CN109000923B - Device and method for testing meshing rate of end-toothed disc of servo tool rest - Google Patents
Device and method for testing meshing rate of end-toothed disc of servo tool rest Download PDFInfo
- Publication number
- CN109000923B CN109000923B CN201810649679.5A CN201810649679A CN109000923B CN 109000923 B CN109000923 B CN 109000923B CN 201810649679 A CN201810649679 A CN 201810649679A CN 109000923 B CN109000923 B CN 109000923B
- Authority
- CN
- China
- Prior art keywords
- toothed disc
- sliding table
- testing
- tool rest
- ball bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a device and a method for testing the meshing rate of an end-toothed disc of a servo tool rest. The device comprises a bottom plate, wherein a rotating mechanism used for installing a first detection end-toothed disc and an up-and-down sliding mechanism used for installing a second detection end-toothed disc are arranged on the bottom plate, the up-and-down sliding mechanism comprises a sliding table rail, a sliding table used for connecting the second detection end-toothed disc is arranged on the sliding table rail, an extrusion executing mechanism is arranged above the sliding table on the sliding table rail, a lifting executing mechanism is arranged below the sliding table on the sliding table rail, and a pressure sensor is arranged between the extrusion executing mechanism and the sliding table. The invention can efficiently measure the meshing rate of the end-toothed disc, and considers the influence of the automatic centering function of the end-toothed disc and the pressure during working, so that the measurement result is more accurate.
Description
The technical field is as follows:
the invention relates to a device and a method for testing the meshing rate of an end-toothed disc of a servo tool rest, and belongs to the technical field of precise numerical control machinery.
Background art:
the tool rest is one of core functional components of a precision numerical control machine tool and a turning center, and can realize the functions of tool storage, automatic exchange, tool clamping, cutting and the like. The servo turret tool rest is a core functional component for realizing a composite processing technology, reducing processing time and improving production efficiency. The structure of the servo power tool rest directly influences the cutting performance and efficiency of the machine tool and is closely related to the machining precision of the machine tool. The end-toothed disc has the characteristics of high precision, good rigidity, compact structure and the like, and is a key positioning device of the servo tool rest. Because of the working requirement, the sufficient tangential rigidity is required, so that the measurement of the meshing rate is of great significance and is one of important parameters for evaluating the performance of the servo tool rest functional component.
At present, a measuring device and a measuring method for the engagement rate of an end-toothed disc are not perfect, and enterprises generally apply a colorant to a toothed disc set and then measure the engagement rate by buckling and tapping the engaged toothed disc pairs. The method is greatly different from the actual working condition, and factors such as meshing deformation and the like are ignored. Meanwhile, the toner is easily knocked off by a knocking mode and falls onto the other fluted disc, so that the measurement accuracy is influenced.
Disclosure of Invention
The invention aims to provide a device and a method for testing the meshing rate of an end-toothed disc of a servo tool rest, the device can be used for efficiently measuring the meshing rate of the end-toothed disc, the influence of the automatic centering function of the end-toothed disc and the pressure during working is considered, the measurement result is more accurate, and the device and the method are convenient to use.
The above purpose is realized by the following technical scheme:
the utility model provides a testing arrangement of servo knife rest end-toothed disc meshing rate, includes the bottom plate, the bottom plate on be provided with the slewing mechanism that is used for installing the first detection end-toothed disc and be used for installing the second and detect the upper and lower slide mechanism of end-toothed disc, upper and lower slide mechanism include the slip table track, be provided with on the slip table track and be used for connecting the slip table of second detection end-toothed disc, lie in on the slip table track the top of slip table is provided with extrusion actuating mechanism, lie in on the slip table track the below of slip table is provided with lifting actuating mechanism, extrusion actuating mechanism with be provided with pressure sensor between the slip table.
Preferably, the rotating mechanism comprises a rotating mechanism base, a first thrust ball bearing, a connecting nut, a connecting plate, an angular contact ball bearing, a cover plate and a rotary table, the rotary table is coaxially provided with the first detection end toothed disc, the bottom surface of the rotary table is provided with a shaft which penetrates through the cover plate and the angular contact ball bearing to be fixed with the connecting plate through the nut, the connecting plate is pressed on the upper surface of the first thrust ball bearing, the lower surface of the first thrust ball bearing is pressed on the inner bottom surface of a counter bore of the rotating mechanism base, the cover plate is connected with the rotating mechanism base through a screw, and the cover plate is pressed on the angular contact ball bearing in the.
