US20200399793A1 - Method for operating a semi-automatic or fully automatic, cross-wound package-manufacturing spinning machine - Google Patents
Method for operating a semi-automatic or fully automatic, cross-wound package-manufacturing spinning machine Download PDFInfo
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- US20200399793A1 US20200399793A1 US16/905,302 US202016905302A US2020399793A1 US 20200399793 A1 US20200399793 A1 US 20200399793A1 US 202016905302 A US202016905302 A US 202016905302A US 2020399793 A1 US2020399793 A1 US 2020399793A1
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- Prior art keywords
- workstation
- carried out
- service action
- manual service
- lot
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/42—Control of driving or stopping
- D01H4/44—Control of driving or stopping in rotor spinning
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
- D01H13/18—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material stopping supply only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/06—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making cross-wound packages
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/42—Control of driving or stopping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- the present invention relates to a method for operating a semi-automatic or fully automatic cross-wound package-manufacturing spinning machine, in particular an open-end rotor spinning machine, comprising a plurality of identical, adjacently arranged, at least partially autonomous workstations, wherein each of the workstations comprises a spinning device for manufacturing a thread as well as a winding device comprising a package holder for winding the thread onto a cross-wound package. Once an end of a lot of one of the workstations has been reached, the relevant workstation is stopped.
- the workstations of these spinning machines each comprise a spinning device, for example, an open-end spinning rotor, for manufacturing a thread, a winding device for winding the produced thread onto a cross-wound package, and a plurality of further elements for manufacturing the thread, as well as for handling the manufactured thread and the presented fiber material.
- Essential components for manufacturing the thread are the so-called spinning components, which comprise, in the case of a rotor spinning machine, inter alia, the spinning rotor, the thread take-off nozzle, and the opening roller.
- a problem addressed by the present invention is that of providing a method for operating a spinning machine, as well as a spinning machine, which allows for a preferably fast lot change also at individual workstations. Additional objects and advantages of the invention will be set forth in part in the following description, or may be obvious from the description, or may be leamed through practice of the invention.
- each of the workstations comprises a spinning device for manufacturing a thread as well as a winding device comprising a package holder for winding the thread onto a cross-wound package.
- the particular current lot is indicated at the workstations, in particular being indicated by a color display.
- the operating personnel can quickly recognize which workstations are producing the same yarn lot. This, as well, enables the operating personnel to determine a meaningful sequence for working through manual service actions.
- the operating personnel can more easily monitor the condition and the loading of the particular workstations, i.e., for example, whether the correct fiber material or the correct empty tubes is/are present for the relevant yarn lot.
- the display of the requirement that at least one manual service action be carried out at the workstation that has reached the end of a lot can take place in different ways, in principle.
- the requirement that at least one manual service action be carried out is indicated via an occupancy condition of the package holder of the relevant workstation.
- the occupancy conditions of the package holder can be, for example, “empty”, “loaded”, or “incorrectly loaded”. If there is a discrepancy between the occupancy condition of the package holder and the display of the current lot at the workstation, a requirement that at least one manual service action be carried out is thereby signaled to the operating personnel. In this case, the display of the manual service requirement therefore takes place with the aid of components of the particular workstations themselves.
- a storage position for empty tubes is provided at the workstation, it is also possible, alternatively or additionally, that the requirement that at least one manual service action be carried out is indicated via an occupancy condition of the storage position for empty tubes.
- the occupancy conditions “empty”, “loaded”, or “incorrectly loaded” are conceivable in this case as well. If, for example, there is a discrepancy between the occupancy condition of the storage position, at which an empty tube of the new lot is already situated, and the display of the current, old lot at the workstation, a requirement that at least one manual service action be carried out is thereby signaled to the operating personnel.
- a wound cross-wound package of a current lot is automatically withdrawn at the workstation that has reached the end of the lot and the requirement that at least one manual service action be carried out is indicated via an empty package holder.
- the operating personnel can recognize, on the basis of the empty package holder, that change-over operations for a lot change are to be carried out at this workstation, because a new empty tube of the current lot would otherwise have been automatically installed.
- an empty tube of a new lot is made available in the storage position at the workstation that has reached the end of the lot, and the requirement that at least one manual service action be carried out is indicated via the empty tube made available. Since the package holder has the “empty” occupancy condition at the same time, the operating personnel can recognize that manual service actions are to be carried out at this workstation because the new empty tube would otherwise have already been automatically installed. It is also possible that, although an empty tube of the new lot has been made available in the storage position, the current, old lot is still displayed at the workstation, however. On the basis of this discrepancy as well, the operating personnel can recognize that there is a requirement that at least one manual service action be carried out.
- a wound cross-wound package of a current lot is automatically withdrawn at the workstation that has reached the end of the lot, and an empty tube of a new lot is automatically installed.
- the requirement that at least one manual service action be carried out is indicated via an incorrectly loaded package holder, since the already installed empty sleeve of the new lot does not match the display of the current lot at the workstation.
- the requirement that at least one manual service action be carried out is indicated via a combination of the three different indicators, namely the occupancy condition of the package holder, the occupancy condition of the storage position, and the display of the lot at the workstation.
- the three different indicators namely the occupancy condition of the package holder, the occupancy condition of the storage position, and the display of the lot at the workstation.
- the requirement that at least one manual service action be carried out is indicated by an optical display element, in particular a graphic display, assigned to the workstation.
- an optical display element in particular a graphic display
- the operating personnel does not need to draw inferences from the prevailing combination at the workstation, as in the two aforementioned embodiments, but rather obtains a direct and unambiguous display of the requirement that at least one manual service action be carried out.
- the requirement that at least one manual service action be carried out is indicated merely via a colored light or a certain flashing light, which must be differentiated, of course, from the displays of other conditions at the workstation.
- the optical display element is a graphic display, it can be clearly and unequivocally communicated to the operator, in the form of text or icons, that there is a requirement that at least one manual service action be carried out.
- At least one first manual service action to be carried out is indicated via the display element.
- the operator can find out, by actuating the input device, specifically which manual service action must be carried out.
- the input device is a button of the display.
