CN115476176A - Machining device and machining method for tangential key groove of motor shaft - Google Patents
Machining device and machining method for tangential key groove of motor shaft Download PDFInfo
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- CN115476176A CN115476176A CN202211122281.9A CN202211122281A CN115476176A CN 115476176 A CN115476176 A CN 115476176A CN 202211122281 A CN202211122281 A CN 202211122281A CN 115476176 A CN115476176 A CN 115476176A
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- 238000003754 machining Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000003801 milling Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a device and a method for machining a tangential key groove of a motor shaft, and relates to the technical field of motor shaft machining; in order to solve the problem of easy rotation during processing; the clamping device comprises a workbench, wherein a clamping driving part is arranged at the top of the workbench, the clamping parts are in transmission connection with two sides of the clamping driving part, the top of the workbench is connected with a lifting plate through a multidirectional displacement part, a main motor is fixedly installed on the outer wall of the top of the lifting plate, and an output shaft of the main motor is fixedly connected with a milling cutter; the clamping part comprises an hollow cylinder, a clamping jaw which is connected to the inner wall of the hollow cylinder in a rotating mode through an articulated shaft and an end face limiting block which is connected to the inner wall of the hollow cylinder in a sliding mode, and one end of the clamping jaw is in contact fit with the end face of the end face limiting block. According to the invention, the clamping jaw and the end face limiting block are arranged, so that the end face of the shaft can be limited on one hand, and the rotation of the shaft can be limited by circumferential clamping of the clamping jaw on the other hand, so that the shaft can not rotate during processing, and the processing precision is increased.
Description
Technical Field
The invention relates to the technical field of motor shaft machining, in particular to a machining device and a machining method for a tangential key groove of a motor shaft.
Background
The output shaft of the motor needs to be matched with other parts, such as a gear, a belt wheel, a coupling and the like, and most of the matching parts adopt key connection, so that key grooves need to be milled when a motor shaft is processed.
Through retrieval, the Chinese patent with publication number CN102328122B discloses a processing device and a processing method for a tangential key slot of a motor shaft, and the processing device comprises a tool setting device, wherein the tool setting device comprises a positioning disc and a positioning block, a positioning hole is arranged in the middle of the positioning disc, a tool setting slot and a positioning slot are arranged on the circumference of the positioning disc, one surface of the tool setting slot is a positioning surface, and the other surface of the tool setting slot is a bottom positioning surface; one side surface of the positioning groove is a reference surface which passes through the axis of the positioning disc and forms an angle of 120 degrees with the positioning stop surface, the other side surface of the positioning groove is a limiting surface, and the limiting surface and the bottom positioning surface are positioned in a 120-degree fan-shaped area enclosed by the reference surface and the positioning stop surface; the positioning block is rectangular and is matched with the positioning groove of the positioning disc.
The above patents suffer from the following disadvantages: tangential keyway processing, the stress point of axle is not in axis department, and the axle can take place the rotation when can leading to processing, leads to the machining precision to reduce, seriously still can make the axle scrap.
Therefore, the invention provides a device and a method for machining a tangential key groove of a motor shaft.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a device and a method for machining a tangential key groove of a motor shaft.
In order to achieve the purpose, the invention adopts the following technical scheme:
a machining device for a tangential key groove of a motor shaft comprises a workbench, wherein a clamping driving part is arranged at the top of the workbench, the clamping parts are in transmission connection with two sides of the clamping driving part, the top of the workbench is connected with a lifting plate through a multidirectional displacement part, a main motor is fixedly installed on the outer wall of the top of the lifting plate, and an output shaft of the main motor is fixedly connected with a milling cutter; the clamping part comprises an hollow cylinder, a clamping jaw which is connected to the inner wall of the hollow cylinder in a rotating mode through an articulated shaft and an end face limiting block which is connected to the inner wall of the hollow cylinder in a sliding mode, and one end of the clamping jaw is in contact fit with the end face of the end face limiting block.
Preferably: the inner wall of the hollow cylinder is fixedly provided with a first spring, and the other end of the first spring is in contact fit with the clamping jaw.
Further: the clamping part further comprises a reversing motor and a supporting plate, the supporting plate is in transmission fit with the clamping driving part, the reversing motor is fixedly installed on the outer wall of the supporting plate, the hollow cylinder is rotatably connected to the supporting plate through a rotating shaft, and an output shaft of the reversing motor is fixedly connected with the rotating shaft.
On the basis of the scheme: and a supporting V-shaped plate is fixedly arranged on the outer wall of the top of the workbench.