Preferably, the sliding table track is a stepped shaft with threads, the upper part of the stepped shaft is provided with threads, the middle part of the stepped shaft is an optical axis and is in clearance fit with the sliding table hole, the lower part of the stepped shaft is also provided with threads, and the bottom of the stepped shaft is a cylindrical boss and is used for being connected with the bottom plate.
Preferably, the extrusion actuating mechanism is sequentially that an upper nut is screwed on the sliding table track through threads from top to bottom, the upper nut is pressed on an upper gasket, the upper gasket is pressed on an upper sleeve, the upper sleeve is pressed on a second thrust ball bearing, the second thrust ball bearing is pressed on a pressure sensor, and the pressure sensor is pressed on the sliding table.
Preferably, the lifting actuator is sequentially provided with a lower nut screwed on the sliding table track through threads from bottom to top, the lower nut supports the lower gasket, and the lower sleeve is pressed on the lower gasket.
Preferably, the bottom plate is provided with a positioning hole, and two sides of the bottom plate are provided with U-shaped grooves.
Preferably, the sliding table track is fixedly connected with the bottom plate through welding.
Preferably, the sliding table is connected with the second detection end-toothed disc through a connecting piece.
Preferably, the surface of the sliding table, which is in contact with the connecting piece, is provided with a counter bore, the corresponding position of the connecting piece is provided with a cylindrical boss with the same diameter, and the lower part of the connecting piece is also provided with a boss matched with the second detection fluted disc.
The method for testing the engagement rate of the end-toothed disc of the servo tool rest by using the testing device for the engagement rate of the end-toothed disc of the servo tool rest comprises the following steps:
(1) initially, the sliding table is in a lifting state, namely the upper nut is upwards rotated, and the lower nut is upwards rotated at the same time, so that the sliding table is lifted and is partially fixed through the lifting actuating mechanism;
(2) smearing a color agent (generally red lead powder) on the tooth surface of the end first detection end tooth disk, then installing the end first detection end tooth disk on a rotary table of a rotating mechanism, realizing axial positioning through an end tooth disk boss and a rotary table positioning hole, and fixedly connecting the end tooth disk boss and the rotary table positioning hole through bolts; the end second detection end tooth disc is installed on the connecting piece, axial positioning is achieved through the positioning boss and the positioning hole, and the end second detection end tooth disc is connected through the screw;
(3) and slowly rotating the lower nut downwards until the first detection end-toothed disc and the second detection end-toothed disc are meshed with each other and ensuring that the upper surface of the lower sleeve is separated from the sliding table by a certain distance. The upper nut is rotated downwards until the upper nut is contacted with the upper gasket and pre-compaction is realized;
(4) adjusting the value of a force sensor acquisition system, and setting the acting force in the state to be zero;
(5) slowly screwing the upper nut, simultaneously observing the reading of the acquisition system until the reading meets the engagement acting force of the end-toothed disc during working, keeping for a certain time, and then unscrewing the upper nut;
(6) repeating the lifting operation in the step (1), moving the sliding table to an initial state, and determining the meshing rate of the end-toothed disc at the station by checking the area of the toner on the tooth surface of the second detection end-toothed disc;
(7) and (4) wiping the coloring agent on the second detection end fluted disc at the end, rotating the rotary table, changing the meshing station of the two fluted discs, and repeating the steps (3) to (6) to finally realize the test of the meshing rate of all the meshing stations of the two fluted discs.
Has the advantages that:
compared with the prior art, the testing device and the testing method of the testing device for the end-toothed disc meshing rate of the servo turret/power tool rest have the advantages that:
1. the testing device for the meshing rate of the end-toothed disc adopts a rotating mechanism form, and can simulate the automatic centering function of the end-toothed disc in the working process. The rotating mechanism adopts a thrust ball bearing, and can adapt to the working condition that an end-toothed disc bears large meshing load.
2. The rotating mechanism provided by the invention can be used for realizing rapid conversion measurement under different meshing stations, and can be used for efficiently measuring a plurality of meshing stations by one-time installation.
3. The invention adopts a nut screwing and extruding mode, the operation is simple, and the acting force meets the requirement; meanwhile, the thrust ball bearing is adopted, so that the torsional acting force generated by the torsion of the nut is eliminated, and the extrusion force can be accurately measured.
