CN102601588B - Processing technology for high-speed abrasion-resistant metal groove drums - Google Patents
Processing technology for high-speed abrasion-resistant metal groove drums Download PDFInfo
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- CN102601588B CN102601588B CN201210085110.3A CN201210085110A CN102601588B CN 102601588 B CN102601588 B CN 102601588B CN 201210085110 A CN201210085110 A CN 201210085110A CN 102601588 B CN102601588 B CN 102601588B
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Abstract
The invention relates to the technical field of critical components of bobbin winders, in particular to processing technology for high-speed abrasion-resistant metal groove drums. The processing technology for groove drums includes lathing an outer circle of an inner hole; drilling a positioning pin hole; milling a yarn guiding groove; polishing the yarn guiding groove; performing surface strengthening treatment; and realizing integral dynamic balance. The processing technology is characterized in that the yarn guiding groove is milled by a numerical control machining method, a semi-finished blank of a groove drum needs to be fixedly clamped before the yarn guiding groove is machined, and then is machined, and a numerical control machining programming process for milling the yarn guiding groove includes determining milling parameters at first; setting machining coordinates; selecting tools; machining the blank; carrying out cutting simulation; determining a correct tool position track; and selecting a proper postprocessor to output a machining program after machining simulation is proved to be correct. On the basis of research of design features and structural characteristics of the groove drum, the numerical control machining method is adopted, production efficiency is improved on the premise that machining quality is guaranteed, and batch production and matching of the groove drums and the bobbin winders are realized.
Description
Technical field
The present invention relates to automatic winder critical component technical field, especially a kind of high-speed abrasion-proof metal drum processing technology.
Background technology
The groove drum assembling on the at present domestic 1332M generally using and 1332MD type grooved drum type spooler is hard bakelite and suppresses the bakelite drum forming.There are No.6 Plastic Plant, Qingdao, Wuxi bakelite part factory in main bakelite drum manufacturer of China, also have Dandong, Shanghai Deng Di producer.Bakelite drum has cylindrical and taper, 2 circles and 2 circle half common phenoplasts groove drum and antistatic phenoplasts groove drums.Bakelite drum low price, technique is simple, but this groove drum has 3 shortcomings: 1) wearability is very poor, and yarn is easy to cause groove drum wear out failure to the friction of groove drum, therefore the life-span of this groove drum shorter, be about 2-3; 2) power consumption is large, and because this groove drum is solid groove drum, quality is large, so energy consumption is large while startup, is about more than 2 times of aluminium alloy groove drum; 3) electrostatic effect is large, the frictional drive of groove drum produces a very large impact filoplume, bakelite drum easily produces static in winding process, cause yarn fluffing, balling-up, fracture, be unfavorable for improving yarn qualities, especially in the time of network ramie yarn and thread, the groove drum of high speed rotary is when with thread friction, produce very strong static and be not easy and dissipate, when the static focus on groove drum is to a certain extent time, can disturb the normal characteristics of motion of yarn, cause filoplume amount to increase, tube forming is bad, when serious, can cause electrostatic fire.This shortcoming has seriously restricted the use of bakelite drum.
China's textile industry increases 2000 ~ 3000 of automatic winders every year newly, and due to the increase of Chinese labour force resource and labour's recruitment cost, and international market is more and more higher to the quality requirement of cotton yarn, and therefore, the utilization of automatic winder is just more general.And high-speed abrasion-proof metal drum is automatic winder critical component, directly have influence on automatic winder winding speed and yarn qualities.
At present, high-speed abrasion-proof metal drum mainly contains the company monopolizings such as Japanese MURATA, Japanese MINO, Italian savio, German schlafhorst, and the domestic matured product that there is no is matched in automatic winder in batches.
Groove drum part belongs to flute profile conical cam, also claims space cam.It is particularly suitable at a high speed, the motion occasion of high duplication and reliability requirement.On the 21C automatic winder of field, village, be equipped with the compound groove groove drum of PAC21 type of field, village machinery independent research, the combination of it and VOS (visual intelligent master control computer system) is the crystallization of the advanced experience that obtains at coiling technology, sensor technology and intelligent numerical control technical elements for many years of field, village machinery, the design principle of this groove drum be exactly be easy to produce roll of strip around diameter place switch groove drum groove and successfully improve the high-speed unwinding of cylinder yarn, and be not subject to the restriction of yarn count, kind and winding form.
In bobbin winding process, guide motion directly affects the overlapping and stability of yarn circle curve on bobbin of winding speed, doff tension force, Winding Density of Cheese, yarn circle etc.Conventionally, the groove drum wire groove curve of automatic winder has directly determined guide motion, and therefore, the design of guide groove is the important step in groove drum design, and its design is very crucial.