- the optical display element and the input device are combined in a touchscreen in this case.
- one further manual service action to be carried out is indicated via the display element.
- the operator must therefore confirm that the first manual service action has been carried out and, thereafter, receives a precise indication of which further specific service action is to be carried out. This can also be repeated several times, of course, so that the operator is instructed, step by step, on how to carry out the necessary manual service actions. It is advantageous in this case as well when the confirmation that the particular service action has been carried out takes place with the aid of a button of the graphic display.
- the replacement of the spinning rotor can be specified to the operator as the first service action to be carried out and the replacement of the fiber material can be specified as the second service action.
- the provision of appropriate empty tubes and, if necessary, a replacement of the take-off nozzle can be specified as a further service action to be carried out.
- a replacement of spinning components and/or a replacement of fiber material are/is indicated as a manual service action to be carried out.
- the operating personnel can identify, on the basis of the display “Replace Spinning Components” or “Replace Fiber Material”, that multiple manual service actions are to be carried out and then give preference to handling these particularly complicated workstations.
- first manual service action and/or the further manual service action are/is displayed in the form of a text display and/or in the form of an icon.
- the new lot is displayed in addition to the current lot, in particular being indicated via a color display.
- the operator can recognize, already before the end of the lot has been reached at the particular workstation, that complicated change-over operations are necessary and already obtain all necessary new spinning components, fiber materials, etc.
- the amount of time necessary for the lot change at the workstation can be further reduced as a result.
- the new lot is started at the workstation, preferably being automatically started by the workstation. Due to the manual confirmation, by the operator, that the necessary service actions have been carried out, it can be ensured that all necessary steps have been carried out correctly. Erroneous detections of the type that can occur in the case of automatic queries by a control software are avoided as a result.
- a cross-wound package-manufacturing spinning machine in particular an open-end rotor spinning machine, comprising a plurality of identical, adjacently arranged workstations.
- Each of the workstations comprises a spinning device for manufacturing a thread as well as a winding device comprising a package holder for winding the thread onto a cross-wound package.
- the spinning machine comprises a control device and a display element for implementing the above-described method.
- FIG. 1 shows a front view of a cross-wound package-manufacturing spinning machine in the form of an overview representation
- FIG. 2 shows a schematic side view of a workstation of a cross-wound package-manufacturing spinning machine
- FIG. 3 shows a face representation of an optical display element comprising a first display
- FIGS. 4 through 8 show a face representation of an optical display element comprising various further displays
- FIG. 9 shows a schematic side view of a workstation of a cross-wound package-manufacturing spinning machine comprising a package holder having a first occupancy condition
- FIG. 10 shows a schematic side view of a workstation of a cross-wound package-manufacturing spinning machine comprising a package holder having a second occupancy condition
- FIG. 11 shows a schematic side view of a workstation of a cross-wound package-manufacturing spinning machine comprising a storage position for empty tubes.
- FIG. 1 shows a schematic front view of a cross-wound package-manufacturing spinning machine 1 in an overview representation.
- the spinning machine 1 is designed as an automatic or at least semi-automatic spinning machine 1 and comprises a plurality of identical, adjacently arranged workstations 2 , which are arranged between two end stocks (not described in greater detail here).
- Each of the workstations 2 comprises a feed device for a fiber material 7 , which, in the case of an open-end rotor spinning machine, is designed as an opening roller 8 (see FIG. 1 ).
- each of the workstations 2 comprises a spinning device 3 for manufacturing a thread 6 , a take-off device 9 for withdrawing the produced thread 6 , and a winding device 4 for winding the produced thread 6 onto a cross-wound package 10 .
- the workstations 2 are designed as at least partially autonomous workstations. This means, the individual workstations 2 comprise a plurality of single drives for driving their thread-producing units, so that the individual workstations can also be operated independently of the other workstations 2 of the spinning machine 1 . Moreover, the workstations 2 can automatically eliminate at least a portion of the interferences arising during operation, without the need for a service robot or the intervention by an operator.
- a display element 12 is provided at each of the workstations 2 , which can display, for example, various operating conditions of the workstations 2 or the particular yarn lot being produced.
- one display element 12 is jointly associated with two workstations 2 .
- FIG. 2 shows a workstation 2 of such a spinning machine 1 in a schematic side view.
- the spinning machine 1 is designed as an open-end rotor spinning machine in the present case and therefore comprises an opening roller 8 as a feed device and a spinning rotor 13 as a spinning element of the spinning device 3 .
- the thread 6 produced in the spinning rotor 13 is drawn off via a take-off nozzle 14 and is fed to the winding device 4 .
- the winding device 4 comprises a package holder 5 , in which an empty tube 11 (see FIGS. 9 and 10 ) is accommodated, which can then be wrapped in order to form a cross-wound package 10 .
- a winding roller 19 is provided in the present case for driving the winding device 4 .
- the single drives of the at least partially autonomous workstations 2 as well as further handling units and maintenance units of the workstations 2 are also not represented in FIG. 2 .
- spinning machines 1 comprising at least partially autonomous workstations 2
- a lot change from an old, current yarn lot to a new yarn lot can therefore also be carried out at a single workstation 2 .
- numerous change-over operations are generally necessary after the workstation 2 has been stopped, which include, for example, replacing the presented fiber material 7 as well as a portion of the spinning components, which are formed in this case by the spinning rotor 13 , the opening roller 8 , as well as the take-off nozzle 14 .
- the display of the requirement for a manual service action takes place via an optical display element 12 ( FIG. 1 ), as explained in the following with reference to FIGS. 3 through 8 .
- FIG. 3 shows a face of an optical display element, which is designed as a graphic display 15 in the present case.
- FIG. 3 shows the display 15 including a first display, which shows a regular operating condition of the workstation 2 .
- the particular current lot labeled here with “A”
- the regular operating condition itself is indicated by an icon 16 that is easy to understand.
- an input device 17 Associated with the display element 12 is an input device 17 , with the aid of which the operator can perform inputs and communicate with a control unit (not represented here) of the workstation 2 and/or a central control unit (also not represented here).
