CN110497325B - Coarse grinding and fine grinding integrated grinding wheel for grinding stainless steel bearing - Google Patents
Coarse grinding and fine grinding integrated grinding wheel for grinding stainless steel bearing Download PDFInfo
- Publication number
- CN110497325B CN110497325B CN201910878469.8A CN201910878469A CN110497325B CN 110497325 B CN110497325 B CN 110497325B CN 201910878469 A CN201910878469 A CN 201910878469A CN 110497325 B CN110497325 B CN 110497325B
- Authority
- CN
- China
- Prior art keywords
- grinding
- block
- movable block
- arc
- plate
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/14—Zonally-graded wheels; Composite wheels comprising different abrasives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A coarse grinding and fine grinding integrated grinding wheel for grinding a stainless steel bearing relates to a grinding wheel, wherein a plurality of vertical plates (11) extending outwards along the center of a cylinder body (10) are arranged on the outer edge surface of the cylinder body (10) at intervals, supporting plates (12) extending towards the center of the cylinder body (10) are respectively arranged on the inner edge surface of the cylinder body (10) and the positions corresponding to the vertical plates (11), and a pipe body (14) penetrates through the cylinder body (10) and is provided with ridge protruding strips (15) which are positioned at the intersection of a spring plate A (4) and a spring plate B (5); the movable block A and the movable block B are respectively arranged between two adjacent vertical plates on the frame body, the movable block A and the movable block B are connected with the frame body by the spring plate A and the spring plate B, and the movable block A or the movable block B is jacked up by the ridge-provided protruding strip by clockwise or anticlockwise rotation of the core block, so that the aim of not replacing a grinding wheel when coarse grinding and fine grinding are needed is fulfilled.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a grinding wheel, in particular to a coarse grinding and fine grinding integrated grinding wheel for grinding a stainless steel bearing.
[ background of the invention ]
The grinding wheel is a bonded grinding tool which is formed by bonding a common grinding material into a certain shape (mostly circular, with a through hole in the center) by a bonding agent and has certain strength. It is generally composed of abrasive, bond and air holes, which are often referred to as the three elements of a bonded abrasive tool. According to different classes of binders, ceramic (binder) grinding wheels, resin (binder) grinding wheels, and rubber (binder) grinding wheels are common. The grinding wheel is the one with the largest use amount and the widest use range in the grinding tool, rotates at high speed when in use, and can perform coarse grinding, semi-fine grinding, slotting, cutting and the like on the excircle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece. When a stainless steel bearing is ground, in order to increase grinding precision and polishing degree, rough grinding material carborundum is generally used for grinding, so that after the rough grinding material carborundum is ground, a grinding wheel needs to be replaced or the grinding wheel needs to be moved to a next grinding machine for grinding fine grinding material carborundum, which is troublesome and time-consuming.
[ summary of the invention ]
In order to overcome the defects in the background art, the invention discloses a coarse grinding and fine grinding integrated grinding wheel for grinding a stainless steel bearing.
