CN111730147B - Internal gear rotary milling machine workbench - Google Patents
Internal gear rotary milling machine workbench Download PDFInfo
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- CN111730147B CN111730147B CN202010700211.1A CN202010700211A CN111730147B CN 111730147 B CN111730147 B CN 111730147B CN 202010700211 A CN202010700211 A CN 202010700211A CN 111730147 B CN111730147 B CN 111730147B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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Abstract
The invention relates to a workbench of an internal gear rotary milling machine.A spindle motor is arranged in a workbench body, a rotor of the spindle motor is tightly sleeved on a spindle, a stator of the spindle motor is fastened on a connecting disc, and the connecting disc is fastened on the workbench body to form a rigid ultrashort transmission chain; the main shaft is fastened on the outer cover; the outer cover is connected with a connecting disc through a flange disc, the connecting disc is connected with a taper outer sleeve through a middle flange, the round flange disc is connected with the taper outer sleeve, a spring chuck is arranged in the taper outer sleeve, a taper ring is arranged outside the spring chuck, and a piston is connected in the outer cover; a circular flange plate is connected in the connecting plate; the long shaft penetrates through the piston and the main shaft, the upper end of the long shaft is connected with a connecting shaft, the upper end of the connecting shaft is connected with a spring chuck, the lower part of the connecting shaft penetrates through the workbench body and is connected with an oil cylinder receiving disc through a connecting sleeve, and a high-speed rotary oil cylinder is arranged in the oil cylinder receiving disc; the connecting shaft is fastened with the tray, and the spring chuck can be tensioned or loosened by pulling the piston; the rotary oil cylinder drives the long shaft to pull the taper sleeve, so that the spring chuck is clamped or loosened, a workpiece is clamped or loosened, and precision cutting is facilitated.
Description
Technical Field
The invention relates to the field of rotary milling machine equipment, in particular to an internal gear rotary milling machine workbench.
Background
When internal gear carries out the milling soon and adds man-hour, need carry out accurate firm clamp with the work piece and fix, be convenient for mill the cutter precision cutting work piece soon, and the work piece dress is on the workstation moreover, the workstation needs to rotate, and the work piece tooth has been taken off moreover, before not cutting the work piece installation, still need clear away iron fillings and greasy dirt outside the workstation, get into the chip removal case, consequently need design a transmission precision height, can accurate firm tight work piece of clamp, the internal gear that is convenient for mill the cutter precision cutting work piece soon mills quick-witted workstation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the workbench of the internal gear rotary milling machine, the workbench is driven to form a rigid ultrashort transmission chain, the transmission precision is high, and meanwhile, the workbench can precisely and firmly clamp a workpiece and is convenient for a rotary milling cutter to precisely cut the workpiece.
The technical solution of the invention is as follows:
a workbench of an internal gear rotary milling machine comprises a workbench body and a workbench drive, wherein the workbench drive comprises a high-speed spindle motor and a spindle, the high-speed spindle motor is arranged in the workbench body, a rotor of the high-speed spindle motor is tightly sleeved on the spindle, a stator of the high-speed spindle motor is arranged in an inner cavity of the workbench body, the stator is fastened on a connecting disc, and the connecting disc is fastened on the workbench body; a lower flange is arranged on the connecting disc, and a radial bearing is arranged in the lower flange to support the lower end of the main shaft; the outer end of the lower flange is provided with an absolute encoder; the main shaft is fastened on the outer cover.
The workpiece clamping assembly comprises a flange plate, a connecting plate, a middle flange, a taper outer sleeve, a spring chuck, a piston, a tray, a circular flange plate, a taper sleeve, a taper ring and a long shaft; the outer cover is fixedly provided with a flange plate, the flange plate is fixedly provided with a middle flange, the middle flange is fixedly provided with a taper outer sleeve, the large-diameter spring chuck is arranged in the taper outer sleeve, and taper rings are arranged among the middle flange, the taper outer sleeve and the spring chuck; a piston is fixed in the outer cover; a circular flange plate is connected inside the connecting plate; the long shaft penetrates through the piston and the main shaft, the upper end of the long shaft is connected with a connecting shaft, and the lower part of the long shaft penetrates through the workbench body; the connecting shaft is fixedly connected with the tray, and the tray, the circular flange plate and the taper ring can be used for tensioning or loosening the spring chuck by pulling the piston to realize that the workpiece is clamped or loosened; the circular flange plate is connected with a taper sleeve, and the taper sleeve is positioned inside the spring chuck; the upper end of the connecting shaft is connected with a spring chuck; the lower part of the long shaft is connected with a connecting sleeve, the lower part of the connecting sleeve is connected with an oil cylinder connecting disc, and a high-speed rotary oil cylinder is connected in the oil cylinder connecting disc.