Summary of the invention
In order to overcome the deficiency of existing technology, the invention provides a kind of high-speed abrasion-proof metal drum processing technology.
The technical solution adopted for the present invention to solve the technical problems is: a kind of processing technology of high-speed abrasion-proof metal drum, its processing sequence is as follows: the polishing → surface Hardening Treatment → overall dynamic balancing of car inner hole outer circularity → brill dowel hole → milling guide wire casing → guide groove, it is characterized in that, described milling guide wire casing adopts numerical-control processing method, before processing guide wire casing, need carry out clamping to the semi-finished product blank of groove drum fixes, the semi-finished product blank clamping method of groove drum is as follows: the semi-finished product blank of groove drum has processed Internal and external cycle, trip bolt hole and dowel hole, groove drum is carried out to the restriction of six-freedom degree, employing groove drum inner cylinder face and radially pin hole are positioning datum, axle and alignment pin are as setting element, four free degree Y of axle restriction, the movement of Z axis and rotation, movement and the rotation of two free degree X-axis of alignment pin restriction, realize location, after process, described milling guide wire casing NC Machining Program process is as follows: first determine Milling Parameters, set machining coordinate, choose cutter, for the finish-milling wire casing profile different with rough milling wire casing, carry out cutting simulation, determine that Path is correct, after machining simulation is errorless, select suitable preprocessor output procedure, carry out digital control processing.
According to another embodiment of the invention, further comprise that described axle localization method is as follows: on lathe four axle rotary tables, scroll chuck is installed, and is utilized tailstock centre jointly to clamp axle, axle clamps groove drum.
According to another embodiment of the invention, further comprise determining of Milling Parameters in described milling guide wire casing NC Machining Program: the selection of Milling Parameters requires according to part to be processed situation, lathe and processing technology and cutter material decides, and Milling Parameters has tool diameter, tool angle diameter, degree of turning, the amount of feeding and cutting depth.
According to another embodiment of the invention, further comprise that in described milling guide wire casing NC Machining Program, machining coordinate is set: the origin of coordinates fixes on the groove drum end face center of circle, X, Y, Z coordinate system meets the right-hand rule, rough milling guide wire casing profile, to select diameter be the tack cutter of 2mm, the guide wire casing of 2 circles, obtain feed with biasing order and lead moving-wire, select to become axle milling, what driving method employing curve was machining path leads moving-wire, part surplus is set in cutting parameter and is biased to 1.5mm, choosing multiple cut and establishing increment feeding is 0.2mm, tool orientation is selected craspedodrome mode, select the central axis of groove drum, if the speed of mainshaft is 4500r/min, feed mode adopts straight-line feed, feed rate is 10mm/min, feed feed rate and withdrawing feed rate are 10mm/min.
The invention has the beneficial effects as follows, the present invention, on research groove drum design main points and design feature basis, adopts and utilizes numerical-control processing method, is guaranteeing, under the prerequisite of crudy, to have improved production efficiency, has realized the supporting and automatic winder of groove drum batch production.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is groove drum clamping schematic diagram;
In figure 1, lathe four axle rotary tables, 2, axle, 3, groove drum, 4, top.
The specific embodiment
Following concrete embodiment does not only limit the right that patent is applied for by this patent in order better to illustrate.
A kind of high-speed abrasion-proof metal drum processing technology, the processing technology of groove drum is as follows: the polishing → surface Hardening Treatment → overall dynamic balancing of car inner hole outer circularity → brill dowel hole → milling guide wire casing → guide groove, it is characterized in that, described milling guide wire casing adopts numerical-control processing method, before processing guide wire casing, need carry out clamping to the semi-finished product blank of groove drum fixes, the semi-finished product blank clamping method of groove drum is as follows: the semi-finished product blank of groove drum has processed Internal and external cycle, trip bolt hole and dowel hole, groove drum is carried out to the restriction of six-freedom degree, employing groove drum inner cylinder face and radially pin hole are positioning datum, axle and alignment pin are as setting element, four free degree Y of axle restriction, the movement of Z axis and rotation, movement and the rotation of two free degree X-axis of alignment pin restriction, realize location, after process, described milling guide wire casing NC Machining Program process is as follows: first determine Milling Parameters, set machining coordinate, choose cutter, for the finish-milling wire casing profile different with rough milling wire casing, carry out cutting simulation, determine that Path is correct, after machining simulation is errorless, select suitable preprocessor output procedure, carry out digital control processing.
Groove drum wall is thinner, and darker along with wire casing processing on groove drum, the rigidity of groove drum is just poorer, so, design fixture must be considered, according to the rigidity feature of variation gradually in blank and wire casing processing, to utilize original trip bolt hole to make groove drum in axle, carry out multiple spot clamping, has so not only solved the problem of groove drum rigidity variation in wire casing processing, guarantee the processing rigidity of groove drum, and located like this clamping mode and groove drum mounting means on bobbin-winding machine is in full accord.