In order to realize the purpose, the invention adopts the following technical scheme:
a coarse grinding and fine grinding integrated grinding wheel for grinding a stainless steel bearing comprises a movable block A, a movable block B, a frame body and a core block, wherein the frame body comprises a barrel body, a plurality of vertical plates extending outwards along the center of the barrel body are arranged on the outer edge surface of the barrel body at intervals, supporting plates extending towards the center of the barrel body are respectively arranged on the inner edge surface of the barrel body and the positions corresponding to the vertical plates, a partition plate extending outwards along the center of the barrel body is respectively arranged between two adjacent vertical plates on the outer edge surface of the barrel body, rectangular holes are respectively arranged on the barrel body positioned on two sides of the vertical plates, the movable block B comprises an arc-shaped sand block B and a supporting block B, the bottom of the arc-shaped sand block B is connected with the top of the supporting block B, a connecting plate B extending downwards is arranged at one end of the bottom of the supporting block B, a spring plate B is arranged at the end part of the connecting plate B, the movable block A comprises an, the end part of the connecting plate A is provided with a spring plate A, the movable block A and the movable block B have the same structure, two sides of each clapboard are respectively and oppositely provided with a movable block A and a movable block B, the bottoms of the movable block A and the movable block B are respectively contacted with the outer edge surface of the cylinder body, the connecting plate A and the connecting plate B which are respectively arranged on the movable block A and the movable block B respectively penetrate through two rectangular holes between two adjacent vertical plates, the end parts of the spring plate A and the spring plate B are fixedly connected with the middle part of the inner edge surface of the cylinder body between the two adjacent vertical plates, the core block comprises a pipe body, the outer edge face interval of body is equipped with the protruding strip of taking the spine the same with baffle quantity, and the body passes the barrel back and takes the protruding strip of spine to be located the intersection of spring board A and spring board B, and the junction of connecting plate A and spring board A contacts with the outer edge face of body, and the junction of connecting plate B and spring board B contacts with the outer edge face of body.
A corase grind and fine grinding integral type emery wheel for grinding stainless steel bearing, all be equipped with the lug at the lower extreme of arc sand block A and arc sand block B, all be equipped with the cell body in the upper end of supporting shoe A and supporting shoe B, the lug that arc sand block A was equipped with is arranged in the cell body that supporting shoe A was equipped with, the lug that arc sand block B was equipped with is arranged in the cell body that supporting shoe B was equipped with.
The coarse grinding and fine grinding integrated grinding wheel for grinding the stainless steel bearing is characterized in that a through hole is formed in the protruding block, screw holes A are formed in two opposite side walls of the groove body, and the screw A penetrates through the through hole and the other screw hole A in sequence after penetrating through one screw hole A to enable the protruding block to be connected with the groove body.
The integral grinding wheel for grinding the stainless steel bearing comprises a pipe body, wherein a mounting hole is formed in the pipe body, a ring plate B is fixedly connected to one end of the pipe body, and the ring plate A is connected with the other end of the pipe body.
The coarse grinding and fine grinding integrated grinding wheel for grinding the stainless steel bearing is characterized in that a plurality of through holes are formed in the ring plate A at intervals around the center of the ring plate A, screw holes B are formed in the positions, corresponding to the through holes, of the other end of the pipe body respectively, and the screw holes B are in threaded connection with the screw holes B after the screw holes B penetrate through the through holes respectively.
The coarse grinding and fine grinding integrated grinding wheel for grinding the stainless steel bearing is characterized in that an arc-shaped end is arranged at the end part of the supporting plate.
The rough grinding and fine grinding integrated grinding wheel for grinding the stainless steel bearing is characterized in that the arc-shaped sand block A is rough grinding material carborundum, and the arc-shaped sand block B is fine grinding material carborundum.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the coarse grinding and fine grinding integrated grinding wheel for grinding the stainless steel bearing, the movable block A and the movable block B are respectively arranged between two adjacent vertical plates on the frame body, the movable block A and the movable block B are connected with the frame body by using the spring plate A and the spring plate B, and the movable block A or the movable block B is jacked up by using the protruding strip with the ridge through clockwise or anticlockwise rotation of the core block, so that the purpose that the grinding wheel does not need to be replaced when coarse grinding and fine grinding are needed is achieved; the invention has the characteristics of reasonable structure, convenience, practicability, labor and time saving, cost saving and the like, and has strong popularization value and wide market prospect.
[ description of the drawings ]
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of an assembly structure of a movable block B according to the present invention;
FIG. 4 is a schematic structural view of the frame of the present invention;
FIG. 5 is a schematic structural view of a tube body according to the present invention;
FIG. 6 is a schematic structural diagram of a ring plate A according to the present invention;
fig. 7 is a schematic view of the structure of the present invention in use.