4. Connecting piece and revolving stage are detachable, can change when measuring different model end-toothed disc meshing rate according to multiple connecting piece of end-toothed disc size design of difference and revolving stage, and application scope is wide.
Drawings
FIG. 1 is a front view of a testing device of the present invention;
FIG. 2 is a perspective view of the testing device of the present invention;
FIG. 3 is a three-dimensional exploded view of the rotating mechanism of the present invention;
FIG. 4 is a perspective view of the rotating mechanism of the present invention;
FIG. 5 is a perspective view of the base plate of the present invention;
FIG. 6 is a front view of a threaded slip track of the present invention;
FIG. 7 is a perspective view of the slide table of the present invention;
fig. 8 is a perspective view of a connecting member for connecting the sliding table and the end-toothed disc in the invention.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1-8, the testing device for the meshing rate of the end-toothed disc of the servo tool rest of the present invention comprises a bottom plate 1 for positioning, a rotating mechanism 2 for installing and detecting a first detecting end-toothed disc 3, a sliding mechanism for installing and detecting another second detecting end-toothed disc 4, and an executing mechanism for realizing extrusion and lifting of a sliding table 6, wherein the rotating mechanism comprises a rotating mechanism base 16, a first thrust ball bearing 17, a connecting nut 18, a connecting plate 19, an angular contact ball bearing 20, a cover plate 21, and a rotary table 22, the sliding mechanism comprises a sliding table track 7 with threads, a sliding table 6, and a connecting member 5, the executing mechanism comprises an upper nut 8, an upper gasket 9, an upper sleeve 10, a second thrust ball bearing 11, a pressure sensor 12, a lower sleeve 13, a lower gasket 14, and a lower nut 15, the pressure sensor 12 is externally connected with a data acquisition system, and a testing method of the testing device, the measuring method has the advantages that the meshing rate of the end-toothed disc can be efficiently measured, and the influence of the automatic centering function of the end-toothed disc and the pressure during working is considered, so that the measuring result is more accurate.
As an embodiment, the bottom plate 1 is provided with a positioning hole to ensure the installation position of each component. Meanwhile, U-shaped grooves are formed in two sides of the bottom plate 1, and the bottom plate can be fixed on a T-shaped groove base through T-shaped nuts.
In an embodiment, the rotating mechanism 2 is downward such that the rotating table 22 penetrates through the cover plate 21, the angular contact ball bearing 20 and the connecting plate 19 and is fixed through the nut 18, the connecting plate 19 presses on the upper surface of the first thrust ball bearing 17, the lower surface of the first thrust ball bearing 17 presses on the bottom surface of the inner portion of the counter bore of the rotating mechanism base 16, the cover plate 21 is connected with the rotating mechanism base 16 through a screw, and it is guaranteed that the cover plate 21 presses on the angular contact ball bearing 20 in the connection process, namely the top surface of the rotating mechanism base 16 is slightly lower than the top surface of the angular contact ball bearing 20 in a. By means of this connection, no axial translation of the turntable 22 relative to the rotating mechanism base 16 is achieved. When the rotating mechanism base 16 is connected with the bottom plate 1 through the screw, the axial fixing of the rotating mechanism 2 is completed. In the rotating mechanism 2, the first thrust ball bearing 17 can realize the rotation of the first detection end-toothed disc 3 at the lower end in a pressed state, so that the automatic centering function of the end-toothed disc is simulated, and the angular contact ball bearing 20 ensures that the rotary table 22 can axially rotate and does not deflect. An axial positioning counter bore is formed in the center of the upper surface of the rotary table 22 and used for ensuring that the first detection end-toothed disc 3 is coaxial with the rotary table 22.
As an embodiment, the sliding mechanism comprises a sliding table track 7 with threads, a sliding table 6 and a connecting piece 5, wherein the connecting piece 5 and the sliding table are fixedly connected together through screws, and the sliding table track 8 and the base plate 1 are fixedly connected together through welding. The sliding table 6 is of a cubic structure and has enough rigidity, namely, the acting force on the force sensor is considered to be the meshing force of the end-toothed disc. The surface of the sliding table 6, which is in contact with the connecting piece 5, is provided with a counter bore 23, the corresponding position of the connecting piece 5 is provided with a cylindrical boss 24 with the same diameter, and the lower part of the connecting piece 5 is also provided with a boss 25 which is matched with the second detection end fluted disc 4, so that the second detection end fluted disc 4 can be detected to be coaxial with the connecting piece 5, and the relative distance of the axis relative to the sliding table track 7 is determined. The sliding table track 7 is a stepped shaft with threads, and the upper part of the stepped shaft is provided with threads for being in threaded connection with the upper nut 8; the middle part is an optical axis which is in clearance fit with the hole 6 of the sliding table to realize positioning and sliding; the lower part is also provided with threads for threaded connection with a lower nut 15; the bottom is a cylindrical boss for connection with the base plate 1. Through the positioning of the whole structure, the coaxiality of the two fluted discs in the meshing process can be realized.