As shown in Figure 1, described axle localization method is as follows: on lathe four axle rotary tables 1, scroll chuck is installed, and is utilized the common clamping axle 2 of tailstock centre 4, axle 2 clamps groove drum 3.This axle has good versatility, if while changing clamping mode use nut into from groove drum face clamping, can be used for the processing in locating hole and trip bolt hole.
In described milling guide wire casing NC Machining Program, Milling Parameters is definite: the selection of Milling Parameters requires according to part to be processed situation, lathe and processing technology and cutter material decides, and Milling Parameters has tool diameter, tool angle diameter, degree of turning, the amount of feeding and cutting depth.The principle of choose reasonable cutting parameter is: when roughing, generally to boost productivity as main, but also will consider economy and processing cost, when semifinishing and fine finishining, should guarantee, under the prerequisite of crudy, to take into account stock-removing efficiency economy and processing cost.It is a measure of boosting productivity that cutting speed improves, but close with the Relationship Comparison of tool life, along with the increase tool life of ν sharply declines, therefore tool life is depended in the selection of ν.This operation is selected diameter 2mm milling cutter, rigidity is poor, be easy to occur breaking, the possibility that but operation allowance is little, tool wear and heat in metal cutting are destroyed is very little, in order to guarantee stock-removing efficiency, can select the higher speed of mainshaft, the scope planted agent who allows at lathe degree of turning is as far as possible large, is also conducive to reduce surface roughness Ra value for fine finishining.On the basis of theory analysis and experience handbook, in vertical machining centre, this operation cutting parameter is carried out to cutting test, determine and be applicable to thick accurately machined main cutting parameter, as table 1.
the each work step cutter of table 1, main Milling Parameters are selected
Wherein, amount of feeding f: process system rigidity, cutting force size and tool dimension etc. are mainly considered in the selection of roughing amount of feeding f.Fine finishining is by roughness requirement, according to the selection such as workpiece material, corner radius.Less in order to prevent that breaking f from should select.
Cutting depth a
p: a
pselect the main rigidity of considering workpiece and cutter, in order to guarantee certain machining accuracy and surface roughness, generally should stay certain surplus to fine finishining.Because tool stiffness is poor, a
pshould select less.
In described milling guide wire casing NC Machining Program, machining coordinate is set: the origin of coordinates fixes on the groove drum end face center of circle, X, Y, Z meets the right-hand rule, rough mill guide wire casing profile, selecting diameter is the tack cutter of 2mm, in the guide wire casing of 2 circles, what 1 circle was wide directly guarantees flute profile size by cutter, what broaden guarantees flute profile size by outline line, obtain feed with biasing order and lead moving-wire, select to become axle milling, what driving method employing curve was machining path leads moving-wire, part surplus is set in cutting parameter and is biased to 1.5mm, choosing multiple cut and establishing increment feeding is 0.2mm, tool orientation is selected mode, select the central axis of groove drum, if the speed of mainshaft is 4500r/min, feed mode adopts straight-line feed, feed rate is 10mm/min, feed feed rate and withdrawing feed rate are 10mm/min, choose cutter, machining blanks, generate Path, carry out cutting simulation.
Finish-milling wire casing contour method with rough mill wire casing profile similarity, can be provided with related parameter according to table 1, stack compensation not being set.
Rough mill chamfering curved surface.Selecting diameter is the ball head knife of 3mm.Driving method adopts curved surface, and route selection groove curved surface limit is drive surface, and cutter axis orientation is selected mode, selects the central axis of groove drum.It is that 0.2mm. cutting tool state is tangent line that surplus is set, and cutting form is for increasing corner, and step-length is that 0.02 speed of mainshaft is 4500r/min, and feed mode adopts straight-line feed, and feeding is 200mm/min.Choose part finished surface, cutter and machining blanks etc., just can generate Path, carry out cutting simulation.
Finish-milling chamfering curved surface, to rough mill wire casing curved surface similar, can be provided with related parameter according to table 1, difference: surplus is 0, and step-length is 0.005.Rounding programming is with to rough mill guide line profile programming mode similar.
If the Path arriving of pre-process is correct, machining simulation is errorless, just can select suitable preprocessor output procedure, and the setting of selected preprocessor will conform to the structure and parameter of actual machining tool.In UG, can set up new post processing by post processing window, be provided with according to the lathe of reality processing the four axle preprocessors that the 4th axle is a axle, and correctly export numerical control program, carry out digital control processing.