- the display 15 and the input device 17 are combined in one component, so that the input device 17 is appropriately formed by various buttons 18 of the display 15 .
- the display 15 comprises, for example, a button 18 for retrieving information. By actuating this button, the operator can enter the menu of the control unit of the workstation 2 and, there, change various settings.
- FIG. 4 shows a face of the display element 12 or the display 15 , via which a requirement that at least one manual service action be carried out is displayed once the end of a lot of the relevant workstation 2 has been reached.
- the current lot is still indicated via the color display 20 .
- the requirement that at least one manual service action be carried out is indicated in the present case by a further icon 16 that is easy to understand. The operating personnel can very quickly recognize, on the basis of this icon, that manual actions are to be carried out at this workstation 2 and, as a result, give preference to working through these workstations 2 and/or better plan the maintenance of the relevant workstations.
- the display of the requirement that at least one manual service action be carried out is designed as a button 18 in the present case, which is recognizable by the frame surrounding the button 18 as well as by the prompt for actuation in the form of the check mark. If the operator actuates this button 18 , he/she receives, in a subsequent display, more precise information regarding which specific maintenance actions are to be carried out.
- FIG. 5 shows one further view of the display 15 , which indicates, to the operator after actuation of the button 18 of the previous display ( FIG. 4 ) or, in the general case, after actuation of the input device 17 , the manual maintenance action to be carried out.
- the task “Check Spinning Components” is indicated in the form of a display text. The operator receives, as a result and, possibly, via subsequent displays, the alert that he/she must check and, possibly, replace the spinning components.
- the same displays can be utilized both for interferences during the regular spinning operation that result in a stoppage of the workstation 2 , as well as in the case of a service requirement due to an impending lot change. It is merely necessary that the requirement that at least one manual service action be carried out be displayed to the operator, who is then guided through the menu and receives, step by step, specific handling instructions. The operator therefore does not need to differentiate between interferences of the regular operation and a lot change and think about which manual service actions he/she must carry out in which case, but rather only needs to follow the sequentially retrievable handling instructions, as explained in the following.
- FIG. 6 a view of a display 15 is represented in FIG. 6 , which indicates, to the operator after actuation of the button 18 of the previous display ( FIG. 4 ), the task “Replace Spinning Components” as a manual service action to be carried out.
- the displays of the manual service actions to be carried out also contain a button 18 , with the aid of which the operator, after having completed the service action, must confirm that the service action was carried out. After the operator has confirmed that the service action has been carried out, one further necessary manual service action can possibly be displayed, the execution of which must also be confirmed by the operator, whereupon a further necessary manual service action is possibly displayed. Once all necessary manual service actions have been carried out and have been confirmed by the operator, the workstation 2 can automatically restart production and start the new lot.
- the necessary service action “Replace Spinning Components” is displayed to the operator via an icon 16 .
- the display of the necessary service action is designed as a button 18 , with the aid of which the operator can directly confirm that the service action has been carried out.
- the current lot is indicated via the color display 20 in this case as well.
- the button 18 for retrieving information is also included. It is conceivable that the operator receives this display after he/she has actuated the button from FIG. 4 .
- the display “Replace Spinning Components” appears directly when the relevant workstation 2 has reached the end of the lot.
- the operating personnel can recognize, at first glance, that the requirement that at least one manual service action be carried out relates to a lot change including a replacement of spinning components and can give preference to handling these workstations 2 .
- This is also advantageous, in particular, for the case in which specially trained personnel are necessary for such a replacement of spinning components. The personnel can therefore immediately recognize whether simple manual service actions are to be carried out or whether a replacement of spinning components, for which the specially trained personnel are necessary, is to be carried out.
- FIGS. 9 through 11 show one further alternative embodiment, in which the requirement that at least one manual service action be carried out is indicated via the occupancy condition of the package holder 5 or the occupancy condition of a storage position 22 for empty tubes 11 .
- FIG. 9 shows a situation, for example, in which the workstation 2 has reached the end of the lot and has already been stopped.
- empty tubes 11 of the new lot have already been made available at the spinning machine 1 .
- the lot change has already been initiated, in that an empty tube 11 of the new lot has been placed into the package holder 5 , as is apparent on the basis of the darkly dotted color of the empty tube.
- the display element 12 still displays the color display 20 of the current lot, which has just ended.
- the installed empty tube 11 therefore does not match the displayed lot, and so the package holder 5 has the condition “incorrect load”.
- the operating personnel can therefore recognize, on the basis of the stopped workstation 2 as well as the incorrect load of the package holder, that a lot change is due and manual actions are to be carried out.
- the workstation 2 is shown in FIG. 10 after the end of the lot has been reached and the workstation 2 has been stopped.
- a new empty tube 11 has not yet been installed, however.
- the package holder 5 therefore has the occupancy condition “empty”.
- the operating personnel can recognize, on the basis of the occupancy condition “empty” as well as the display of the current lot, that a lot change is due and manual actions are to be carried out.
- FIG. 11 shows a workstation 2 , which additionally comprises a storage position for empty tubes 11 , wherein the requirement that at least one manual service action be carried out is indicated via the empty tube 11 made available.
- the workstation 2 has reached the end of the lot in this case and has already been stopped.
- empty tubes 11 of the new lot have already been made available at the spinning machine 1 .
- the lot change has already been initiated, in that an empty tube 11 of the new lot (darkly dotted color) has been made available in the storage position 22 , but has not yet been placed into the package holder 5 .
- the package holder 5 therefore has the occupancy condition “empty”.
- the operating personnel can therefore recognize, on the basis of the empty tube made available and the occupancy condition “empty”, that a lot change is due and manual actions are to be carried out.
- the color display 20 of the current lot which has just ended, is additionally displayed by the display element 12 .
- the empty tube 11 made available in the storage position 22 therefore does not match the displayed lot, on the basis of which the operating personnel can also recognize that a lot change is due and manual actions are to be carried out.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Abstract
Description
- The present invention relates to a method for operating a semi-automatic or fully automatic cross-wound package-manufacturing spinning machine, in particular an open-end rotor spinning machine, comprising a plurality of identical, adjacently arranged, at least partially autonomous workstations, wherein each of the workstations comprises a spinning device for manufacturing a thread as well as a winding device comprising a package holder for winding the thread onto a cross-wound package. Once an end of a lot of one of the workstations has been reached, the relevant workstation is stopped.