In the figure: 1. an arc-shaped sand block A; 2. a supporting block A; 3. a connecting plate A; 4. a spring plate A; 5. a spring plate B; 6. an arc-shaped sand block B; 7. a support block B; 8. a connecting plate B; 9. a partition plate; 10. a barrel; 11. a vertical plate; 12. a support plate; 13. an arc-shaped end; 14. a pipe body; 15. a ridge protruding strip; 16. a screw A; 17. a ring plate A; 18. a screw B; 19. a bump; 20. a through hole; 21. a trough body; 22. a screw hole A; 23. a rectangular hole; 24. a ring plate B; 25. mounting holes; 26. a screw hole B; 27. and (6) perforating.
[ detailed description ] embodiments
The present invention will be explained in more detail by the following examples, which are not intended to limit the present invention, and all changes and modifications within the scope of the present invention are intended to be protected by the disclosure of the present invention;
the rough grinding and fine grinding integrated grinding wheel for grinding the stainless steel bearing comprises a movable block A, a movable block B, a frame body and a core block, wherein the frame body comprises a cylinder body 10, a plurality of vertical plates 11 extending outwards along the center of the cylinder body 10 are arranged on the outer edge surface of the cylinder body 10 at intervals, a supporting plate 12 extending towards the center of the cylinder body 10 is respectively arranged on the inner edge surface of the cylinder body 10 and the positions corresponding to the vertical plates 11, an arc-shaped end 13 is arranged at the end part of the supporting plate 12, a partition plate 9 extending outwards along the center of the cylinder body 10 is respectively arranged between two adjacent vertical plates 11 on the outer edge surface of the cylinder body 10, rectangular holes 23 are respectively arranged on the cylinder body 10 positioned at two sides of the vertical plates 11, the movable block B comprises an arc-shaped sand block B6 and a supporting block B7, the bottom of the arc-shaped sand block B6 is connected with the top of the supporting block B7, one end of the bottom of the, a spring plate B5 is arranged at the end part of a connecting plate B8, a movable block A comprises an arc-shaped sand block A1 and a supporting block A2, a connecting plate A3 extending downwards is arranged at one end of the bottom of the supporting block A2, a spring plate A4 is arranged at the end part of the connecting plate A3, the movable block A and the movable block B have the same structure, lugs 19 are arranged at the lower ends of the arc-shaped sand block A1 and the arc-shaped sand block B6, groove bodies 21 are arranged at the upper ends of the supporting block 2 and the supporting block B7, the lugs 19 arranged on the arc-shaped sand block A1 are arranged in the groove bodies 21 arranged on the supporting block A2, the lugs 19 arranged on the arc-shaped sand block B6 are arranged in the groove bodies 21 arranged on the supporting block B7, through holes 20 are arranged on the lugs 19, screw holes A22 are arranged on two opposite side walls of the groove bodies 21, a bolt A16 passes through one screw hole A22 to connect the lugs 19 and the other bolt A22 sequentially to connect the lugs 19 with the groove bodies 21, the two sides of each partition board 9 are respectively and oppositely provided with a movable block A and a movable block B, the bottoms of the movable block A and the movable block B are respectively contacted with the outer edge surface of the cylinder body, the connecting boards A3 and B8 respectively arranged on the movable block A and the movable block B respectively penetrate through two rectangular holes 23 between two adjacent vertical boards 11, the end parts of a spring board A4 and a spring board B5 are fixedly connected with the middle part of the inner edge surface of the cylinder body 10 positioned between two adjacent vertical boards 12, the core block comprises a cylinder body 14, the outer edge surface of the cylinder body 14 is provided with ridge protruding strips 15 with the same number as the partition boards 9 at intervals, the cylinder body 14 penetrates through the cylinder body 10, the ridge protruding strips 15 are positioned at the intersection of the spring board A4 and the spring board B5, the connecting part of the connecting board A3 and the spring board A4 is contacted with the outer edge surface of the cylinder body 14, the connecting part of the connecting board B8 and the spring board B5 is contacted with the outer edge surface of the cylinder body 14, a ring plate B24 is fixedly connected to one end of the tube body 14, the ring plate A17 is connected with the other end of the tube body 14, a plurality of through holes 27 are formed in the ring plate A17 at intervals around the center of the ring plate A17, screw holes B26 are respectively formed in the positions, corresponding to the through holes 27, of the other end of the tube body 14, and a plurality of screws B18 are screwed with the screw holes B26 after penetrating through the through holes 27.
The coarse grinding and fine grinding integrated grinding wheel for grinding the stainless steel bearing is implemented by combining the attached figure 7, when the grinding wheel is not used, under the common elastic action of the spring plate A4 and the spring plate B5, the protruding strip 15 with the ridge is positioned at the intersection of the spring plate A4 and the spring plate B5, the outer edges of the movable block A and the movable block B are equal in height, when the grinding wheel machine is used, the mounting hole 25 is sleeved on the rotating shaft of the grinding wheel machine and fixed, when the workpiece needs to be roughly ground, the rotating shaft is driven to enable the pipe body 14 to rotate anticlockwise, the plurality of ridge protruding strips 15 press the plurality of spring plates A4 when rotating at high speed, the joints of the plurality of spring plates A4 and the connecting plates A3 are separated from the outer edge surface of the pipe body 14, the joints of the spring plates A4 and the connecting plates A3 move towards the inner edge surface of the cylinder 10, the connecting plates A3 drive the movable blocks A to move towards the outside of the frame body, the arc-shaped sand block A1 is higher than the arc-shaped sand block B6, and the arc-shaped sand block A1 made of coarse abrasive carborundum can be used for roughly grinding the workpiece; when the work piece need carry out the fine grinding, the drive pivot makes body 14 clockwise rotation, a plurality of protruding strips 15 of taking the spine oppress many spring plates B5 when high-speed rotatory, many connecting plates B8 drive a plurality of movable blocks B and remove to the outside of framework, and then make arc sand block B6 be higher than arc sand block A1, the arc sand block B6 of fine abrasive material carborundum material just can carry out the fine grinding to the work piece, realized need not change the emery wheel when needs the coarse grinding and fine grinding only need change the direction of rotation of pivot can the purpose of carrying out.
The present invention is not described in detail in the prior art.
Claims (7)
1. The utility model provides a coarsely grind and fine grinding integral type emery wheel for grinding stainless steel bearing which characterized by: comprises a movable block A, a movable block B, a frame body and a core block, wherein the frame body comprises a cylinder body (10), a plurality of vertical plates (11) extending outwards along the center of the cylinder body (10) are arranged at intervals on the outer edge surface of the cylinder body (10), supporting plates (12) extending towards the center of the cylinder body (10) are respectively arranged on the inner edge surface of the cylinder body (10) and the positions corresponding to the vertical plates (11), a partition plate (9) extending outwards along the center of the cylinder body (10) is respectively arranged between two adjacent vertical plates (11) on the outer edge surface of the cylinder body (10), rectangular holes (23) are respectively arranged on the cylinder body (10) positioned at two sides of the vertical plates (11), the movable block B comprises an arc-shaped sand block B (6) and a supporting block B (7), the bottom of the arc-shaped sand block B (6) is connected with the top of the supporting block B (7), a connecting plate B (8) extending downwards is arranged at one, a spring plate B (5) is arranged at the end part of a connecting plate B (8), a movable block A comprises an arc-shaped sand block A (1) and a supporting block A (2), a connecting plate A (3) extending downwards is arranged at one end of the bottom of the supporting block A (2), a spring plate A (4) is arranged at the end part of the connecting plate A (3), the movable block A and the movable block B are identical in structure, a movable block A and a movable block B are respectively and oppositely arranged at two sides of each partition plate (9), the bottoms of the movable block A and the movable block B are respectively contacted with the outer edge surface of the barrel body, the connecting plate A (3) and the connecting plate B (8) respectively arranged on the movable block A and the movable block B respectively penetrate through two rectangular holes (23) between two adjacent vertical plates (11), the end parts of the spring plate A (4) and the spring plate B (5) are fixedly connected with the middle part of the inner edge surface of the barrel body (10) between the two adjacent supporting plates (, the core block comprises a pipe body (14), the outer edge surface of the pipe body (14) is provided with protruding strips (15) with ridges, the number of the protruding strips (15) is the same as that of the partition plates (9), the pipe body (14) penetrates through the barrel body (10), the protruding strips (15) with ridges are located at the intersection of the spring plate A (4) and the spring plate B (5), the joint of the connecting plate A (3) and the spring plate A (4) is in contact with the outer edge surface of the pipe body (14), and the joint of the connecting plate B (8) and the spring plate B (5) is in contact with the outer edge surface of the pipe body (14).
2. The integrated rough and finish grinding wheel for grinding stainless steel bearings according to claim 1, wherein: the lower extreme at arc sand block A (1) and arc sand block B (6) all is equipped with lug (19), all is equipped with cell body (21) in the upper end of supporting shoe A (2) and supporting shoe B (7), and in lug (19) that arc sand block A (1) was equipped with were arranged in cell body (21) that supporting shoe A (2) was equipped with, lug (19) that arc sand block B (6) was equipped with were arranged in cell body (21) that supporting shoe B (7) was equipped with.
3. The integrated rough and finish grinding wheel for grinding stainless steel bearings according to claim 2, wherein: the convex block (19) is provided with a through hole (20), two opposite side walls of the groove body (21) are respectively provided with a screw hole A (22), and the screw A (16) passes through one screw hole A (22) and then sequentially passes through the through hole (20) and the other screw hole A (22) to connect the convex block (19) and the groove body (21).
4. The integrated rough and finish grinding wheel for grinding stainless steel bearings according to claim 1, wherein: a mounting hole (25) is formed in the pipe body (14), a ring plate B (24) is fixedly connected to one end of the pipe body (14), and the ring plate A (17) is connected with the other end of the pipe body (14).
5. The integrated rough and finish grinding wheel for grinding stainless steel bearings according to claim 4, wherein: a plurality of through holes (27) are formed in the ring plate A (17) at intervals around the center of the ring plate A (17), screw holes B (26) are formed in the positions, corresponding to the through holes (27), of the other end of the pipe body (14) respectively, and a plurality of screws B (18) are in threaded connection with the screw holes B (26) after penetrating through the through holes (27) respectively.
6. The integrated rough and finish grinding wheel for grinding stainless steel bearings according to claim 1, wherein: an arc-shaped end head (13) is arranged at the end part of the supporting plate (12).
7. The integrated rough and finish grinding wheel for grinding stainless steel bearings according to claim 1, wherein: the arc-shaped sand block A (1) is coarse abrasive carborundum, and the arc-shaped sand block B (6) is fine abrasive carborundum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878469.8A CN110497325B (en) | 2019-09-18 | 2019-09-18 | Coarse grinding and fine grinding integrated grinding wheel for grinding stainless steel bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878469.8A CN110497325B (en) | 2019-09-18 | 2019-09-18 | Coarse grinding and fine grinding integrated grinding wheel for grinding stainless steel bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110497325A CN110497325A (en) | 2019-11-26 |
| CN110497325B true CN110497325B (en) | 2021-06-01 |
Family
ID=68592083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910878469.8A Active CN110497325B (en) | 2019-09-18 | 2019-09-18 | Coarse grinding and fine grinding integrated grinding wheel for grinding stainless steel bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110497325B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112318390B (en) * | 2020-11-01 | 2022-08-26 | 宿迁市第一砂轮制造有限公司 | Special-shaped ceramic grinding wheel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU749649A1 (en) * | 1978-02-13 | 1980-07-23 | За витель | Abrasive wheel |
| SU1311919A1 (en) * | 1984-10-17 | 1987-05-23 | Куйбышевский авиационный институт им.акад.С.П.Королева | Abrasive tool |
| RU2155130C1 (en) * | 1999-05-28 | 2000-08-27 | Ульяновский государственный технический университет | Combination type grinding wheel |
| CN203831258U (en) * | 2014-04-25 | 2014-09-17 | 福州鑫文达机械模具有限公司 | Milling cutter coarse and fine grinding wheel |
| CN204525209U (en) * | 2015-01-07 | 2015-08-05 | 广东奔朗新材料股份有限公司 | Dicyclic skive |
| CN206316946U (en) * | 2016-12-09 | 2017-07-11 | 徐州康姆罗拉特种陶瓷有限责任公司 | Multichannel grinding head is used in a kind of Quartz Ceramic Roller polishing |
-
2019
- 2019-09-18 CN CN201910878469.8A patent/CN110497325B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU749649A1 (en) * | 1978-02-13 | 1980-07-23 | За витель | Abrasive wheel |
| SU1311919A1 (en) * | 1984-10-17 | 1987-05-23 | Куйбышевский авиационный институт им.акад.С.П.Королева | Abrasive tool |
| RU2155130C1 (en) * | 1999-05-28 | 2000-08-27 | Ульяновский государственный технический университет | Combination type grinding wheel |
| CN203831258U (en) * | 2014-04-25 | 2014-09-17 | 福州鑫文达机械模具有限公司 | Milling cutter coarse and fine grinding wheel |
| CN204525209U (en) * | 2015-01-07 | 2015-08-05 | 广东奔朗新材料股份有限公司 | Dicyclic skive |
| CN206316946U (en) * | 2016-12-09 | 2017-07-11 | 徐州康姆罗拉特种陶瓷有限责任公司 | Multichannel grinding head is used in a kind of Quartz Ceramic Roller polishing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110497325A (en) | 2019-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207771564U (en) | A kind of mechanical processing grinding device | |
| CN110497325B (en) | Coarse grinding and fine grinding integrated grinding wheel for grinding stainless steel bearing | |
| CN211103266U (en) | Multi-station grinding machine for processing curved surface workpiece | |
| CN207858507U (en) | A kind of fixture for grinding machine of plane ceramic target beveling | |
| CN218592537U (en) | Deburring device | |
| CN110666679A (en) | Plane grinding machine | |
| CN213225507U (en) | Ball plate for grinding high-precision steel balls | |
| CN214685959U (en) | Grinding head device | |
| CN109746797B (en) | Device and method for machining circular arc teeth of standard circular rod part of rotor blade of gas compressor | |
| CN212977799U (en) | Part grinding equipment for machine-building | |
| CN209304351U (en) | A kind of oilstone cambered surface finishing forming device | |
| CN211439563U (en) | Diamond roller device for grinding wheel excircle trimming | |
| CN210335649U (en) | Edging device for grinding wheel machining | |
| CN210189477U (en) | Special device for dressing grinding wheel of grinding machine | |
| CN208895811U (en) | A kind of hand-held Production of Ceramics sander | |
| CN207448067U (en) | A kind of adjustable type cylindrical grinder | |
| CN220331006U (en) | Grinding machine grinding wheel for processing outer circle of crankshaft | |
| CN221211094U (en) | Blade root end plane polishing device | |
| CN210499844U (en) | Grinding wheel for grinding inner conical surface of bearing | |
| CN217143613U (en) | Novel double-sand single sintering device | |
| CN217071785U (en) | Device for deburring and chamfering end of rotary spring | |
| CN212020474U (en) | Diamond grinding disc | |
| CN103612182A (en) | Flat belt grinder | |
| CN219380322U (en) | Grinding machine | |
| CN221495636U (en) | Rotary grinding wheel dresser |
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 |