High-speed abrasion-proof metal drum is one of automatic winder, doubling winder critical component, is applicable to cotton, fiber crops, hair, thin,tough silk and other blend fibre doff, has the features such as static is little, filoplume is few, long service life.Adapt to winding speed 800 ~ 2000m/min, it indicates automatic winder international most advanced level.At present, the growth stage of high-speed abrasion-proof metal drum in the product life cycle, market prospects are wide, according to our investigation statistics, China will, from external import metal drum 15 ~ 200,000,200 ~ 250 dollars every, spend foreign exchange 3000 ~ 50,000,000 dollar in recent years every year every year.
Below some technical parameters of high-speed abrasion-proof metal drum:
1. groove drum structure:
Left and right reciprocating spiral groove is the conical shell of the double end left and right intersection of a large helical pitch, varying pitch, change helical angle, degree of deepening
2. travel line speed:
Winding speed 800 ~ 2000m/min
3. requirement for dynamic balance:
Requirement for dynamic balance: Mr≤0.3g mm
4. surface abrasion resistance:
Surface roughness Ra≤0.2; Case hardness HV >=900
5. technical parameter:
End diameter φ 90mm
Outside diameter φ 98mm
Traverse 152mm
Helicla flute: 2 circle 2.5 circles
6. material: ambrose alloy vermicular cast iron
Claims (2)
1. the processing technology of a high-speed abrasion-proof metal drum, its processing sequence is as follows: the polishing → surface Hardening Treatment → overall dynamic balancing of car inner hole outer circularity → brill dowel hole → milling guide wire casing → guide groove, it is characterized in that, described milling guide wire casing adopts numerical-control processing method, before processing guide wire casing, need carry out clamping to the semi-finished product blank of groove drum fixes, the semi-finished product blank clamping method of groove drum is as follows: the semi-finished product blank of groove drum has processed Internal and external cycle, trip bolt hole and dowel hole, groove drum is carried out to the restriction of six-freedom degree, employing groove drum inner cylinder face and radially pin hole are positioning datum, axle and alignment pin are as setting element, four free degree Y of axle restriction, the movement of Z axis and rotation, movement and the rotation of two free degree X-axis of alignment pin restriction, realize location, after process, described milling guide wire casing NC Machining Program process is as follows: first determine Milling Parameters, set machining coordinate, choose cutter, for the finish-milling wire casing profile different with rough milling wire casing, carry out cutting simulation, determine that Path is correct, after machining simulation is errorless, select suitable preprocessor output procedure, carry out digital control processing, in described milling guide wire casing NC Machining Program, Milling Parameters is definite: the selection of Milling Parameters requires according to part to be processed situation, lathe and processing technology and cutter material decides, and Milling Parameters has tool diameter, tool angle diameter, degree of turning, the amount of feeding and cutting depth, in described milling guide wire casing NC Machining Program, machining coordinate is set: the origin of coordinates fixes on the groove drum end face center of circle, X, Y, Z coordinate system meets the right-hand rule, rough milling guide wire casing profile, to select diameter be the tack cutter of 2mm, the guide wire casing of 2 circles, obtain feed with biasing order and lead moving-wire, select to become axle milling, what driving method employing curve was machining path leads moving-wire, part surplus is set in cutting parameter and is biased to 1.5mm, choosing multiple cut and establishing increment feeding is 0.2mm, tool orientation is selected craspedodrome mode, select the central axis of groove drum, if the speed of mainshaft is 4500r/min, feed mode adopts straight-line feed, feed rate is 10mm/min, feed feed rate and withdrawing feed rate are 10mm/min.
2. the processing technology of a kind of high-speed abrasion-proof metal drum according to claim 1, it is characterized in that, described axle localization method is as follows: at the upper scroll chuck of installing of lathe four axle rotary tables (1), and utilize tailstock centre (4) jointly to clamp axle (2), axle (2) clamps groove drum (3).
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| CN201210085110.3A CN102601588B (en) | 2012-03-28 | 2012-03-28 | Processing technology for high-speed abrasion-resistant metal groove drums |
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| CN201210085110.3A CN102601588B (en) | 2012-03-28 | 2012-03-28 | Processing technology for high-speed abrasion-resistant metal groove drums |
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| CN105149963B (en) * | 2015-09-25 | 2018-08-28 | 北京灵隆科技有限公司 | The processing unit (plant) and processing method of speaker net |
| CN105972234B (en) * | 2016-05-03 | 2018-05-04 | 浙江石化阀门有限公司 | Prop open type ball surface gate valve and its special processing process |
| CN111650880B (en) * | 2020-05-15 | 2022-01-25 | 成都飞机工业（集团）有限责任公司 | Programming method for batch creation of deburring tool path based on UG/NX |
| CN113732621A (en) * | 2020-05-27 | 2021-12-03 | 苏州市东山友华机械有限公司 | Forming process of yarn barrel of textile machine |
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