Preferably, the stator is fastened to the connecting disc by an inner hexagon screw a, and the connecting disc is fastened to the table body by an inner hexagon screw b.
Preferably, a radial thrust ball bearing is mounted at the upper end of the main shaft for supporting; the outer ring of the radial thrust ball bearing is compressed by an upper flange and is fastened on the workbench body by an inner hexagon screw c.
Preferably, the outer cover is fastened with a flange plate through an inner hexagon screw d, the flange plate is fastened with a flange plate through an inner hexagon screw e, the flange plate is fastened with a middle flange through an inner hexagon screw f, and the middle flange is fastened with a taper outer sleeve through an inner hexagon screw g.
Preferably, the main shaft is fastened on the outer cover through an inner hexagon screw h, and the outer cover rotates along with the main shaft; a piston is fixed in the outer cover through a socket head cap screw i, and the lower half part of the piston is sleeved in the main shaft.
Preferably, the connecting shaft is fixedly connected with the tray through a hexagon socket head cap screw j, and the tray is positioned above the piston and inside the receiving disc.
Preferably, the circular flange plate is connected with a taper sleeve through a socket head cap screw k.
Preferably, the lower part of the long shaft is connected with the connecting sleeve through an inner hexagon screw l, the lower part of the connecting sleeve is connected with an oil cylinder receiving disc through an inner hexagon screw m, and the inside of the oil cylinder receiving disc is connected with a high-speed rotary oil cylinder through an inner hexagon screw n.
Preferably, the radial bearing is blocked by an elastic check ring for a hole and is protected by a rotary sealing ring; the radial thrust ball bearing adopts an elastic retainer ring for blocking a hole and is protected by a rotary sealing ring.
Preferably, a phi 4 air duct is formed in the taper sleeve, a phi 1.2 air duct is formed in the circular flange, and scrap iron and oil dirt remaining in the spring chuck are removed; the circumference of the middle flange is provided with an empty groove, and iron chips and cooling oil in the empty groove can be smoothly discharged out of the workbench and enter the chip removal box.
The invention has the beneficial effects that:
a high-speed spindle motor is arranged in a workbench body, a rotor of the high-speed spindle motor is tightly sleeved on a spindle, a stator of the high-speed spindle motor is arranged in an inner cavity of the workbench body and is fastened on a connecting disc, and the connecting disc is fastened on the workbench body to form a rigid ultrashort transmission chain, which is created domestically; in order to ensure the indexing precision of the main shaft of the workpiece, a lower flange is arranged on the connecting disc, and a radial bearing is arranged in the lower flange to support the lower end of the main shaft; an absolute encoder is arranged at the outer end of the lower flange and is used for detecting the indexing precision of the workpiece main shaft, so that the precision is improved.