- Semi-automatic or fully automatic spinning machines are known from the prior art in various embodiments. The workstations of these spinning machines each comprise a spinning device, for example, an open-end spinning rotor, for manufacturing a thread, a winding device for winding the produced thread onto a cross-wound package, and a plurality of further elements for manufacturing the thread, as well as for handling the manufactured thread and the presented fiber material. Essential components for manufacturing the thread are the so-called spinning components, which comprise, in the case of a rotor spinning machine, inter alia, the spinning rotor, the thread take-off nozzle, and the opening roller.
- If a so-called lot change, i.e., a yarn having properties other than those produced so far, is to be carried out at a spinning machine and/or at a single workstation, numerous change-over operations are necessary at the individual workstations. In the simplest case, all that is necessary is for other empty tubes to be made available and for a few operating parameters of the spinning machine and/or the workstation to be changed. Generally, however, the presented fiber material, and at least a few of the aforementioned spinning elements must also be replaced by an operator.
- In the case of centrally driven spinning machines, it is always necessary to carry out the lot change simultaneously at all jointly driven workstations. By comparison, in the case of spinning machines comprising so-called at least partially autonomous workstations, which can automatically carry out a majority of the necessary service actions with the aid of operating elements arranged on the workstation, it is also possible to manufacture different yarn lots at the individual workstations. In any case, however, the change-over of the workstations to the new lot requires a considerable amount of time, which results in longer downtimes of the workstations and productivity losses associated therewith.
- In order to reduce the amount of time necessary for servicing multiple workstations and/or for the change-over of the workstations during a lot change, it was provided in
DE 10 2004 044 551 A1 to divide the particular necessary service action into working steps to be carried out manually and mechanically. In this way, the operator can perform the working steps to be carried out manually at workstations that have already been stopped, while, in parallel thereto, an automatic maintenance device carries out the working steps to be carried out mechanically. In the case of a centrally driven spinning machine, in which the lot change is carried out at a plurality of workstations at the same time, a considerable amount of time can be saved as a result. - Moreover, it is known from DE 10 2014 018 628 A1 to arrange an LED light bar at each of the workstations of a spinning machine. The light bar indicates the particular manufactured yarn lot and/or operating conditions at the particular workstation. As a result, the operating personnel can quickly recognize which workstations are producing the same yarn lot on a spinning machine loaded with multiple lots, on which multiple yarn lots are manufactured at the same time. The operating personnel can also recognize, on the basis of the different-colored LED lights, which problem exists at which workstation and, on the basis thereof, determine an advantageous sequence for working through the problems.
- A problem addressed by the present invention is that of providing a method for operating a spinning machine, as well as a spinning machine, which allows for a preferably fast lot change also at individual workstations. Additional objects and advantages of the invention will be set forth in part in the following description, or may be obvious from the description, or may be leamed through practice of the invention.
- The problem is solved by a method having the features described and claimed herein.
- In the method for operating a semi-automatic or fully automatic, cross-wound package-manufacturing spinning machine, in particular an open-end rotor spinning machine, comprising a plurality of identical, adjacently arranged workstations, each of the workstations comprises a spinning device for manufacturing a thread as well as a winding device comprising a package holder for winding the thread onto a cross-wound package. Once an end of a lot of one of the workstations has been reached, the relevant workstation is stopped.
- It is provided that a requirement that at least one manual service action be carried out is displayed at the workstation that has reached the end of a lot. As a result, the operating personnel can very quickly recognize at which workstations manual actions are necessary and can therefore quickly and preferentially work through these. Therefore, the workstations that must be changed over for a lot change can also be worked through very quickly by the operator. As a result, the workstations can quickly restart their production and downtimes of the relevant workstations can be kept short.
- It is also advantageous when the particular current lot is indicated at the workstations, in particular being indicated by a color display. As a result, the operating personnel can quickly recognize which workstations are producing the same yarn lot. This, as well, enables the operating personnel to determine a meaningful sequence for working through manual service actions. In addition, as a result, the operating personnel can more easily monitor the condition and the loading of the particular workstations, i.e., for example, whether the correct fiber material or the correct empty tubes is/are present for the relevant yarn lot.
- The display of the requirement that at least one manual service action be carried out at the workstation that has reached the end of a lot can take place in different ways, in principle.
- For example, according to a first embodiment of the method, the requirement that at least one manual service action be carried out is indicated via an occupancy condition of the package holder of the relevant workstation. The occupancy conditions of the package holder can be, for example, “empty”, “loaded”, or “incorrectly loaded”. If there is a discrepancy between the occupancy condition of the package holder and the display of the current lot at the workstation, a requirement that at least one manual service action be carried out is thereby signaled to the operating personnel. In this case, the display of the manual service requirement therefore takes place with the aid of components of the particular workstations themselves.
- If a storage position for empty tubes is provided at the workstation, it is also possible, alternatively or additionally, that the requirement that at least one manual service action be carried out is indicated via an occupancy condition of the storage position for empty tubes. The occupancy conditions “empty”, “loaded”, or “incorrectly loaded” are conceivable in this case as well. If, for example, there is a discrepancy between the occupancy condition of the storage position, at which an empty tube of the new lot is already situated, and the display of the current, old lot at the workstation, a requirement that at least one manual service action be carried out is thereby signaled to the operating personnel.
- For example, a wound cross-wound package of a current lot is automatically withdrawn at the workstation that has reached the end of the lot and the requirement that at least one manual service action be carried out is indicated via an empty package holder. The operating personnel can recognize, on the basis of the empty package holder, that change-over operations for a lot change are to be carried out at this workstation, because a new empty tube of the current lot would otherwise have been automatically installed.