The better scheme in the scheme is as follows: the clamping driving portion comprises a first sliding rod and a lead screw, the first sliding rod is fixed on the outer wall of the top of the workbench, the lead screw is rotatably connected to the outer wall of the top of the workbench, the two supporting plates are all slidably connected to the outer wall of the first sliding rod and are connected to the outer wall of the lead screw through opposite threads, a driving motor is fixedly mounted on the outer wall of one side of the workbench, and an output shaft of the driving motor is fixedly connected with the lead screw.
As a further scheme of the invention: the multidirectional displacement part comprises a transverse linear driving assembly and a longitudinal lifting driving assembly, and the transverse linear driving assembly, the longitudinal lifting driving assembly and the lifting plate are matched with each other.
And simultaneously, the both sides outer wall of lifter plate all has the reinforcement V template through two sliding fit of slide bar, and the tip fixed mounting of slide bar two has the limiting plate, and the outer wall cover of slide bar two is equipped with spring two.
As a preferable aspect of the present invention: and the inner side wall of the reinforced V-shaped plate is matched with a ball in a rolling manner.
And simultaneously, the backup pad includes the slider and three sliding connection in the slide bar at slider top through three sliding connection of slide bar, the slider has the threaded rod, two with the equal fixed mounting in one side relative of mounting panel one side is relative of threaded rod has same internal thread sleeve through revolving to opposite threaded connection, just the outer wall of threaded rod all has lock nut through threaded connection, the scale mark has been seted up to the outer wall of slide bar three.
As a more preferable scheme of the invention: and an infrared emission instrument is embedded in the inner wall of one of the end face limiting blocks, and the light emission path of the infrared emission instrument coincides with the axis of the end face limiting block.
The beneficial effects of the invention are as follows:
1. according to the invention, the clamping jaws and the end face limiting blocks are arranged, so that the end face of the shaft can be limited on one hand, and the rotation of the shaft can be limited by circumferential clamping of the clamping jaws on the other hand, therefore, the shaft can not rotate during processing, and the processing precision is increased.
2. According to the invention, through arranging the rotating shaft and the reversing motor, the rotating shaft can axially rotate, so that the requirement of processing multiple key grooves at different positions at a time can be met, and the processing efficiency is improved.
3. According to the invention, the supporting plate and the lead screw which are in opposite thread fit are arranged, the mutual movement speeds are the same, and the directions are opposite, so that the axis center position of the shaft can be accurately positioned, a better positioning basis is provided for the subsequent processing of the key slot, and the processing accuracy is ensured.
4. According to the invention, by arranging the supporting V-shaped plate and the reinforcing V-shaped plate, when the groove is milled, the supporting V-shaped plate is matched with the reinforcing V-shaped plate, and the shaft can be further clamped and limited, so that the processing precision is further improved.
5. According to the invention, the supporting plate is formed by combining the sliding block and the mounting plate, and the internal thread sleeve and the threaded rod are arranged, so that the height of the mounting plate can be changed, the clamping height of the two groups of clamping parts can be changed, and the shafts with different diameters can be adjusted.
Drawings
FIG. 1 is a schematic view of the overall structure of a device for machining a tangential keyway of a motor shaft according to the present invention;
fig. 2 is a schematic cross-sectional view of a clamping portion of a device for machining a tangential keyway of a motor shaft according to the present invention;
FIG. 3 is a schematic view of a partial structure of a clamping portion of the device for machining a tangential keyway of a motor shaft according to the present invention;
fig. 4 is a schematic structural view of a clamping driving part of the device for machining a tangential keyway of a motor shaft according to the present invention;
FIG. 5 is a schematic view of a partial structure of a device for machining a tangential keyway of a motor shaft according to the present invention;
fig. 6 is a schematic structural view of a support plate of the device for machining a tangential keyway of a motor shaft according to the present invention.
In the figure: 1-workbench, 2-clamping driving part, 3-clamping part, 4-multidirectional displacement part, 5-main motor, 6-milling cutter, 7-lifting plate, 8-supporting V-shaped plate, 9-hollow cylinder, 10-articulated shaft, 11-clamping jaw, 12-infrared emitter, 13-end face limiting block, 14-spring I, 15-rotating shaft, 16-reversing motor, 17-supporting plate, 18-driving motor, 19-slide bar I, 20-screw rod, 21-transverse linear driving component, 22-longitudinal lifting driving component, 23-limiting plate, 24-slide bar II, 25-spring II, 26-reinforcing V-shaped plate, 27-ball, 28-sliding block, 29-locknut, 30-internal thread sleeve, 31-scale line, 32-slide bar III, 33-mounting plate and 34-threaded rod.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1:
a machining device for a tangential key groove of a motor shaft is shown in figures 1-6 and comprises a workbench 1, wherein a clamping driving part 2 is arranged at the top of the workbench 1, clamping parts 3 are in transmission connection with two sides of the clamping driving part 2, the top of the workbench 1 is connected with a lifting plate 7 through a multidirectional displacement part 4, a main motor 5 is fixed on the outer wall of the top of the lifting plate 7 through bolts, and a milling cutter 6 is fixedly connected with an output shaft of the main motor 5; the clamping part 3 comprises a hollow cylinder 9, an end face limiting block 13 connected to the inside of the hollow cylinder 9 in a sliding mode and a clamping jaw 11 connected to the inner wall of the hollow cylinder 9 in a rotating mode through a hinged shaft 10, and one end of the clamping jaw 11 is in contact fit with the end face of the end face limiting block 13; during the use, with axle and 13 axis coincidence of terminal surface stopper and place, start centre gripping drive division 2 afterwards, drive two sets of clamping parts 3 and be close to each other, after terminal surface stopper 13 contacts a terminal surface, hollow cylinder 9 continues to be close to terminal surface stopper 13 each other and inwards contracts to it is spacing to clamping jaw 11, makes its circumference outer wall of counter shaft carry out the centre gripping.
The inner wall of the hollow cylinder 9 is welded with a first spring 14, and the other end of the first spring 14 is in contact fit with the clamping jaw 11.
This device, through setting up clamping jaw 11 and terminal surface stopper 13, one of them one side can carry on spacingly to the shaft terminal surface, and on the other hand can restrict the rotation of axle through the circumference centre gripping of clamping jaw 11 to make man-hour, the rotation can not take place for the axle, has increased machining precision.
In order to solve the problem of efficiency; as shown in fig. 3, the clamping portion 3 further includes a reversing motor 16 and a supporting plate 17, the supporting plate 17 is in transmission fit with the clamping driving portion 2, the reversing motor 16 is fixed on the outer wall of the supporting plate 17 through a bolt, the hollow cylinder 9 is rotatably connected to the supporting plate 17 through a rotating shaft 15, and an output shaft of the reversing motor 16 is fixedly connected to the rotating shaft 15; when the reversing motor 16 rotates, it can rotate the hollow cylinder 9 via the rotating shaft 15, thereby rotating the shaft.
Through the arrangement of the rotating shaft 15 and the reversing motor 16, the rotating shaft can rotate axially, so that the requirement for processing multiple key grooves at different positions at a single time can be met, and the processing efficiency is improved.
In order to solve the supporting problem; as shown in fig. 1 and 4, a supporting V-shaped plate 8 is fixed on the outer wall of the top of the workbench 1 through bolts; the support vee-plates 8 support the shaft.
In order to solve the driving problem; as shown in fig. 4, the clamping driving portion 2 includes a first sliding rod 19 and a lead screw 20, the first sliding rod 19 is fixed on the outer wall of the top of the workbench 1, the lead screw 20 is rotatably connected to the outer wall of the top of the workbench 1, both of the two supporting plates 17 are slidably connected to the outer wall of the first sliding rod 19 and are connected to the outer wall of the lead screw 20 through opposite threads, a driving motor 18 is fixed on the outer wall of one side of the workbench 1 through a bolt, and an output shaft of the driving motor 18 is fixedly connected with the lead screw 20; when the driving motor 18 is activated, it can drive the screw 20 in rotation, thus moving the support plate 17 by means of the screw connection.
Through setting up opposite screw-thread fit's backup pad 17 and lead screw 20, its speed of movement is the same each other, and the direction is opposite to can carry out the accurate positioning to the axis central point of counter shaft position, thereby provide better location basis to the processing of follow-up keyway, guarantee the accuracy of processing.
In order to solve the problem of movement; as shown in fig. 5, the multi-directional displacement portion 4 includes a transverse linear driving assembly 21 and a longitudinal lifting driving assembly 22, and the transverse linear driving assembly 21, the longitudinal lifting driving assembly 22 and the lifting plate 7 are mutually matched, in this embodiment, in order to ensure that the lifting plate 7 can move and lift along the axial direction of the shaft, the transverse linear driving assembly 21 and the longitudinal lifting driving assembly 22 may adopt an "electric slider-slide rail", "lead screw-slider", and a hydraulic, electric, pneumatic telescopic rod, etc., and the above structures are all the prior art, and the working principle and the installation manner thereof are well known to workers in the art, and no creative work is performed thereon in this embodiment, and therefore no detailed description is given.