As an embodiment, the pressing actuator part of the actuator is that an upper nut 8 is screwed on the sliding table track 7 through threads from top to bottom, the upper nut 8 presses on an upper gasket 9, the upper gasket 9 presses on an upper sleeve 10, the upper sleeve 10 presses on a second thrust ball bearing 11, the second thrust ball bearing 11 presses on a pressure sensor 12, and the pressure sensor 12 presses on the sliding table 6; the lifting actuator part of the actuator is that a lower nut 15 is screwed on the sliding table track 7 through threads in sequence from bottom to top, the lower nut 15 supports a lower gasket 14, and a lower sleeve 13 presses on the lower gasket 14. The second thrust ball bearing 11 is used in order to eliminate a torsional force generated during the rotation of the upper nut 8. The sleeves 10 and 13 are used for the transition between the thread and the optical axis.
A test method of a servo turret/power tool rest end-toothed disc meshing rate test device comprises the following steps:
(1) the components of the testing device are installed according to the above description to obtain the servo turret/power tool rest end-toothed disc meshing rate testing device, and the sliding table 6 is initially in a lifting state, that is, the upper nut 8 is rotated upwards, and the lower nut 15 is rotated upwards at the same time, so that the sliding table is lifted and is partially fixed through the lifting actuator.
(2) Smearing a color agent (red lead powder is adopted in the embodiment) on the tooth surface of the end first detection end tooth disk 3, then installing the end first detection end tooth disk 3 on a rotary table 22 of the rotating mechanism 2, realizing axial positioning through an end tooth disk boss and a rotary table positioning hole, and fixedly connecting the end tooth disk boss and the rotary table positioning hole through a bolt; and the end second detection end fluted disc 4 is arranged on the connecting piece 5, and is axially positioned through the positioning boss and the positioning hole and connected by a screw.
(3) The lower nut 15 is slowly rotated downwards until the first detection end-toothed disc 3 and the second detection end-toothed disc 4 are engaged with each other and the upper surface of the lower sleeve 13 is ensured to be separated from the sliding table 6 by a certain distance. The upper nut 8 is screwed down until it comes into contact with the upper washer 9 and pre-compression is achieved.
(4) And adjusting the value of a force sensor acquisition system, and setting the acting force in the state to be zero.
(5) The upper nut 8 is slowly screwed down, the reading of the acquisition system is observed at the same time until the reading meets the meshing acting force of the end-toothed disc during working, the operation is kept for a certain time, and then the upper nut 8 is unscrewed.
(6) And (3) repeating the lifting operation in the step (1), moving the sliding table 6 to an initial state, and determining the meshing rate of the end-toothed disc at the station by checking the area of the toner on the tooth surface of the second detection end-toothed disc 4.
(7) And (4) wiping the coloring agent on the second detection end fluted disc 4 at the end, rotating the rotary table 22, changing the meshing station of the two fluted discs, and repeating the steps (3) to (6) to finally realize the test of the meshing rate of all the meshing stations of the two fluted discs.