- It is also possible that an empty tube of a new lot is made available in the storage position at the workstation that has reached the end of the lot, and the requirement that at least one manual service action be carried out is indicated via the empty tube made available. Since the package holder has the “empty” occupancy condition at the same time, the operating personnel can recognize that manual service actions are to be carried out at this workstation because the new empty tube would otherwise have already been automatically installed. It is also possible that, although an empty tube of the new lot has been made available in the storage position, the current, old lot is still displayed at the workstation, however. On the basis of this discrepancy as well, the operating personnel can recognize that there is a requirement that at least one manual service action be carried out.
- According to another embodiment, a wound cross-wound package of a current lot is automatically withdrawn at the workstation that has reached the end of the lot, and an empty tube of a new lot is automatically installed. In this case, the requirement that at least one manual service action be carried out is indicated via an incorrectly loaded package holder, since the already installed empty sleeve of the new lot does not match the display of the current lot at the workstation.
- It is also possible, of course, that the requirement that at least one manual service action be carried out is indicated via a combination of the three different indicators, namely the occupancy condition of the package holder, the occupancy condition of the storage position, and the display of the lot at the workstation. Various combinations are possible here.
- According to another embodiment of the method, the requirement that at least one manual service action be carried out is indicated by an optical display element, in particular a graphic display, assigned to the workstation. As a result, the operating personnel does not need to draw inferences from the prevailing combination at the workstation, as in the two aforementioned embodiments, but rather obtains a direct and unambiguous display of the requirement that at least one manual service action be carried out. It is conceivable that the requirement that at least one manual service action be carried out is indicated merely via a colored light or a certain flashing light, which must be differentiated, of course, from the displays of other conditions at the workstation. As a result, the operating personnel must know exactly what the meaning is of the different colors and/or flashing signals, in order to be able to assign to these the different conditions at the workstation. By comparison, if the optical display element is a graphic display, it can be clearly and unequivocally communicated to the operator, in the form of text or icons, that there is a requirement that at least one manual service action be carried out.
- Particular advantages therefore also result when the requirement that at least one manual service action be carried out is displayed in the form of an icon. These types of icons can be easily understood regardless of the language of the operator.
- It is also advantageous when, after actuation of an input device associated with the display element, at least one first manual service action to be carried out is indicated via the display element. As a result, the operator can find out, by actuating the input device, specifically which manual service action must be carried out. It is advantageous when the input device is a button of the display. The optical display element and the input device are combined in a touchscreen in this case.
- Moreover, it is advantageous when, after the operator has confirmed that the first manual service action has been carried out, one further manual service action to be carried out is indicated via the display element. The operator must therefore confirm that the first manual service action has been carried out and, thereafter, receives a precise indication of which further specific service action is to be carried out. This can also be repeated several times, of course, so that the operator is instructed, step by step, on how to carry out the necessary manual service actions. It is advantageous in this case as well when the confirmation that the particular service action has been carried out takes place with the aid of a button of the graphic display.
- For example, the replacement of the spinning rotor can be specified to the operator as the first service action to be carried out and the replacement of the fiber material can be specified as the second service action. The provision of appropriate empty tubes and, if necessary, a replacement of the take-off nozzle can be specified as a further service action to be carried out.
- According to one alternative embodiment of the method, a replacement of spinning components and/or a replacement of fiber material are/is indicated as a manual service action to be carried out. The operating personnel can identify, on the basis of the display “Replace Spinning Components” or “Replace Fiber Material”, that multiple manual service actions are to be carried out and then give preference to handling these particularly complicated workstations.
- In order to display the particularly high amount of change-over effort necessary in the case of a replacement of spinning components to the operating personnel as early and quickly as possible, it can therefore also be advantageous, in deviation from the present invention, to indicate the replacement of spinning components directly as a requirement that at least one manual service action be carried out. This means that the operating personnel can already recognize that complicated change-over operations are necessary while walking past and without actuating the input device.
- Particular advantages result when the first manual service action and/or the further manual service action are/is displayed in the form of a text display and/or in the form of an icon.
- Moreover, it is advantageous when, in the case of an impending lot change at the relevant workstation, the new lot is displayed in addition to the current lot, in particular being indicated via a color display. As a result, the operator can recognize, already before the end of the lot has been reached at the particular workstation, that complicated change-over operations are necessary and already obtain all necessary new spinning components, fiber materials, etc. The amount of time necessary for the lot change at the workstation can be further reduced as a result.
- Finally, it is advantageous when, after the operator has confirmed that the first service action and/or the at least one further manual service action have/has been carried out, the new lot is started at the workstation, preferably being automatically started by the workstation. Due to the manual confirmation, by the operator, that the necessary service actions have been carried out, it can be ensured that all necessary steps have been carried out correctly. Erroneous detections of the type that can occur in the case of automatic queries by a control software are avoided as a result.
- Moreover, a cross-wound package-manufacturing spinning machine, in particular an open-end rotor spinning machine, comprising a plurality of identical, adjacently arranged workstations is claimed. Each of the workstations comprises a spinning device for manufacturing a thread as well as a winding device comprising a package holder for winding the thread onto a cross-wound package. Moreover, the spinning machine comprises a control device and a display element for implementing the above-described method.
- Further advantages of the invention are described in the following exemplary embodiments. Wherein:
-
FIG. 1 shows a front view of a cross-wound package-manufacturing spinning machine in the form of an overview representation, -
FIG. 2 shows a schematic side view of a workstation of a cross-wound package-manufacturing spinning machine, -
FIG. 3 shows a face representation of an optical display element comprising a first display, -
FIGS. 4 through 8 show a face representation of an optical display element comprising various further displays, -
FIG. 9 shows a schematic side view of a workstation of a cross-wound package-manufacturing spinning machine comprising a package holder having a first occupancy condition, -
FIG. 10 shows a schematic side view of a workstation of a cross-wound package-manufacturing spinning machine comprising a package holder having a second occupancy condition, and -
FIG. 11 shows a schematic side view of a workstation of a cross-wound package-manufacturing spinning machine comprising a storage position for empty tubes. - Reference will now be made to embodiments of the invention, one or more examples of which are shown in the drawings. Each embodiment is provided by way of explanation of the invention, and not as a limitation of the invention. For example features illustrated or described as part of one embodiment can be combined with another embodiment to yield still another embodiment. It is intended that the present invention include these and other modifications and variations to the embodiments described herein.
- In the following description of the figures, the same reference numbers are utilized for features that are identical or at least comparable in each of the individual embodiments or the individual figures. Some of the features are therefore explained only upon the first mention thereof or only once with reference to a suitable figure. Provided these features are not explained once more separately in connection with the further features, their design and/or mode of operation correspond(s) to the design and mode of operation of the identical or comparable, described features. For the sake of clarity, in the case of multiple identical features or components in a figure, only one feature or only a few of these identical features is/are labeled.
-
FIG. 1 shows a schematic front view of a cross-wound package-manufacturing spinning machine 1 in an overview representation. The spinningmachine 1 is designed as an automatic or at leastsemi-automatic spinning machine 1 and comprises a plurality of identical, adjacently arrangedworkstations 2, which are arranged between two end stocks (not described in greater detail here). Each of theworkstations 2 comprises a feed device for afiber material 7, which, in the case of an open-end rotor spinning machine, is designed as an opening roller 8 (seeFIG. 1 ). Moreover, each of theworkstations 2 comprises aspinning device 3 for manufacturing athread 6, a take-off device 9 for withdrawing the producedthread 6, and a windingdevice 4 for winding the producedthread 6 onto across-wound package 10. Theworkstations 2 are designed as at least partially autonomous workstations. This means, theindividual workstations 2 comprise a plurality of single drives for driving their thread-producing units, so that the individual workstations can also be operated independently of theother workstations 2 of the spinningmachine 1. Moreover, theworkstations 2 can automatically eliminate at least a portion of the interferences arising during operation, without the need for a service robot or the intervention by an operator. Therefore, further components (not represented here), such as handling units and maintenance units, are arranged at theworkstations 2. Moreover, adisplay element 12 is provided at each of theworkstations 2, which can display, for example, various operating conditions of theworkstations 2 or the particular yarn lot being produced. As an alternative to the representation shown, it is also conceivable that onedisplay element 12 is jointly associated with twoworkstations 2. -
FIG. 2 shows aworkstation 2 of such aspinning machine 1 in a schematic side view. The spinningmachine 1 is designed as an open-end rotor spinning machine in the present case and therefore comprises an opening roller 8 as a feed device and a spinningrotor 13 as a spinning element of thespinning device 3. Thethread 6 produced in the spinningrotor 13 is drawn off via a take-offnozzle 14 and is fed to the windingdevice 4. The windingdevice 4 comprises apackage holder 5, in which an empty tube 11 (seeFIGS. 9 and 10 ) is accommodated, which can then be wrapped in order to form across-wound package 10. A windingroller 19 is provided in the present case for driving the windingdevice 4. The single drives of the at least partiallyautonomous workstations 2 as well as further handling units and maintenance units of theworkstations 2 are also not represented inFIG. 2 . - On these types of
spinning machines 1 comprising at least partiallyautonomous workstations 2, it is possible to manufacture multiple yarn lots simultaneously atvarious workstations 2. A lot change from an old, current yarn lot to a new yarn lot can therefore also be carried out at asingle workstation 2. In order to carry out a lot change, numerous change-over operations are generally necessary after theworkstation 2 has been stopped, which include, for example, replacing the presentedfiber material 7 as well as a portion of the spinning components, which are formed in this case by the spinningrotor 13, the opening roller 8, as well as the take-offnozzle 14. Moreover, it is usually also necessary to provide other empty tubes 11 (seeFIGS. 9 and 10 ). In order to keep the downtimes and the associated losses of production as low as possible for theworkstations 2 intended for a lot change, it is provided that a requirement that at least one manual service action be carried out is displayed at aworkstation 2 that has reached the end of a lot. - Preferably, the display of the requirement for a manual service action takes place via an optical display element 12 (
FIG. 1 ), as explained in the following with reference toFIGS. 3 through 8 . Alternatively, it is also possible, however, to indicate the requirement that at least one manual service action be carried out via an occupancy condition of thepackage holder 5, as described with reference toFIGS. 9 and 10 . -
FIG. 3 shows a face of an optical display element, which is designed as agraphic display 15 in the present case.FIG. 3 shows thedisplay 15 including a first display, which shows a regular operating condition of theworkstation 2. In this regular operating condition, the particular current lot, labeled here with “A”, is indicated by a color display 20 (represented here lightly dotted). Moreover, the regular operating condition itself is indicated by anicon 16 that is easy to understand. Associated with thedisplay element 12 is aninput device 17, with the aid of which the operator can perform inputs and communicate with a control unit (not represented here) of theworkstation 2 and/or a central control unit (also not represented here). In the present case, thedisplay 15 and theinput device 17 are combined in one component, so that theinput device 17 is appropriately formed byvarious buttons 18 of thedisplay 15. In the display shown here, thedisplay 15 comprises, for example, abutton 18 for retrieving information. By actuating this button, the operator can enter the menu of the control unit of theworkstation 2 and, there, change various settings. - By comparison,
FIG. 4 shows a face of thedisplay element 12 or thedisplay 15, via which a requirement that at least one manual service action be carried out is displayed once the end of a lot of therelevant workstation 2 has been reached. The current lot is still indicated via thecolor display 20. The requirement that at least one manual service action be carried out is indicated in the present case by afurther icon 16 that is easy to understand. The operating personnel can very quickly recognize, on the basis of this icon, that manual actions are to be carried out at thisworkstation 2 and, as a result, give preference to working through theseworkstations 2 and/or better plan the maintenance of the relevant workstations. The display of the requirement that at least one manual service action be carried out is designed as abutton 18 in the present case, which is recognizable by the frame surrounding thebutton 18 as well as by the prompt for actuation in the form of the check mark. If the operator actuates thisbutton 18, he/she receives, in a subsequent display, more precise information regarding which specific maintenance actions are to be carried out. -
FIG. 5 shows one further view of thedisplay 15, which indicates, to the operator after actuation of thebutton 18 of the previous display (FIG. 4 ) or, in the general case, after actuation of theinput device 17, the manual maintenance action to be carried out. In the present case, the task “Check Spinning Components” is indicated in the form of a display text. The operator receives, as a result and, possibly, via subsequent displays, the alert that he/she must check and, possibly, replace the spinning components. - It is advantageous that the same displays can be utilized both for interferences during the regular spinning operation that result in a stoppage of the
workstation 2, as well as in the case of a service requirement due to an impending lot change. It is merely necessary that the requirement that at least one manual service action be carried out be displayed to the operator, who is then guided through the menu and receives, step by step, specific handling instructions. The operator therefore does not need to differentiate between interferences of the regular operation and a lot change and think about which manual service actions he/she must carry out in which case, but rather only needs to follow the sequentially retrievable handling instructions, as explained in the following. - It would also be conceivable, of course, not to indicate the manual service action to be carried out in the form of a display text, as in
FIG. 5 , but rather via an icon in this case as well. For example, a view of adisplay 15 is represented inFIG. 6 , which indicates, to the operator after actuation of thebutton 18 of the previous display (FIG. 4 ), the task “Replace Spinning Components” as a manual service action to be carried out. - The displays of the manual service actions to be carried out (
FIGS. 5 and 6 ) also contain abutton 18, with the aid of which the operator, after having completed the service action, must confirm that the service action was carried out. After the operator has confirmed that the service action has been carried out, one further necessary manual service action can possibly be displayed, the execution of which must also be confirmed by the operator, whereupon a further necessary manual service action is possibly displayed. Once all necessary manual service actions have been carried out and have been confirmed by the operator, theworkstation 2 can automatically restart production and start the new lot. - Since the replacement of spinning components in the case of a lot change is time-consuming, it can also be advantageous to display the necessary replacement of spinning components directly to the operator. This is represented in the display from
FIG. 7 . The necessary service action “Replace Spinning Components” is displayed to the operator via anicon 16. The display of the necessary service action is designed as abutton 18, with the aid of which the operator can directly confirm that the service action has been carried out. Moreover, in thedisplay 15, the current lot is indicated via thecolor display 20 in this case as well. Thebutton 18 for retrieving information is also included. It is conceivable that the operator receives this display after he/she has actuated the button fromFIG. 4 . - Alternatively, it is also possible, however, that the display “Replace Spinning Components” appears directly when the
relevant workstation 2 has reached the end of the lot. As a result, the operating personnel can recognize, at first glance, that the requirement that at least one manual service action be carried out relates to a lot change including a replacement of spinning components and can give preference to handling theseworkstations 2. This is also advantageous, in particular, for the case in which specially trained personnel are necessary for such a replacement of spinning components. The personnel can therefore immediately recognize whether simple manual service actions are to be carried out or whether a replacement of spinning components, for which the specially trained personnel are necessary, is to be carried out. - In order to further reduce the amount of time necessary for the change-over of the
workstations 2 in the case of a lot change, it can also be advantageous to display, in advance, that a lot change is due at therelevant workstation 2. This is represented in the display fromFIG. 8 . Theworkstation 2 is still in regular operation, which is apparent on the basis of theicon 16. As is the case inFIG. 4 , thebutton 18 for retrieving information is also apparent. In the upper area of thedisplay 15, however, in contrast to the representation fromFIG. 4 , thecolor display 21 of the new lot (darkly dotted and labeled with “B”) is also apparent, in addition to thecolor display 20 of the current lot (lightly dotted and labeled with “A”). As a result, the operator can already obtain all necessary spinning components and the like, and, once the lot has ended, which is apparent via the display according toFIG. 4 or 7 , replace the spinning components and carry out all other necessary steps. - Finally,
FIGS. 9 through 11 show one further alternative embodiment, in which the requirement that at least one manual service action be carried out is indicated via the occupancy condition of thepackage holder 5 or the occupancy condition of astorage position 22 forempty tubes 11. -
FIG. 9 shows a situation, for example, in which theworkstation 2 has reached the end of the lot and has already been stopped. In this case,empty tubes 11 of the new lot have already been made available at the spinningmachine 1. Moreover, with the aid of the control unit of theworkstation 2 and/or the spinningmachine 1, the lot change has already been initiated, in that anempty tube 11 of the new lot has been placed into thepackage holder 5, as is apparent on the basis of the darkly dotted color of the empty tube. Thedisplay element 12, however, still displays thecolor display 20 of the current lot, which has just ended. The installedempty tube 11 therefore does not match the displayed lot, and so thepackage holder 5 has the condition “incorrect load”. The operating personnel can therefore recognize, on the basis of the stoppedworkstation 2 as well as the incorrect load of the package holder, that a lot change is due and manual actions are to be carried out. - Similarly, the
workstation 2 is shown inFIG. 10 after the end of the lot has been reached and theworkstation 2 has been stopped. A newempty tube 11 has not yet been installed, however. Thepackage holder 5 therefore has the occupancy condition “empty”. The operating personnel can recognize, on the basis of the occupancy condition “empty” as well as the display of the current lot, that a lot change is due and manual actions are to be carried out. -
FIG. 11 shows aworkstation 2, which additionally comprises a storage position forempty tubes 11, wherein the requirement that at least one manual service action be carried out is indicated via theempty tube 11 made available. Theworkstation 2 has reached the end of the lot in this case and has already been stopped. As is also the case inFIG. 9 ,empty tubes 11 of the new lot have already been made available at the spinningmachine 1. With the aid of the control unit of theworkstation 2 and/or the spinningmachine 1, the lot change has already been initiated, in that anempty tube 11 of the new lot (darkly dotted color) has been made available in thestorage position 22, but has not yet been placed into thepackage holder 5. Thepackage holder 5 therefore has the occupancy condition “empty”. The operating personnel can therefore recognize, on the basis of the empty tube made available and the occupancy condition “empty”, that a lot change is due and manual actions are to be carried out. - In the present case, the
color display 20 of the current lot, which has just ended, is additionally displayed by thedisplay element 12. Theempty tube 11 made available in thestorage position 22 therefore does not match the displayed lot, on the basis of which the operating personnel can also recognize that a lot change is due and manual actions are to be carried out. - The invention is not limited to the exemplary embodiments which have been represented. Modifications within the scope of the claims are also possible, as is any combination of the features, even if they are represented and described in different exemplary embodiments.