According to the invention, the tray, the circular flange plate and the taper ring can tension or relax the spring chuck by pulling the piston, so that the workpiece can be precisely and firmly clamped when the spring chuck is tensioned, and the rotary milling cutter can precisely cut the workpiece conveniently. In order to stably realize the clamping or loosening of the spring chuck, the lower end thread of the long shaft passes through the connecting sleeve and the oil cylinder connecting disc and is firmly connected with a high-speed rotary oil cylinder arranged on the oil cylinder connecting disc. The high-speed rotary oil cylinder acts, the taper sleeve at the top of the workbench is pulled by the long shaft, and the spring chuck can clamp or release, so that the workpiece can be clamped or released, and the function can be fully automatic. In addition, phi 4 and phi 1.2 air ducts are arranged on the taper sleeve and the circular flange plate, after the cutting teeth of the workpiece are taken down, a plurality of strands of gas impact exist before the uncut workpiece is installed, and the iron chips and the oil stains remained in the spring chuck are removed. In the cutting process of an internal gear workpiece, a large amount of scrap iron and cooling oil are smoothly discharged outside a workbench and enter a chip removal box through eight equal empty grooves formed in the periphery of a middle flange.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Detailed Description
In the embodiment, referring to fig. 1 and 2, an internal gear rotary milling machine workbench comprises a workbench body 41 and a workbench drive, wherein 8M 16 × 20 hexagon socket head cap screws o40 are circumferentially arranged on the workbench body 41 so as to mount the workbench body 41 on a main machine table of a rotary milling machine.
The workbench drive comprises a 1FE1082-6W built-in high-speed spindle motor 37 and a spindle 36, the high-speed spindle motor 37 is arranged in the workbench body 41, a rotor of the high-speed spindle motor 37 is tightly sleeved on the spindle 36, a stator of the high-speed spindle motor 37 is arranged in the inner cavity of the workbench body 41, the stator is fastened on a connecting disc 45, and the connecting disc 45 is fastened on the workbench body 41; in order to ensure the indexing accuracy of the workpiece spindle 36, a lower flange 52 is mounted on the connecting disc 45, and a 65X 100X 16 radial bearing 47 is mounted in the lower flange 52 to support the lower end of the spindle 36; the outer end of the lower flange 52 is provided with a phi 50 absolute encoder 50, and the absolute encoder 50 is used for detecting the indexing precision of the workpiece spindle 36; the spindle 36 is fastened to the housing 7.
The workpiece clamping device comprises a workpiece clamping assembly, a clamping head and a clamping head, wherein the workpiece clamping assembly comprises a flange plate 6, a connecting plate 1, a middle flange 2, a taper outer sleeve 3, a spring chuck 4, a piston 31, a tray 9, a circular flange plate 12, a taper sleeve 14, a taper ring 19 and a long shaft 38; a flange plate 6 is fastened on the outer cover 7, a flange plate 1 is fastened on the flange plate 6, a middle flange 2 is fastened on the flange plate 1, a taper outer sleeve 3 is fastened on the middle flange 2, a large-diameter spring chuck 4 is installed in the taper outer sleeve 3, and a taper ring 19 is installed among the middle flange 2, the taper outer sleeve 3 and the spring chuck 4; a piston 31 is fixed in the outer cover; a circular flange plate 12 is connected inside the connecting plate 1; the long shaft 38 penetrates through the piston 31 and the main shaft 36, a gasket 29 is arranged outside the long shaft 38 and between the piston 31 and the tray 9, the upper end of the long shaft 38 is connected with the connecting shaft 16, and the lower part of the long shaft 38 penetrates through the workbench body 41; the connecting shaft 16 is fixedly connected with the tray 9, and the tray 9, the circular flange plate 12 and the taper ring 19 can tension or loosen the spring chuck 4 by pulling the piston 31, so that the workpiece 5 can be clamped or loosened; the circular flange plate 12 is connected with a taper sleeve 14, and the taper sleeve 14 is positioned inside the spring chuck 4; the upper end of the connecting shaft 16 is connected with a spring chuck 4; the lower part of the long shaft 38 is connected with a connecting sleeve 43, the lower part of the connecting sleeve 43 is connected with an oil cylinder connecting disc 44, and a high-speed rotary oil cylinder 51 is connected in the oil cylinder connecting disc 44.
The stator is fastened on the connecting disc 45 by 8M 6 × 16 socket head cap screws a53, the connecting disc 45 is fastened on the worktable body 41 by 6M 8 × 45 socket head cap screws b46, and the connecting disc 45 is fastened and connected with the stator of the high-speed spindle motor 37 by 8M 6 × 16 socket head cap screws p 54.
The upper end of the main shaft 36 is provided with 3 radial thrust ball bearings 33 with the diameters of 110, 150 and 20 for supporting; the outer ring of the radial thrust ball bearing 33 is pressed by an upper flange 28 and fastened on the workbench body 41 by 4M 8 × 25 socket head cap screws c32, and a gasket 30 is arranged between the upper flange 28 and the outer cover 7.
The outer cover 7 is fastened with a flange plate 6 through 6M 16X 40 hexagon socket head cap screws d27, the flange plate 6 is fastened with a flange plate 1 through 6M 10X 60 hexagon socket head cap screws e26, the flange plate 1 is fastened with a middle flange 2 through 6M 12X 30 hexagon socket head cap screws f24, and the middle flange 2 is fastened with a taper outer sleeve 3 through 6M 8X 20 hexagon socket head cap screws g 11.
The spindle 36 is fastened on the outer cover 7 through 6M 10X 55 hexagon socket head cap screws h15, and the outer cover 7 rotates along with the spindle 36; a piston 31 is fixed in the outer cover through a socket head cap screw i17, and the lower half part of the piston is sleeved in the main shaft 36.
The connecting shaft 16 is tightly connected with the tray 9 through a hexagon socket screw j13, and the tray 9 is positioned above the piston and inside the receiving disc 1.
The circular flange plate 12 is connected with a taper sleeve 14 through 12M 6X 25 socket head cap screws k 18.
The lower part of the long shaft 38 is connected with a connecting sleeve 43 through an inner hexagon screw l42, the lower part of the connecting sleeve 43 is connected with an oil cylinder connecting disc 44 through an inner hexagon screw m, and an RK-7N high-speed rotary oil cylinder 51 is connected in the oil cylinder connecting disc 44 through an inner hexagon screw N49.
A gasket 39 is arranged between the radial bearing 47 and the connecting disc 45; the radial bearing 47 is blocked by a circlip 53 for a hole and is protected by a rotary sealing ring 48 of 80 multiplied by 100 multiplied by 10; the radial thrust ball bearing 33 is blocked with a circlip 35 for the bore and is protected by a 120 x 150 x 12 rotary seal 34.
A phi 4 air duct is formed in the taper sleeve 14, a phi 1.2 air duct is formed in the circular flange 12, and scrap iron and oil dirt remaining in the spring chuck 4 are removed; after the gear cutting of the workpiece is finished, and before the workpiece is not cut and installed, multiple strands of gas impact occurs, and scrap iron and oil dirt remaining in the spring chuck 4 are removed.
The connecting disc 1 is uniformly distributed with 6 groups of radial oil plug holes in the circumferential direction, the oil plug holes are communicated with the air passage on the circular flange disc 12, and each group of oil plug holes is internally provided with a group of M5X 10 oil plugs 8; the hollow groove has been seted up to well flange 2's circumference, and in the internal gear work piece cutting process, a large amount of iron fillings and cooling oil have been opened through well flange 2 circumference and have eight equant hollow grooves, arrange outside the workstation smoothly, get into the chip removal case.
The working principle of the invention is as follows: the high-speed spindle motor drives the rotor to move, the rotor drives the spindle to rotate, so that the outer cover rotates and the piston rotates, records in data are provided (the tray 9, the circular flange plate 12 and the taper ring 19 can tension or loosen the spring chuck 4 through pulling of the piston 31 to clamp or loosen a workpiece 5, threads at the lower end of the long shaft pass through the connecting sleeve, the lower end of the long shaft is connected with the oil cylinder connecting plate under the connecting sleeve and firmly connected with the high-speed rotary oil cylinder arranged on the oil cylinder connecting plate, and the spring chuck 4 can be clamped or loosened only by the action of the high-speed rotary oil cylinder when the long shaft pulls the taper sleeve at the top of the workbench to clamp or loosen the workpiece.
The above embodiments are intended to describe the present invention further, but should not be construed as limiting the scope of the present invention, and those skilled in the art will be able to make modifications and adaptations in accordance with the above disclosure without departing from the essential scope of the present invention.
Claims (10)
1. The utility model provides an internal gear rotary milling machine workstation, includes the workstation body (41) and workstation drive, the workstation drive includes high-speed spindle motor (37) and main shaft (36), workstation body (41) inside has installed high-speed spindle motor (37), and the rotor of high-speed spindle motor (37) is tightly overlapped on main shaft (36), and the stator of high-speed spindle motor (37) is installed in workstation body (41) inner chamber, its characterized in that: the stator is fastened on a connecting disc (45), and the connecting disc (45) is fastened on the workbench body (41); a lower flange (52) is arranged on the connecting disc (45), and a radial bearing (47) is arranged in the lower flange (52) to support the lower end of the main shaft (36); an absolute encoder (50) is arranged at the outer end of the lower flange (52); the main shaft (36) is fastened on the outer cover (7);
the workpiece clamping device comprises a workpiece clamping assembly, wherein the workpiece clamping assembly comprises a flange plate (6), a connecting plate (1), a middle flange (2), a taper outer sleeve (3), a spring chuck (4), a piston (31), a tray (9), a circular flange plate (12), a taper sleeve (14), a taper ring (19) and a long shaft (38); a flange plate (6) is fixedly fastened on the outer cover (7), a flange plate (1) is fixedly fastened on the flange plate (6), a middle flange (2) is fixedly fastened on the flange plate (1), a taper outer sleeve (3) is fixedly fastened on the middle flange (2), a large-diameter spring chuck (4) is installed in the taper outer sleeve (3), and taper rings (19) are installed among the middle flange (2), the taper outer sleeve (3) and the spring chuck (4); a piston (31) is fixed in the outer cover; a circular flange plate (12) is connected inside the flange plate (1); the long shaft (38) penetrates through the piston (31) and the main shaft (36), the upper end of the long shaft (38) is connected with a connecting shaft (16), and the lower part of the long shaft (38) penetrates through the workbench body (41); the connecting shaft (16) is fixedly connected with the tray (9), and the tray (9), the circular flange plate (12) and the taper ring (19) can be tensioned or loosened by pulling the piston (31) to clamp or loosen the spring chuck (4) so as to clamp or loosen the workpiece (5); the circular flange plate (12) is connected with a taper sleeve (14), and the taper sleeve (14) is positioned inside the spring chuck (4); the upper end of the connecting shaft (16) is connected with a spring chuck (4); the lower part of the long shaft (38) is connected with a connecting sleeve (43), the lower part of the connecting sleeve (43) is connected with an oil cylinder connecting disc (44), and a high-speed rotary oil cylinder (51) is connected in the oil cylinder connecting disc (44).
2. The internal gear rotary milling machine workstation of claim 1, wherein: the stator is fastened on the connecting disc (45) by adopting an inner hexagonal screw a (53), and the connecting disc (45) is fastened on the workbench body (41) by adopting an inner hexagonal screw b (46).
3. The internal gear rotary milling machine workstation of claim 1, wherein: a radial thrust ball bearing (33) is mounted at the upper end of the main shaft (36) for supporting; the outer ring of the radial thrust ball bearing (33) is pressed by an upper flange (28) and is fastened on the workbench body (41) by an inner hexagonal screw c (32).
4. The internal gear rotary milling machine workstation of claim 1, wherein: the outer cover (7) is fastened with a flange plate (6) through an inner hexagon screw d (27), the flange plate (6) is fastened with a flange plate (1) through an inner hexagon screw e (26), the flange plate (1) is fastened with a middle flange (2) through an inner hexagon screw f (24), and the middle flange (2) is fastened with a taper outer sleeve (3) through an inner hexagon screw g (11).
5. The internal gear rotary milling machine workbench according to claim 1, wherein: the spindle (36) is fastened on the outer cover (7) through a socket head cap screw h (15), and the outer cover (7) rotates along with the spindle (36); a piston (31) is fixed in the outer cover through a socket head cap screw i (17), and the lower half part of the piston is sleeved in a main shaft (36).
6. The internal gear rotary milling machine workbench according to claim 1, wherein: the connecting shaft (16) is fixedly connected with the tray (9) through a hexagon socket head cap screw j (13), and the tray (9) is located above the piston and inside the receiving disc (1).
7. The internal gear rotary milling machine workstation of claim 1, wherein: the circular flange plate (12) is connected with a taper sleeve (14) through an inner hexagon screw k (18).
8. The internal gear rotary milling machine workstation of claim 1, wherein: the lower part of the long shaft (38) is connected with a connecting sleeve (43) through an inner hexagon screw l (42), the lower part of the connecting sleeve (43) is connected with an oil cylinder flange (44) through an inner hexagon screw m, and the inside of the oil cylinder flange (44) is connected with a high-speed rotary oil cylinder (51) through an inner hexagon screw n (49).
9. The internal gear rotary milling machine workbench according to claim 3, wherein: the radial bearing (47) is blocked by an elastic retainer ring (53) for a hole and is protected by a rotary sealing ring (48); the radial thrust ball bearing (33) is blocked by an elastic retainer ring (35) through a hole and is protected by a rotary sealing ring (34).
10. The internal gear rotary milling machine workstation of claim 1, wherein: a phi 4 air duct is formed in the taper sleeve (14), a phi 1.2 air duct is formed in the circular flange plate (12), and scrap iron and oil dirt remaining in the spring chuck (4) are removed; the circumference of the middle flange (2) is provided with an empty groove, and iron chips and cooling oil in the empty groove can be smoothly discharged out of the workbench and enter the chip removal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700211.1A CN111730147B (en) | 2020-07-20 | 2020-07-20 | Internal gear rotary milling machine workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700211.1A CN111730147B (en) | 2020-07-20 | 2020-07-20 | Internal gear rotary milling machine workbench |
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| Publication Number | Publication Date |
|---|---|
| CN111730147A CN111730147A (en) | 2020-10-02 |
| CN111730147B true CN111730147B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010700211.1A Active CN111730147B (en) | 2020-07-20 | 2020-07-20 | Internal gear rotary milling machine workbench |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114812693A (en) * | 2022-05-27 | 2022-07-29 | 武汉东方骏驰精密制造有限公司 | OSS high-speed multi-size detector |
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| CN201969885U (en) * | 2010-12-10 | 2011-09-14 | 陈志长 | Novel main shaft component |
| CN203197403U (en) * | 2013-03-12 | 2013-09-18 | 无锡瑞圣机械科技有限公司 | Deburring tool |
| CN104439547A (en) * | 2014-11-25 | 2015-03-25 | 常州市印宝镍网有限公司 | Gear locating clamp |
| CN105499711A (en) * | 2016-01-08 | 2016-04-20 | 三峡大学 | Symmetrical cylindrical rack and gear slotting machining device and method |
| CN105562839A (en) * | 2016-02-29 | 2016-05-11 | 西安贝吉姆机床股份有限公司 | Rotating workbench for worm grinding wheel gear grinding machine |
| CN110899733A (en) * | 2019-12-08 | 2020-03-24 | 深圳市爱贝科精密机械有限公司 | Direct-coupled mechanical main shaft |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106715013B (en) * | 2014-09-05 | 2019-07-09 | 格里森工场 | Machine shaft with liftout attachment |
-
2020
- 2020-07-20 CN CN202010700211.1A patent/CN111730147B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201969885U (en) * | 2010-12-10 | 2011-09-14 | 陈志长 | Novel main shaft component |
| CN203197403U (en) * | 2013-03-12 | 2013-09-18 | 无锡瑞圣机械科技有限公司 | Deburring tool |
| CN104439547A (en) * | 2014-11-25 | 2015-03-25 | 常州市印宝镍网有限公司 | Gear locating clamp |
| CN105499711A (en) * | 2016-01-08 | 2016-04-20 | 三峡大学 | Symmetrical cylindrical rack and gear slotting machining device and method |
| CN105562839A (en) * | 2016-02-29 | 2016-05-11 | 西安贝吉姆机床股份有限公司 | Rotating workbench for worm grinding wheel gear grinding machine |
| CN110899733A (en) * | 2019-12-08 | 2020-03-24 | 深圳市爱贝科精密机械有限公司 | Direct-coupled mechanical main shaft |
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| CN111730147A (en) | 2020-10-02 |
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