The base of the testing device adopts a rotating mechanism form, and can simulate the automatic centering function of the end-toothed disc in the working process. The rotating mechanism adopts a thrust ball bearing and can adapt to the working condition that an end-toothed disc bears large meshing load; the quick switching measurement under different meshing stations can also be realized, and a plurality of meshing stations can be measured by one-time installation at high efficiency. The nut screwing and extruding mode is adopted, the operation is simple, and the acting force meets the requirement; meanwhile, the thrust ball bearing is adopted, so that the torsional acting force generated by the torsion of the nut is eliminated, and the extrusion force can be accurately measured. Connecting piece and revolving stage are detachable, can change when measuring different model end-toothed disc meshing rate according to multiple connecting piece of end-toothed disc size design of difference and revolving stage, and application scope is wide.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The device for testing the meshing rate of the end-toothed disc of the servo tool rest is characterized by comprising a bottom plate (1), wherein a rotating mechanism (2) for mounting a first detection end-toothed disc (3) and an upper and lower sliding mechanism for mounting a second detection end-toothed disc (4) are arranged on the bottom plate, the upper and lower sliding mechanisms comprise a sliding table track (7), a sliding table (6) for connecting the second detection end-toothed disc (4) is arranged on the sliding table track, an extrusion executing mechanism is arranged on the sliding table track (7) and above the sliding table (6), a lifting executing mechanism is arranged on the sliding table track (7) and below the sliding table (6), and a pressure sensor (12) is arranged between the extrusion executing mechanism and the sliding table (6);
the rotating mechanism (2) comprises a rotating mechanism base (16), a first thrust ball bearing (17), a nut (18), a connecting plate (19), an angular contact ball bearing (20), a cover plate (21) and a rotary table (22), wherein the first detection end toothed disc (3) is coaxially mounted on the rotary table (22), a shaft is arranged on the bottom surface of the rotary table (22) and penetrates through the cover plate (21), the angular contact ball bearing (20) is fixed with the connecting plate (19) through the nut (18), the connecting plate (19) is pressed on the upper surface of the first thrust ball bearing (17), the lower surface of the first thrust ball bearing (17) is pressed on the inner bottom surface of a counter bore (23) of the rotating mechanism base (16), the cover plate (21) is connected with the rotating mechanism base (16) through screws, and the cover plate (21) is pressed on the angular contact ball bearing (20) in the connection process.
2. The device for testing the meshing rate of the end-toothed disc of the servo tool rest according to claim 1, wherein the sliding table rail (7) is a stepped shaft with threads, the upper part of the stepped shaft is provided with threads, the middle part of the stepped shaft is an optical axis and is in clearance fit with a hole of the sliding table (6), the lower part of the stepped shaft is also provided with threads, and the bottom of the stepped shaft is a cylindrical boss and is used for being connected with the bottom plate (1).
3. The device for testing the meshing rate of the end-toothed disc of the servo tool rest according to claim 1, wherein the pressing actuator sequentially comprises an upper nut (8) screwed on the sliding table rail (7) through threads from top to bottom, the upper nut (8) presses on an upper gasket (9), the upper gasket (9) presses on an upper sleeve (10), the upper sleeve (10) presses on a second thrust ball bearing (11), the second thrust ball bearing (11) presses on a pressure sensor (12), and the pressure sensor (12) presses on the sliding table (6).
4. The device for testing the meshing rate of the end-toothed disc of the servo tool rest according to claim 1, wherein the lifting actuator sequentially comprises a lower nut (15) screwed on the sliding table rail (7) through threads from bottom to top, the lower nut (15) supports a lower gasket (14), and a lower sleeve (13) presses on the lower gasket (14).
5. The device for testing the meshing rate of the end-toothed disc of the servo tool rest according to claim 1, wherein the base plate (1) is provided with positioning holes, and two sides of the base plate are provided with U-shaped grooves.
6. The device for testing the meshing rate of the end-toothed disc of the servo tool rest according to claim 1, wherein the sliding table rail (7) is fixedly connected with the base plate (1) through welding.
7. The device for testing the meshing rate of the end-toothed disc of the servo tool rest according to claim 1, wherein the sliding table (6) is connected with the second detection end-toothed disc (4) through a connecting piece (5).