In order to further increase the limit of the shaft and ensure the processing accuracy, as shown in fig. 5, the outer walls of the two sides of the lifting plate 7 are both in sliding fit with a reinforced V-shaped plate 26 through a second sliding rod 24, the end part of the second sliding rod 24 is fixed with a limit plate 23 through a bolt, and the outer wall of the second sliding rod 24 is sleeved with a second spring 25; when the lifting plate 7 descends, the lifting plate can drive the main motor 5 to descend, so that keyway machining is completed by matching with driving of the transverse linear driving assembly 21 and the longitudinal lifting driving assembly 22, and the reinforcing V-shaped plate 26 moves along with the descending of the lifting plate 7, so that the shaft is further clamped and limited by matching with the elastic action of the supporting V-shaped plate 8 and the second spring 25.
This device supports V template 8 and consolidates V template 26 through setting up, and when the milling flutes, support V template 8 and consolidate V template 26 cooperation, it is spacing to carry out further centre gripping to the counter shaft to machining precision has further been improved.
The inner side wall of the reinforced V-shaped plate 26 is matched with a ball 27 in a rolling way; the balls 27 allow for axial movement of the reinforcing V-shaped plate 26 relative to the shaft.
In order to improve the functionality of the device, as shown in fig. 6, the supporting plate 17 includes a sliding block 28 and a third sliding rod 32 connected to the top of the sliding block 28 in a sliding manner through the third sliding rod 32, threaded rods 34 are welded on opposite sides of the sliding block 28 and the mounting plate 33, opposite sides of the two threaded rods 34 are connected with the same internal threaded sleeve 30 through threads with opposite rotation directions, the outer walls of the threaded rods 34 are connected with locknuts 29 through threads, and the outer walls of the third sliding rods 32 are provided with scale marks 31; by arranging the support plate 17 such that the slider 28 is combined with the mounting plate 33 and the internally threaded sleeve 30 and the threaded rod 34 are provided, the height of the mounting plate 33 can be changed, and thus the clamping height of the two sets of clamping portions 3 can be changed, which can be adjusted for shafts of different diameters.
In order to further improve the processing precision, as shown in fig. 2, an infrared emitter 12 is embedded in the inner wall of one of the end face limiting blocks 13, and a light emitting path of the infrared emitter 12 coincides with an axis of the end face limiting block 13; through setting up infrared emission appearance 12, its infrared ray of launching can map out red point on waiting to process the epaxial projection to carry out the axis coincidence with terminal surface stopper 13 and axle with red point at the epaxial projection.
This embodiment is when using, at first places the axle on supporting V template 8, adjusts the mounting panel 33 position through rotating locknut 29 afterwards to guarantee the coincidence of the axis of infrared emission appearance 12 and axle through the infrared ray of infrared emission appearance 12, start driving motor 18 afterwards, drive two sets of clamping parts 3 counter shafts and carry out the centre gripping, drive multidirectional displacement portion 4 and main motor 5 afterwards, the counter shaft carries out the keyway processing can.
Example 2:
a method for machining a tangential keyway of a motor shaft, as shown in fig. 1-6, comprising the following steps:
s1: placing the shaft on the supporting V-shaped plate 8, then opening the infrared emitter 12, and adjusting the height of the clamping part 3 through the hollow cylinder 9 until the position of the red point is positioned at the center of the circle of the peripheral end surface;
s2: starting the driving motor 18 to clamp the shaft;
s3: the multidirectional displacement portion 4 and the main motor 5 are started to perform keyway processing on the shaft.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The machining device for the tangential key groove of the motor shaft comprises a workbench (1) and is characterized in that a clamping driving part (2) is arranged at the top of the workbench (1), clamping parts (3) are in transmission connection with two sides of the clamping driving part (2), the top of the workbench (1) is connected with a lifting plate (7) through a multidirectional displacement part (4), a main motor (5) is fixedly installed on the outer wall of the top of the lifting plate (7), and an output shaft of the main motor (5) is fixedly connected with a milling cutter (6); the clamping part (3) comprises an hollow cylinder (9), an end face limiting block (13) connected to the inside of the hollow cylinder (9) in a sliding mode and clamping jaws (11) connected to the inner wall of the hollow cylinder (9) in a rotating mode through hinged shafts (10), and one end of each clamping jaw (11) is matched with the end face of the end face limiting block (13) in a contact mode.
2. The processing device for the tangential key slot of the motor shaft is characterized in that a first spring (14) is fixedly installed on the inner wall of the hollow cylinder (9), and the other end of the first spring (14) is in contact fit with the clamping jaw (11).
3. The machining device for the tangential key groove of the motor shaft as claimed in claim 1, wherein the clamping portion (3) further comprises a reversing motor (16) and a supporting plate (17), the supporting plate (17) is in transmission fit with the clamping driving portion (2), the reversing motor (16) is fixedly mounted on the outer wall of the supporting plate (17), the hollow cylinder (9) is rotatably connected to the supporting plate (17) through a rotating shaft (15), and an output shaft of the reversing motor (16) is fixedly connected with the rotating shaft (15).
4. The machining device for the tangential key groove of the motor shaft as claimed in claim 1, characterized in that a supporting V-shaped plate (8) is fixedly mounted on the outer wall of the top of the workbench (1).
5. The machining device for the tangential key slot of the motor shaft is characterized in that the clamping driving portion (2) comprises a first sliding rod (19) and a lead screw (20), the first sliding rod (19) is fixed on the outer wall of the top of the workbench (1), the lead screw (20) is rotatably connected to the outer wall of the top of the workbench (1), the two supporting plates (17) are both slidably connected to the outer wall of the first sliding rod (19) and are connected to the outer wall of the lead screw (20) through opposite threads, a driving motor (18) is fixedly installed on the outer wall of one side of the workbench (1), and an output shaft of the driving motor (18) is fixedly connected with the lead screw (20).
6. The machining device for the tangential key slot of the motor shaft is characterized in that the multidirectional displacement portion (4) comprises a transverse linear driving assembly (21) and a longitudinal lifting driving assembly (22), and the transverse linear driving assembly (21) and the longitudinal lifting driving assembly (22) are matched with the lifting plate (7).
7. The machining device for the tangential key groove of the motor shaft as claimed in claim 6, wherein the outer walls of the two sides of the lifting plate (7) are both in sliding fit with a reinforced V-shaped plate (26) through a second sliding rod (24), a limiting plate (23) is fixedly mounted at the end of the second sliding rod (24), and a second spring (25) is sleeved on the outer wall of the second sliding rod (24).
8. The device for machining the tangential keyway of the motor shaft as set forth in claim 7, characterized in that the reinforcing vee (26) has balls (27) rollingly engaged with the inner side wall thereof.
9. The machining device for the tangential key slot of the motor shaft as claimed in claim 5, wherein the support plate (17) comprises a slide block (28) and a slide rod III (32) which is slidably connected to the top of the slide block (28) through the slide rod III (32), threaded rods (34) are fixedly mounted on opposite sides of the slide block (28) and a mounting plate (33), the two opposite sides of the threaded rods (34) are connected with the same internal threaded sleeve (30) through threads with opposite rotation directions, the outer wall of each threaded rod (34) is connected with a lock nut (29) through threads, and scale marks (31) are formed in the outer wall of the slide rod III (32).
10. The machining device for the tangential key slot of the motor shaft as claimed in claim 9, wherein an infrared emitter (12) is embedded in an inner wall of one of the end face stoppers (13), and a light emission path of the infrared emitter (12) coincides with an axis of the end face stopper (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211122281.9A CN115476176A (en) | 2022-09-15 | 2022-09-15 | Machining device and machining method for tangential key groove of motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211122281.9A CN115476176A (en) | 2022-09-15 | 2022-09-15 | Machining device and machining method for tangential key groove of motor shaft |
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| CN115476176A true CN115476176A (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211122281.9A Pending CN115476176A (en) | 2022-09-15 | 2022-09-15 | Machining device and machining method for tangential key groove of motor shaft |
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| CN (1) | CN115476176A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116748904A (en) * | 2023-08-17 | 2023-09-15 | 溧阳市明之盛科技有限公司 | Numerical control multi-surface machining equipment for copper-aluminum composite pole of power battery |
| CN117564828A (en) * | 2023-11-24 | 2024-02-20 | 江苏宏实铜业有限公司 | Copper axle bush surface burnishing and polishing device |
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| CN117564828A (en) * | 2023-11-24 | 2024-02-20 | 江苏宏实铜业有限公司 | Copper axle bush surface burnishing and polishing device |
| CN117564828B (en) * | 2023-11-24 | 2024-05-03 | 江苏宏实铜业有限公司 | Copper axle bush surface burnishing and polishing device |
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