CN113601121A - Bearing production process - Google Patents
Bearing production process Download PDFInfo
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- CN113601121A CN113601121A CN202110955131.5A CN202110955131A CN113601121A CN 113601121 A CN113601121 A CN 113601121A CN 202110955131 A CN202110955131 A CN 202110955131A CN 113601121 A CN113601121 A CN 113601121A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
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Abstract
The invention discloses a bearing production process, which comprises the following steps: checking, accepting and classifying, degreasing and washing, cutting a blank, turning, carrying out heat treatment, grinding, processing a channel, polishing, inspecting a finished product, packaging and warehousing. The invention has the beneficial effects that: the production process has simple steps, good process continuity and high production efficiency through the cooperative use of manpower and equipment, improves the precision of the finished bearing through the step of polishing treatment, can carry out final inspection on the quality of the finished bearing through the step of finished product inspection, effectively ensures the quality of the finished bearing, and can meet the requirement of mass production.
Description
Technical Field
The invention relates to the technical field of bearing production, in particular to a bearing production process.
Background
The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body. The bearing generally comprises an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with a shaft and rotating together with the shaft, the outer ring is used for being matched with a bearing seat to play a supporting role, the inner ring and the outer ring are collectively called as a bearing ring, the inner circle of the outer ring of the bearing and the outer circle of the inner ring of the bearing are contact surfaces which are directly contacted with the rolling body, and the bearing ring is directly contacted with the rolling body, so that the surface roughness of the contact surface of the bearing ring and the rolling body is high in order to reduce the friction coefficient.
In the current bearing production process, need polish to the bearing inside, reduce the roughness of bearing and rolling body contact surface, so that it accords with the required precision, in order to guarantee machining precision and processingquality, prior art uses the grinding machine to process usually, degree of automation is high, nevertheless the inside burr that still can exist of bearing after the processing is accomplished, and adopt the production technology of current bearing, the flow continuity is poor, low in production efficiency, lack the quality control flow, finished product quality can't obtain guaranteeing, consequently, can't satisfy mass production's needs.
Therefore, a new bearing manufacturing process is needed to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems, provides the bearing production process which has good process continuity and high production efficiency, ensures the quality of finished bearings, and can meet the requirement of mass production.
The invention achieves the aim through the following technical scheme, and the production process of the bearing comprises the following steps:
1) and (4) acceptance classification: inspecting and accepting the blank pipes, distinguishing defective products and qualified products, classifying the blank pipes of the qualified products according to batch numbers, and labeling and storing the blank pipes in sequence;
2) degreasing and washing: firstly, putting the blank pipe into degreasing liquid for immersion degreasing, wherein the degreasing temperature is 50-60 ℃, then putting the treated blank pipe into a water spraying device for high-pressure washing, and finally drying the washed blank pipe;
3) cutting a blank: placing the blank pipe processed in the step 2) on bearing cutting equipment for cutting, and cutting the blank pipe into bearing blanks with qualified sizes;
4) turning: placing the bearing blank processed in the step 3) on a lathe for machining;
5) and (3) heat treatment: carrying out heat treatment of quenching and tempering on the bearing blank processed in the step 4), wherein the quenching time is 10-20min, the tempering time is 30-40min, and cooling to obtain a semi-finished bearing;
6) grinding: firstly, placing the semi-finished bearing obtained by the treatment in the step 5) on a surface grinder for early-stage grinding treatment, chamfering two end surfaces of the semi-finished bearing, then placing the semi-finished bearing on a centerless grinder for later-stage grinding treatment, and polishing the outer edge surface of the semi-finished bearing;
7) and (3) processing a channel: placing the semi-finished bearing processed in the step 6) on a groove grinder for grinding, grinding the inner peripheral wall of the semi-finished bearing to form a groove, and finely grinding the groove by using a grinder to obtain a finished bearing;
8) polishing treatment: placing the finished bearing processed in the step 7) on a clamping device for positioning and clamping, then milling flat and removing burrs inside the bearing through a burr cutter, and repeating the operation at least for more than two times;
9) and (4) inspecting a finished product: measuring and recording the quality and the size of the finished bearing, checking the inner surface and the outer surface of the bearing to ensure that the inner surface and the outer surface of the bearing are not scratched or dented, distinguishing according to the bearing standard, and separately picking out qualified bearings for storage;
10) packaging and warehousing: and (4) uniformly packaging the finished bearings qualified in the step 9), and uniformly warehousing and storing after batch registration.
By adopting the technical scheme, the whole process is simple in step, the process is good in continuity and high in production efficiency through the cooperation of manpower and equipment, burrs inside the finished bearing can be removed through the step of polishing treatment, the precision of the finished bearing is improved, the quality of the finished bearing can be finally inspected through the step of finished product inspection, the quality of the finished bearing is effectively guaranteed, and the requirement of mass production can be met.
As a further arrangement of the invention, the clamping device in the step 8) comprises a frame, the frame is connected with a top plate through four support columns, a bottom die is arranged at the top of the frame, an arc-shaped groove matched with the outer peripheral wall of the bearing is formed in the bottom die, a clamping mechanism is arranged on the bottom surface of the top plate, and the clamping mechanism comprises a clamping arm arranged opposite to the bottom die and a pushing assembly for driving the clamping arm to move up and down.
Through adopting above-mentioned technical scheme, owing to be provided with clamping device, then polishing treatment is being carried out to the finished product bearing, can arrange the finished product bearing in the inside pre-position that carries on of arc recess earlier, then descend through propelling movement subassembly drive centre gripping arm, compress tightly the finished product bearing on the die block through the centre gripping arm, then through the cooperation of centre gripping arm and die block, can realize the centre gripping location to the finished product bearing, convenient operation and centre gripping stability are high, make things convenient for subsequent polishing treatment operation.
As a further arrangement of the invention, the clamping arm comprises an arm rod and an arc-shaped clamping jaw fixedly connected to the arm rod, and the concave cambered surface of the arc-shaped clamping jaw is matched with the outer peripheral wall of the bearing.
Through adopting above-mentioned technical scheme, because the centre gripping arm includes armed lever and the arc clamping jaw of fixed connection on the armed lever, then when compressing tightly finished product bearing on the die block through the arc clamping jaw, through the cooperation of the indent cambered surface of arc clamping jaw and arc recess, can get tighter with the centre gripping of finished product bearing, centre gripping stability is high.
As a further arrangement of the invention, the pushing assembly comprises a rotary air cylinder, and a piston rod of the rotary air cylinder is fixedly connected with the arm rod.
Through adopting above-mentioned technical scheme, because the propelling movement subassembly includes revolving cylinder, and revolving cylinder's piston rod and armed lever fixed connection are in the same place, then accessible revolving cylinder control piston rod stretches out to promote the motion of arc clamping jaw through the armed lever, make clamping device more firm reliable to finished product bearing's centre gripping, be difficult for droing.
As a further arrangement of the invention, the top of the frame is provided with a positioning bracket, the top surface of the frame is transversely provided with a sliding groove, and the bottom surface of the positioning bracket is provided with a sliding block which is embedded and is connected in the sliding groove in a sliding manner.
Through adopting above-mentioned technical scheme, owing to be provided with the location bracket at the frame top, the spout has transversely been seted up on the frame top surface, and be provided with embedding and sliding connection at the inside slider of spout in location bracket bottom surface, then when placing finished product bearing in the inside prepositioning that carries on of arc recess, can promote the location bracket to remove behind the die block to can treat that tight finished product bearing leans on, avoid finished product bearing to drop from arc recess is inside, thereby effectively guaranteed prepositioning steadiness, make things convenient for subsequent centre gripping location.
As a further arrangement of the invention, a guide sliding rod is arranged in the sliding groove along the length direction, and one end of the sliding block embedded in the sliding groove is connected to the guide sliding rod in a sliding manner.
Through adopting above-mentioned technical scheme, owing to be provided with the direction slide bar along length direction inside the spout, and the inside one end sliding connection of slider embedding spout is on the direction slide bar, then the direction slide bar can carry on spacingly to gliding slip direction, avoids the slip direction of slider skew to appear to make the slip of location bracket on the frame top surface more steady smooth and easy.
As a further arrangement of the invention, a guide rail is vertically arranged on the positioning bracket, and a pulley which is embedded into the guide rail and slides along the guide rail is arranged on the arm rod.
Through adopting above-mentioned technical scheme, owing to vertically seted up the guide rail on the location bracket, and be provided with the pulley on the armed lever, then spacing through the guide rail to the pulley, can make the lift of armed lever receive spacingly to can more accurately cooperate with the die block, realize the firm centre gripping to finished product bearing.
As a further arrangement of the invention, the arm rod, the arc-shaped clamping jaw and the bottom die are all made of stainless steel materials.
Through adopting above-mentioned technical scheme, because armed lever, arc clamping jaw and die block all adopt stainless steel material to make, intensity and hardness are high, and is not fragile, and the durability is good, and life is longer.
In conclusion, the invention has the following beneficial effects:
the production process has simple steps, good process continuity and high production efficiency through the cooperative use of manpower and equipment, burrs inside the finished bearing can be removed through the step of polishing treatment, so that the precision of the finished bearing is improved, the quality of the finished bearing can be finally inspected through the step of finished product inspection, the quality of the finished bearing is effectively ensured, and the requirement of mass production can be met.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of a clamping device according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the connection structure of the frame and the positioning bracket according to the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
Reference numerals: 1. a frame; 2. a pillar; 3. a top plate; 4. bottom die; 5. an arc-shaped groove; 6. an arm lever; 7. an arc-shaped clamping jaw; 8. a rotary cylinder; 9. a piston rod; 10. a positioning bracket; 11. a chute; 12. a slider; 13. a guide slide bar; 14. a guide rail; 15. a pulley.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a production process of a bearing includes the following steps:
1) and (4) acceptance classification: inspecting and accepting the blank pipes, distinguishing defective products and qualified products, classifying the blank pipes of the qualified products according to batch numbers, and labeling and storing the blank pipes in sequence;
2) degreasing and washing: firstly, putting the blank pipe into degreasing liquid for immersion degreasing, wherein the degreasing temperature is 50-60 ℃, the duration time is 30min, then putting the treated blank pipe into a water spraying device for high-pressure washing, and finally drying the washed blank pipe;
3) cutting a blank: placing the blank pipe processed in the step 2) on bearing cutting equipment for cutting, and cutting the blank pipe into bearing blanks with qualified sizes;
4) turning: placing the bearing blank processed in the step 3) on a lathe for machining;
5) and (3) heat treatment: carrying out heat treatment of quenching and tempering on the bearing blank processed in the step 4), wherein the quenching time is 10-20min, the tempering time is 30-40min, and cooling to obtain a semi-finished bearing;
6) grinding: firstly, placing the semi-finished bearing obtained by the treatment in the step 5) on a surface grinder for early-stage grinding treatment, chamfering two end surfaces of the semi-finished bearing, then placing the semi-finished bearing on a centerless grinder for later-stage grinding treatment, and polishing the outer edge surface of the semi-finished bearing;
7) and (3) processing a channel: firstly, placing the semi-finished bearing treated in the step 6) on a channel grinding machine for grinding, grinding the inner peripheral wall of the semi-finished bearing to form a channel, and then carrying out fine grinding treatment on the channel by using a grinding machine to obtain the finished bearing, wherein the speed of the grinding machine is 70-80mm/s, and the power of the grinding machine is 5000-6000W;
8) polishing treatment: placing the finished bearing processed in the step 7) on a clamping device for positioning and clamping, then milling flat and removing burrs inside the bearing through a burr cutter, and repeating the operation at least for more than two times;
9) and (4) inspecting a finished product: measuring and recording the quality and the size of the finished bearing, checking the inner surface and the outer surface of the bearing to ensure that the inner surface and the outer surface of the bearing are not scratched or dented, distinguishing by contrasting the bearing standard, picking out the qualified bearing separately for storage, and returning the unqualified bearing back uniformly;
10) packaging and warehousing: and (4) uniformly packaging the finished bearings qualified in the step 9), and uniformly warehousing and storing after batch registration.
Through the process of the invention, the production process flows of acceptance classification, degreasing and washing, blank cutting, turning, heat treatment, grinding, channel processing, polishing, finished product inspection and packaging and warehousing are adopted, the steps are simple, the cooperation of manpower and equipment is used, the process continuity is good, the production efficiency is high, burrs inside the finished product bearing can be removed through the polishing step, the finished product bearing is subjected to finish machining after rough machining of grinding and channel processing, the surface roughness of the contact surface of the finished product bearing and a rolling body is greatly reduced, the precision of the finished product bearing is improved, the quality of the finished product bearing can be subjected to final inspection through the finished product inspection step, defective products and qualified products are distinguished, the quality of the qualified products can be ensured, the qualified product quality can meet technical requirements, and the finished product quality of the bearing is effectively improved, thereby meeting the requirement of mass production.
Please refer to fig. 2 and 3, the clamping device in step 8) includes a frame 1, and the frame 1 is connected with a top plate 3 through four pillars 2, a bottom die 4 is disposed on the top of the frame 1, and an arc-shaped groove 5 matched with the peripheral wall of the bearing is disposed on the bottom die 4, a clamping mechanism is disposed on the bottom surface of the top plate 3, the clamping mechanism includes a clamping arm disposed opposite to the bottom die 4 and a pushing assembly for driving the clamping arm to move up and down, wherein the clamping arm includes an arm rod 6 and an arc-shaped clamping jaw 7 fixedly connected to the arm rod 6, the concave arc surface of the arc-shaped clamping jaw 7 is matched with the peripheral wall of the bearing, the pushing assembly includes a rotary cylinder 8, a piston rod 9 of the rotary cylinder 8 is fixedly connected to the arm rod 6, and the arm rod 6, the arc-shaped clamping jaw 7 and the bottom die 4 are all made of stainless steel material.
Referring to fig. 2-5, a positioning bracket 10 is disposed on the top of the frame 1, a sliding slot 11 is transversely disposed on the top surface of the frame 1, a sliding block 12 embedded in and slidably connected to the inside of the sliding slot 11 is disposed on the bottom surface of the positioning bracket 10, a guide sliding rod 13 is disposed inside the sliding slot 11 along the length direction, one end of the sliding block 12 embedded in the sliding slot 11 is slidably connected to the guide sliding rod 13, a guide rail 14 is vertically disposed on the positioning bracket 10, and a pulley 15 for embedding the guide rail 14 and sliding along the guide rail 14 is disposed on the arm 6.
Because the clamping device is arranged and comprises the bottom surface and the clamping mechanism which is arranged opposite to the bottom die 4, the clamping mechanism comprises a clamping arm and a pushing component for driving the clamping arm, the finished product bearing is polished, the finished product bearing can be firstly placed in the arc-shaped groove 5 for pre-positioning, then the clamping arm is driven by the pushing component to descend and move towards the bottom die 4, so that the clamping arm is abutted against the surface of the finished product bearing and tightly presses the finished product bearing on the bottom die 4, the clamping and the positioning of the finished product bearing can be realized by the matching of the clamping arm and the bottom die 4, the operation is convenient, the clamping stability is high, the subsequent polishing operation is convenient, wherein, because the clamping arm comprises an arm rod 6 and an arc-shaped clamping jaw 7 which is fixedly connected on the arm rod 6, and the concave cambered surface of the arc-shaped clamping jaw 7 is matched with the peripheral wall of the bearing, when the clamping arm is driven by the pushing component to descend and move towards the bottom die 4, conflict can take place with the finished product bearing surface for finished product bearing embedding arc clamping jaw 7 is inside, then when compressing tightly finished product bearing on die block 4 through arc clamping jaw 7, through arc clamping jaw 7's indent cambered surface and arc recess 5's cooperation, can get tighter with the finished product bearing centre gripping, clamping stability is high, because the propelling movement subassembly includes revolving cylinder 8, and revolving cylinder 8's piston rod 9 is in the same place with 6 fixed connection of armed lever, then 8 control piston rod 9 of accessible revolving cylinder stretch out, thereby promote the motion of arc clamping jaw 7 through armed lever 6, make clamping device more firm reliable to finished product bearing's centre gripping, be difficult for droing, and degree of automation is high, the loaded down with trivial details operation of artifical centre gripping has been removed from, the operation is comparatively convenient simple.