8. The device for testing the meshing rate of the end-toothed disc of the servo tool rest according to claim 7, wherein a counter bore (23) is formed in the surface, which is in contact with the connecting piece (5), of the sliding table (6), a cylindrical boss (24) with the same diameter is arranged at the corresponding position of the connecting piece (5), and a boss (25) matched with the second detection toothed disc is also arranged at the lower part of the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649679.5A CN109000923B (en) | 2018-06-21 | 2018-06-21 | Device and method for testing meshing rate of end-toothed disc of servo tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810649679.5A CN109000923B (en) | 2018-06-21 | 2018-06-21 | Device and method for testing meshing rate of end-toothed disc of servo tool rest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109000923A CN109000923A (en) | 2018-12-14 |
| CN109000923B true CN109000923B (en) | 2020-07-21 |
Family
ID=64601512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810649679.5A Active CN109000923B (en) | 2018-06-21 | 2018-06-21 | Device and method for testing meshing rate of end-toothed disc of servo tool rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109000923B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076926A (en) * | 2019-12-12 | 2020-04-28 | 吉林大学 | Reliability test bed for triple fluted disc of numerical control tool rest |
| CN114264475B (en) * | 2021-12-15 | 2024-04-12 | 吉林大学 | Double triple fluted disc reliability test device and method for full-working-condition simulation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200354U (en) * | 1985-04-01 | 1985-11-10 | 北京工业学院 | Rotary indexing table with differential end tooth |
| CN101767279A (en) * | 2009-01-04 | 2010-07-07 | 重庆齿轮箱有限责任公司 | Gear contacting and coloring adjustment method of large heavy-load gear box |
| CN102749193A (en) * | 2012-07-09 | 2012-10-24 | 沈阳黎明航空发动机(集团)有限责任公司 | Colouring examination method for high-precision central-driving bevel gear |
| CN204439336U (en) * | 2015-02-05 | 2015-07-01 | 南京理工大学 | Linear rolling guide carrying is to manual charging mechanism |
| CN105121908A (en) * | 2013-02-25 | 2015-12-02 | 美国轮轴制造公司 | Method for inspecting contact between mating gears |
-
2018
- 2018-06-21 CN CN201810649679.5A patent/CN109000923B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200354U (en) * | 1985-04-01 | 1985-11-10 | 北京工业学院 | Rotary indexing table with differential end tooth |
| CN101767279A (en) * | 2009-01-04 | 2010-07-07 | 重庆齿轮箱有限责任公司 | Gear contacting and coloring adjustment method of large heavy-load gear box |
| CN102749193A (en) * | 2012-07-09 | 2012-10-24 | 沈阳黎明航空发动机(集团)有限责任公司 | Colouring examination method for high-precision central-driving bevel gear |
| CN105121908A (en) * | 2013-02-25 | 2015-12-02 | 美国轮轴制造公司 | Method for inspecting contact between mating gears |
| CN204439336U (en) * | 2015-02-05 | 2015-07-01 | 南京理工大学 | Linear rolling guide carrying is to manual charging mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109000923A (en) | 2018-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109000923B (en) | Device and method for testing meshing rate of end-toothed disc of servo tool rest | |
| CN105823635A (en) | Bearing rotation torque test device | |
| CN110936108B (en) | Machining method for improving assembly precision of thin-wall annular casing type parts | |
| CN210128685U (en) | Detection tool for detecting symmetry degree of two lug surfaces of spline shaft fork of transmission shaft | |
| CN109115083B (en) | Claw type deep hole inner diameter measuring device and measuring method | |
| CN105067046B (en) | A kind of automatic drill riveter calibration method | |
| CN112033324B (en) | Detection method for wall thickness and wall thickness difference of double cones | |
| CN113063974A (en) | Semiconductor test probe is with having probe sleeve that flange stopped position | |
| CN102749163B (en) | Testing equipment of spindle torsion of compressor cylinder body and displacement of piston top cylinder | |
| CN111156941B (en) | Vehicle brake block surface full run-out detection device | |
| CN112577636A (en) | Temperature sensor test fixture | |
| CN109458915B (en) | Detection tool and detection method for profile of disc cam | |
| CN110440677A (en) | A kind of crankshaft journal cone angle detection device and its application method | |
| CN202693179U (en) | Compressor cylinder body main shaft torque and piston top cylinder displacement testing equipment | |
| CN114674195A (en) | Automobile shifting fork position degree detection tool and detection method | |
| CN203811089U (en) | An apparatus for detecting a gap in an axial direction of an automobile inner bulb assembly | |
| CN108050922B (en) | Coaxiality detection device | |
| CN109556485B (en) | Adjustable fixed inspection lining device for position degree measuring tool and using method thereof | |
| CN219589607U (en) | Angle measuring instrument | |
| CN216523805U (en) | Workpiece quality detection equipment | |
| CN216483867U (en) | Reliability test device for chuck of numerical control machine tool | |
| CN216205820U (en) | Device for testing position degree of end face threaded hole of ball nut | |
| CN109489521B (en) | Structure for testing product in closed space under normal temperature environment | |
| CN220398474U (en) | Printer axle core laser detection machine | |
| CN204757888U (en) | Nut detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |