CN113385995B - High-precision outer circle grinding machine for gear machining - Google Patents
High-precision outer circle grinding machine for gear machining Download PDFInfo
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- CN113385995B CN113385995B CN202110943916.0A CN202110943916A CN113385995B CN 113385995 B CN113385995 B CN 113385995B CN 202110943916 A CN202110943916 A CN 202110943916A CN 113385995 B CN113385995 B CN 113385995B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of gear machining, in particular to a high-precision excircle grinding machine for gear machining, which comprises a machine body, a first adjusting stud, a control seat, a rotating wheel, a driving motor, a transmission case, a grinding disc, a guide rail plate, a fixed seat, a clamping plate, a base plate, a rotating seat and a hydraulic cylinder, wherein the rotating wheel and the control seat are both arranged on the front side of the machine body, the driving motor is arranged on the rear side of the top of the machine body, one end of the transmission case is provided with the grinding disc, the other end of the transmission case is connected with the driving motor, the guide rail plate is arranged on one side of the top of the machine body adjacent to the grinding disc, two ends of the guide rail plate are provided with the hydraulic cylinder in a sliding manner, the clamping plate is arranged on the output end of the hydraulic cylinder, the fixed seat is arranged in the middle of the guide rail plate, the rotating seat is arranged on the top of the fixed seat, an adjusting mechanism is arranged between the bottom of the rotating seat and the rotating seat, the base plate is arranged on the top of the rotating seat, and the hydraulic cylinder, a gear clamping mechanism is arranged between the base plate and the hydraulic cylinder, the gear machining speed is improved by convenient adjustment.
Description
Technical Field
The invention relates to the technical field of gear machining, in particular to a high-precision outer circle grinding machine for gear machining.
Background
The cylindrical grinding machine is used for machining the outer surface and the shaft shoulder end surface formed by the cylindrical, conical or other-shaped plain lines of a workpiece, and the gear machining high-precision cylindrical grinding machine is equipment for grinding burrs at the outer circle of a gear and is widely used in the field of gear machining.
When an existing gear cylindrical grinding machine works, two surfaces of a gear need to be polished step by step, manual turning and clamping are needed in the machining process, and therefore polishing of the gear needs to be finished continuously, more time needs to be consumed, and the polishing speed of the gear is affected.
Disclosure of Invention
The invention aims to solve the defects that manual turning is needed when the gear excircle is ground and the processing speed is influenced in the prior art, and provides a high-precision excircle grinding machine for gear processing.
In order to achieve the purpose, the invention adopts the following technical scheme:
design a gear machining uses high accuracy excircle grinding machine, including organism, first regulation double-screw bolt, control holder, runner, driving motor, transmission case, mill, guide rail board, fixing base, splint, base plate, rotation seat and pneumatic cylinder, the runner with the control holder is all installed the organism front side, driving motor installs in organism top rear side, just transmission case one end is installed the mill, the other end with driving motor meets, the guide rail board is installed in the organism top with the adjacent one side of mill, just guide rail board both ends slidable mounting has the pneumatic cylinder, first regulation double-screw bolt is installed at guide rail board both ends, just the first regulation double-screw bolt other end all meets with corresponding the pneumatic cylinder, splint are installed on the output of pneumatic cylinder, the fixing base is installed guide rail board middle part, the rotation seat is installed the fixing base top, an adjusting mechanism is arranged between the bottom of the rotating seat and the rotating wheel, the base plate is arranged at the top of the rotating seat, and a gear clamping mechanism is arranged between the base plate and the hydraulic cylinder;
the adjusting mechanism comprises a first bevel gear, a first rotating shaft, a second bevel gear, a driven gear, a driving wheel, a semi-toothed ring, a third rotating shaft and a second rotating shaft, one end of the first rotating shaft is fixedly arranged at the bottom of the rotating seat, the first bevel gear is arranged at the other end of the first rotating shaft, the second rotating shaft is rotatably arranged in the machine body, and the second bevel gear and the driven gear are respectively and fixedly arranged at two ends of the second rotating shaft, the second bevel gear is meshed with the first bevel gear, the third rotating shaft is arranged on the side wall of the machine body in a penetrating way, one end of the third rotating shaft is connected with the rotating wheel, the driving wheel is arranged at the other end of the third rotating shaft, and the half-gear ring is clamped on the driving wheel, and the half-gear ring is meshed with the driven gear.
Preferably, a dust collecting mechanism is installed on the machine body and comprises a dust collecting box and a dust collecting plate, the dust collecting plate is installed below the grinding disc, the dust collecting box is installed below the dust collecting plate, and the dust collecting box is communicated with the dust collecting plate.
Preferably, gear fixture includes mounting groove, fore-set, second adjusting stud and installation piece, the mounting groove is seted up on the base plate, just the mounting groove is the rectangular channel, installation piece slidable mounting is in inside the mounting groove, the second adjusting stud runs through to be installed the mounting groove both ends, just the second adjusting stud is located the inside part of mounting groove with the installation piece rotates to be connected, the fore-set is fixed the installation piece left and right sides.
Preferably, the magnetic discs are mounted on the left side and the right side of the mounting block, and the positions of the magnetic discs correspond to the positions of the jacking columns.
Preferably, the upper side and the lower side of the mounting groove are both provided with clamping grooves, the upper side and the lower side of the mounting block are both provided with clamping blocks, the positions of the clamping blocks correspond to the positions of the clamping grooves, and the cross-sectional sizes of the clamping grooves are matched with the cross-sectional sizes of the clamping blocks.
Preferably, a rubber pad is bonded on one side of the clamping plate opposite to the hydraulic cylinder.
Preferably, the rotating wheel is provided with a handle.
Preferably, a protective shell is arranged on the outer side of the grinding disc.
The invention provides a high-precision outer circle grinding machine for gear machining, which has the beneficial effects that:
1. the grinding disc is driven to rotate by the driving motor, the transmission box and the grinding disc which are arranged on the machine body, and the gear is clamped by the hydraulic cylinder and the base plate which are arranged on the guide rail, so that the gear grinding mechanism is convenient to finish.
2. Through the adjustment mechanism who installs between runner and rotation seat, conveniently accomplish the regulation to rotating the seat angle to drive the position control of gear, be convenient for accomplish the switching to the gear machined surface, improve the process velocity of gear.
Drawings
FIG. 1 is a schematic front perspective view of a high-precision peripheral grinding machine for gear machining according to the present invention;
FIG. 2 is a schematic diagram of a back side three-dimensional structure of a high-precision outer circle grinding machine for gear machining according to the present invention;
FIG. 3 is a schematic structural view of a guide rail of a high-precision grinding machine for gear machining according to the present invention;
FIG. 4 is an exploded view of an adjusting mechanism of a high-precision grinding machine for gear machining according to the present invention;
fig. 5 is a schematic diagram of the internal structure of a substrate of a high-precision peripheral grinding machine for gear machining according to the present invention.
In the figure: the device comprises a machine body 1, a rotating wheel 2, a driving motor 3, a transmission case 4, a grinding disc 5, a protective shell 6, a guide rail plate 7, a first adjusting stud 8, a hydraulic cylinder 9, a fixed seat 10, a clamping plate 11, a base plate 12, a rotating seat 13, a top column 14, a magnetic disc 15, a second adjusting stud 16, a first bevel gear 17, a first rotating shaft 18, a second bevel gear 19, a driven gear 20, a driving wheel 21, a half-tooth ring 22, a handle 23, a third rotating shaft 24, an installation block 25, a clamping block 26, a clamping groove 27, a dust collection box 28, a dust collection plate 29, a control seat 30, a second rotating shaft 31 and an installation groove 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-5, a high-precision excircle grinding machine for gear machining, comprising a machine body 1, a control seat 30, a rotating wheel 2, a driving motor 3, a transmission case 4, a grinding disc 5, a guide rail plate 7, a fixed seat 10, a clamping plate 11, a base plate 12, a rotating seat 13 and a hydraulic cylinder 9, wherein the rotating wheel 2 and the control seat 30 are both installed on the front side of the machine body 1, the driving motor 3 is installed on the rear side of the top of the machine body 1, the grinding disc 5 is installed at one end of the transmission case 4, the other end of the transmission case is connected with the driving motor 3, the guide rail plate 7 is installed on the top of the machine body 1 adjacent to the grinding disc 5, a protective shell 6 is installed on the outer side of the grinding disc 5, which is convenient for collecting scraps and preventing the scraps from splashing, the hydraulic cylinder 9 is installed at two ends of the guide rail plate 7 in a sliding manner, first adjusting studs 8 are installed at two ends of the guide rail plate 7, the other ends of the first adjusting studs 8 are both connected with the hydraulic cylinder 9, the clamping plate 11 is installed at the output end of the hydraulic cylinder 9, the fixed seat 10 is installed in the middle of the guide rail plate 7, the rotating seat 13 is installed at the top of the fixed seat 10, an adjusting mechanism is installed between the bottom of the rotating seat 13 and the runner 2, the adjusting mechanism includes a first bevel gear 17, a first rotating shaft 18, a second bevel gear 19, a driven gear 20, a driving wheel 21, a half-toothed ring 22, a third rotating shaft 24 and a second rotating shaft 31, one end of the first rotating shaft 18 is fixedly installed at the bottom of the rotating seat 13, the first bevel gear 17 is installed at the other end of the first rotating shaft 18, the second rotating shaft 31 is rotatably installed inside the machine body 1, the second bevel gear 19 and the driven gear 20 are respectively fixedly installed at two ends of the second rotating shaft 31, the second bevel gear 19 is engaged with the first bevel gear 17, the third rotating shaft 24 is installed on the side wall of the machine body 1 in a penetrating manner, one end of the third rotating shaft 24 is connected with the runner 2, and the driving wheel 21 is installed at the other end of the third rotating shaft 24, and half ring gear 22 joint is on action wheel 21, and half ring gear 22 meshes with driven gear 20 mutually, it drives half ring gear 22 to rotate to improve the rotation of runner 2, thereby drive action wheel 21 and rotate, can drive driven gear 20 and rotate, thereby drive second bevel gear 19 and rotate, finally drive first bevel gear 17 and first axis of rotation 18 and rotate, thereby can drive and rotate seat 13 and rotate, and when runner 2 rotated the round, first axis of rotation 18 rotated the half-turn, thereby accomplish the regulation of treating the processing gear angle, splint 11 all bonds with the rubber pad with the one side relative with pneumatic cylinder 9, prevent to treat the processing gear and cause the damage, install handle 23 on runner 2, the convenient rotation regulation to runner 2.
The base plate 12 is installed at the top of the rotating seat 13, the gear clamping mechanism is installed between the base plate 12 and the hydraulic cylinder 9 and comprises an installation groove 32, a top column 14, a second adjusting stud 16 and an installation block 25, the installation groove 32 is formed in the base plate 12, the installation groove 32 is a rectangular groove, the installation block 25 is installed inside the installation groove 32 in a sliding mode, the second adjusting stud 16 penetrates through two ends of the installation groove 32, the part, located inside the installation groove 32, of the second adjusting stud 16 is rotatably connected with the installation block 25, the top column 14 is fixed on the left side and the right side of the installation block 25, clamping of the gear to be processed is conveniently completed, magnetic discs 15 are installed on the left side and the right side of the installation block 25, the positions of the magnetic discs 15 correspond to the positions of the top columns 14, installation stability of the gear to be processed can be improved, clamping grooves 27 are formed in the upper side and the lower side of the installation groove 32, and clamping blocks 26 are installed on the upper side and the lower side of the installation block 25, the position of the fixture block 26 corresponds to the position of the fixture groove 27, the sectional dimension of the fixture groove 27 is matched with the sectional dimension of the fixture block 26, and the fixture stability between the moving block 25 and the base plate 12 is improved by clamping the fixture block 26 and the fixture groove 27.
The working principle is as follows: the grinding disc 5 is driven to rotate by a driving motor 3 and a transmission case 4 which are arranged on a machine body 1, meanwhile, the position of a hydraulic rod 9 is adjusted by a first adjusting stud 8, so that a clamping plate 11 finishes clamping and fixing of a gear to be machined, the clamping stability of the gear to be machined is improved by a top column 14 which is fixed on two sides of a moving block 25 which is arranged on a base plate 12, the position of a moving block 15 is adjusted and fixed by a second adjusting stud 16, after the single-side grinding of the gear to be machined is finished, a rotating wheel 2 is rotated, the rotating wheel 2 drives a third rotating shaft 24 to rotate, the third rotating shaft 24 drives a rotating wheel 21 to rotate, a half-gear ring 22 which is arranged on the rotating wheel 21 is meshed with a driven gear 20 to drive the driven gear 20 to rotate, so that a driven gear 29 drives a second rotating shaft 31 to rotate, the second rotating shaft 31 drives a second bevel gear 19 to rotate, and the second bevel gear 19 drives a first bevel gear 17 to rotate, the first bevel gear 17 drives the first rotating shaft 18 to rotate, so that the rotating seat 13 is driven to rotate, and when the rotating wheel 2 rotates for a circle, the rotating seat 13 rotates for a half circle, so that the reverse operation of the gear to be processed is completed, the subsequent polishing processing is convenient to complete, and the processing speed of the gear is increased.
Example 2
Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that a dust collecting mechanism is installed on the machine body 1, the dust collecting mechanism includes a dust collecting box 28 and a dust collecting plate 29, the dust collecting plate 29 is installed below the grinding disc 5, the dust collecting box 28 is installed below the dust collecting plate 29, the dust collecting box 28 is communicated with the dust collecting plate 29, the dust collecting plate 29 is integrally and obliquely arranged, the oblique lower end faces the communicating part of the dust collecting box 28 and the dust collecting plate 29, and a fan is installed on the dust collecting box 28, so as to collect burr and waste chips accumulated on the dust collecting plate 29 and prevent the waste chips from splashing.
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 (8)
1. A high-precision excircle grinding machine for gear machining is characterized by comprising a machine body (1), a first adjusting stud (8), a control seat (30), a rotating wheel (2), a driving motor (3), a transmission case (4), a grinding disc (5), a guide rail plate (7), a fixing seat (10), a clamping plate (11), a base plate (12), a rotating seat (13) and hydraulic cylinders (9), wherein the rotating wheel (2) and the control seat (30) are installed on the front side of the machine body (1), the driving motor (3) is installed on the rear side of the top of the machine body (1), one end of the transmission case (4) is provided with the grinding disc (5), the other end of the transmission case is connected with the driving motor (3), the guide rail plate (7) is installed on one side of the top of the machine body (1) adjacent to the grinding disc (5), and the hydraulic cylinders (9) are installed at the two ends of the guide rail plate (7) in a sliding manner, the first adjusting studs (8) are mounted at two ends of the guide rail plate (7), the other ends of the first adjusting studs (8) are connected with the corresponding hydraulic cylinders (9), the clamping plate (11) is mounted at the output end of the hydraulic cylinders (9), the fixing seat (10) is mounted in the middle of the guide rail plate (7), the rotating seat (13) is mounted at the top of the fixing seat (10), an adjusting mechanism is mounted between the bottom of the rotating seat (13) and the rotating wheel (2), the base plate (12) is mounted at the top of the rotating seat (13), and a gear clamping mechanism is mounted between the base plate (12) and the hydraulic cylinders (9);
the adjusting mechanism comprises a first bevel gear (17), a first rotating shaft (18), a second bevel gear (19), a driven gear (20), a driving wheel (21), a semi-toothed ring (22), a third rotating shaft (24) and a second rotating shaft (31), one end of the first rotating shaft (18) is fixedly installed at the bottom of the rotating seat (13), the first bevel gear (17) is installed at the other end of the first rotating shaft (18), the second rotating shaft (31) is rotatably installed inside the machine body (1), the second bevel gear (19) and the driven gear (20) are respectively and fixedly installed at two ends of the second rotating shaft (31), the second bevel gear (19) is meshed with the first bevel gear (17), the third rotating shaft (24) is installed on the side wall of the machine body (1) in a penetrating manner, and one end of the third rotating shaft (24) is connected with the rotating wheel (2), the driving wheel (21) is arranged at the other end of the third rotating shaft (24), the half gear ring (22) is clamped on the driving wheel (21), and the half gear ring (22) is meshed with the driven gear (20).
2. The high-precision external circular grinding machine for gear machining is characterized in that a dust collection mechanism is mounted on the machine body (1), the dust collection mechanism comprises a dust collection box (28) and a dust collection plate (29), the dust collection plate (29) is mounted below the grinding disc (5), the dust collection box (28) is mounted below the dust collection plate (29), and the dust collection box (28) is communicated with the dust collection plate (29).
3. The high-precision outer circle grinding machine for gear machining is characterized in that the gear clamping mechanism comprises a mounting groove (32), a top column (14), a second adjusting stud (16) and a mounting block (25), the mounting groove (32) is formed in the base plate (12), the mounting groove (32) is a rectangular groove, the mounting block (25) is slidably mounted inside the mounting groove (32), the second adjusting stud (16) is mounted at two ends of the mounting groove (32) in a penetrating mode, the portion, located inside the mounting groove (32), of the second adjusting stud (16) is rotatably connected with the mounting block (25), and the top column (14) is fixed on the left side and the right side of the mounting block (25).
4. The high-precision peripheral grinding machine for gear processing according to claim 3, characterized in that magnetic disks (15) are mounted on the left and right sides of the mounting block (25), and the positions of the magnetic disks (15) correspond to the positions of the top columns (14).
5. The high-precision peripheral grinding machine for gear machining according to claim 3, characterized in that clamping grooves (27) are formed in the upper side and the lower side of the mounting groove (32), clamping blocks (26) are mounted on the upper side and the lower side of the mounting block (25), the positions of the clamping blocks (26) correspond to the positions of the clamping grooves (27), and the cross-sectional dimension of the clamping grooves (27) is matched with the cross-sectional dimension of the clamping blocks (26).
6. The high-precision peripheral grinding machine for gear processing as claimed in claim 1, characterized in that a rubber pad is bonded to the side of the clamping plate (11) opposite to the hydraulic cylinder (9).
7. A high-precision peripheral grinding machine for gear processing according to claim 1, characterized in that a handle (23) is mounted on the wheel (2).
8. The high-precision external circular grinding machine for gear processing according to claim 1, characterized in that a protective shell (6) is installed outside the grinding disc (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110943916.0A CN113385995B (en) | 2021-08-17 | 2021-08-17 | High-precision outer circle grinding machine for gear machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110943916.0A CN113385995B (en) | 2021-08-17 | 2021-08-17 | High-precision outer circle grinding machine for gear machining |
Publications (2)
| Publication Number | Publication Date |
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| CN113385995A CN113385995A (en) | 2021-09-14 |
| CN113385995B true CN113385995B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110943916.0A Active CN113385995B (en) | 2021-08-17 | 2021-08-17 | High-precision outer circle grinding machine for gear machining |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100997592B1 (en) * | 2008-05-13 | 2010-12-07 | 박용진 | The equipment grander of inside-reverence diameter and surface |
| KR20140105636A (en) * | 2013-02-22 | 2014-09-02 | 심준형 | A buffing machine for a mobile case |
| CN103418852B (en) * | 2013-07-20 | 2016-08-31 | 佛山市迈雷特数控技术有限公司 | New and effective numerically controlled tooth grinding machine |
| CN205520787U (en) * | 2016-02-04 | 2016-08-31 | 常州轻工职业技术学院 | Automatic excircle grinding machine |
| CN212071432U (en) * | 2020-04-03 | 2020-12-04 | 新昌县明宇轴承有限公司 | Cylindrical grinder is used in bearing processing |
| CN212094441U (en) * | 2020-04-09 | 2020-12-08 | 铜陵佳友科技有限公司 | Drilling equipment is used in production and processing of axle sleeve class machine parts |
| CN212918727U (en) * | 2020-07-22 | 2021-04-09 | 新昌县金晓轴承有限公司 | Bearing ring inner hole polishing equipment |
| CN213105898U (en) * | 2020-07-28 | 2021-05-04 | 苏州思铭普精密科技有限公司 | Cylindrical grinder for linear motor machining |
| CN112476158B (en) * | 2020-12-09 | 2022-02-01 | 雄名航空科工（芜湖）股份有限公司 | Integrated three-body end-toothed disc |
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