-
- 1 spinning machine
- 2 workstation
- 3 spinning device
- 4 winding device
- 5 package holder
- 6 thread
- 7 fiber material
- 8 opening roller
- 9 take-off device
- 10 cross-wound package
- 11 empty tube
- 12 display element
- 13 spinning rotor
- 14 take-off nozzle
- 15 display
- 16 icon
- 17 input device
- 18 button
- 19 winding roller
- 20 color display of the current lot
- 21 color display of the new lot
- 22 storage position
Claims (16)
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DE102019116646.2 | 2019-06-19 | ||
DE102019116646.2A DE102019116646A1 (en) | 2019-06-19 | 2019-06-19 | Method for operating a partially or fully automatic spinning machine that produces cross-wound bobbins |
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US20200399793A1 true US20200399793A1 (en) | 2020-12-24 |
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US16/905,302 Abandoned US20200399793A1 (en) | 2019-06-19 | 2020-06-18 | Method for operating a semi-automatic or fully automatic, cross-wound package-manufacturing spinning machine |
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EP (1) | EP3757264A1 (en) |
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DE102020129172A1 (en) | 2020-11-05 | 2022-05-05 | Maschinenfabrik Rieter Ag | Process for maintaining at least one work station of a spinning machine |
DE102020134251A1 (en) | 2020-12-18 | 2022-06-23 | Maschinenfabrik Rieter Ag | Method for operating a partially or fully automatic spinning machine, in particular an open-end rotor spinning machine, and spinning machine |
DE102021127096A1 (en) | 2021-10-19 | 2023-04-20 | Maschinenfabrik Rieter Ag | Cross-bobbin-producing textile machine with a large number of similar work stations arranged next to one another and an operating device that can be moved along the work stations, as well as a method for operating such a cross-bobbin-producing textile machine |
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DE19648215A1 (en) * | 1996-11-21 | 1998-06-18 | Schlafhorst & Co W | Open end spinning batch change |
JPH11107075A (en) * | 1997-10-02 | 1999-04-20 | Murata Mach Ltd | Machine stage control system in fiber machinery |
DE19930714C5 (en) * | 1999-07-02 | 2015-04-09 | Rieter Ingolstadt Gmbh | Textile machine with a variety of similar jobs |
DE10142976A1 (en) * | 2001-09-01 | 2003-03-20 | Rieter Ingolstadt Spinnerei | Control of textile plant with several multi-position machines and service units involves communication of control parameters between memory devices |
DE102004044551B4 (en) * | 2004-09-15 | 2017-08-31 | Rieter Ingolstadt Gmbh | Method for operating a spinning machine and spinning machine for carrying out this method |
US7697850B2 (en) * | 2005-10-31 | 2010-04-13 | Infoprint Solutions Company, Llc | Image-based printer system monitoring |
DE102006014475A1 (en) * | 2006-03-29 | 2007-10-04 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Procedure for controlling a spinning preparation machine e.g. carding engine, drawing frame/rotor spinning machine, by determining input variables of a control device of the spinning machine so that parameter of the machine is optimized |
DE102006045237A1 (en) * | 2006-09-26 | 2008-04-03 | Oerlikon Textile Gmbh & Co. Kg | Winding machine comprises multiple winding points operated independently, and winding point calculator is provided, which is assigned to winding points |
DE102008056288A1 (en) * | 2008-11-08 | 2010-05-12 | Oerlikon Textile Gmbh & Co. Kg | Method for operating an open-end spinning machine and open-end spinning machine |
JP2011037572A (en) * | 2009-08-10 | 2011-02-24 | Murata Machinery Ltd | Spinning machine |
DE102010044901A1 (en) * | 2010-09-09 | 2012-03-15 | Oerlikon Textile Gmbh & Co. Kg | A method of operating a cheese-producing textile machine and cheese-producing textile machine |
DE102013001599A1 (en) * | 2013-01-30 | 2014-07-31 | Saurer Germany Gmbh & Co. Kg | Method for optimizing a lot change on an open-end spinning machine |
DE102014008814A1 (en) * | 2014-06-11 | 2015-12-17 | Saurer Germany Gmbh & Co. Kg | Semiautomatic open-end rotor spinning machine |
DE102014008802A1 (en) * | 2014-06-11 | 2015-12-17 | Saurer Germany Gmbh & Co. Kg | Semiautomatic open-end rotor spinning machine |
DE102014018628A1 (en) * | 2014-12-13 | 2016-06-16 | Saurer Germany Gmbh & Co. Kg | Multi-position textile machine |
DE102015106470A1 (en) * | 2015-04-27 | 2016-10-27 | Maschinenfabrik Rieter Ag | Method for operating a workstation of a textile machine and operating device |
DE102015012214A1 (en) * | 2015-09-17 | 2017-03-23 | Saurer Germany Gmbh & Co. Kg | A method of adjusting a factory design of an open end rotor spinning machine that concerns a yarn lot production |
DE102015014429A1 (en) * | 2015-11-10 | 2017-05-11 | Saurer Germany Gmbh & Co. Kg | Method for operating a cheese-producing textile machine |
DE102017105700A1 (en) * | 2017-03-16 | 2018-09-20 | Maschinenfabrik Rieter Ag | Textile machine with a variety of spinning or winding units and a method for operating the textile machine |
DE102018100362A1 (en) * | 2018-01-09 | 2019-07-11 | Maschinenfabrik Rieter Ag | Method for controlling displays of a spinning or winding machine |
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- 2020-06-18 US US16/905,302 patent/US20200399793A1/en not_active Abandoned
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CN112111815B (en) | 2023-11-07 |
JP2021008699A (en) | 2021-01-28 |
CN112111815A (en) | 2020-12-22 |
EP3757264A1 (en) | 2020-12-30 |
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