Because the top of the frame 1 is provided with the positioning bracket 10, the top surface of the frame 1 is transversely provided with the sliding groove 11, and the bottom surface of the positioning bracket 10 is provided with the sliding block 12 which is embedded in and is slidably connected with the inside of the sliding groove 11, the positioning bracket 10 can slide left and right on the top surface of the frame 1, when the finished product bearing is arranged inside the arc-shaped groove 5 for pre-positioning, the positioning bracket 10 can be pushed to move, so that the positioning bracket 10 slides to the back of the bottom die 4, thereby leaning on the finished product bearing to be clamped is realized, the finished product bearing is prevented from falling off from the inside of the arc-shaped groove 5, the pre-positioning stability is effectively ensured, and the subsequent clamping and positioning are convenient, wherein, because the guiding sliding rod 13 is arranged inside the sliding groove 11 along the length direction, and one end of the sliding block 12 embedded in the sliding groove 11 is slidably connected on the guiding sliding rod 13, when the sliding block 12 slides inside the sliding groove 11, the direction slide bar 13 can be spacing to gliding slip direction, avoid slider 12's slip direction to appear skew, thereby make the slip of location bracket 10 on 1 top surface of frame more steady smooth and easy, and because the vertical guide rail 14 of having seted up on location bracket 10, and be provided with pulley 15 on armed lever 6, then when moving location bracket 10 to die block 4 behind one's back, can align pulley 15 and guide rail 14, then when pushing arm pole 6 descends through piston rod 9, pulley 15 can follow guide rail 14 and slide downwards, then spacing through guide rail 14 to pulley 15, can make the lift of armed lever 6 receive spacingly, thereby can cooperate with die block 4 more accurately, realize the firm centre gripping to the finished product bearing.
Because the arm lever 6, the arc-shaped clamping jaw 7 and the bottom die 4 are all made of stainless steel materials, the strength and hardness are high, the arc-shaped clamping jaw is not easy to damage, the durability is good, and the service life is long.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The production process of the bearing is characterized by comprising the following steps: the method comprises the following steps:
1) and (4) acceptance classification: inspecting and accepting the blank pipes, distinguishing defective products and qualified products, classifying the blank pipes of the qualified products according to batch numbers, and labeling and storing the blank pipes in sequence;
2) degreasing and washing: firstly, putting the blank pipe into degreasing liquid for immersion degreasing, wherein the degreasing temperature is 50-60 ℃, then putting the treated blank pipe into a water spraying device for high-pressure washing, and finally drying the washed blank pipe;
3) cutting a blank: placing the blank pipe processed in the step 2) on bearing cutting equipment for cutting, and cutting the blank pipe into bearing blanks with qualified sizes;
4) turning: placing the bearing blank processed in the step 3) on a lathe for machining;
5) and (3) heat treatment: carrying out heat treatment of quenching and tempering on the bearing blank processed in the step 4), wherein the quenching time is 10-20min, the tempering time is 30-40min, and cooling to obtain a semi-finished bearing;
6) grinding: firstly, placing the semi-finished bearing obtained by the treatment in the step 5) on a surface grinder for early-stage grinding treatment, chamfering two end surfaces of the semi-finished bearing, then placing the semi-finished bearing on a centerless grinder for later-stage grinding treatment, and polishing the outer edge surface of the semi-finished bearing;
7) and (3) processing a channel: placing the semi-finished bearing processed in the step 6) on a groove grinder for grinding, grinding the inner peripheral wall of the semi-finished bearing to form a groove, and finely grinding the groove by using a grinder to obtain a finished bearing;
8) polishing treatment: placing the finished bearing processed in the step 7) on a clamping device for positioning and clamping, then milling flat and removing burrs inside the bearing through a burr cutter, and repeating the operation at least for more than two times;
9) and (4) inspecting a finished product: measuring and recording the quality and the size of the finished bearing, checking the inner surface and the outer surface of the bearing to ensure that the inner surface and the outer surface of the bearing are not scratched or dented, distinguishing according to the bearing standard, and separately picking out qualified bearings for storage;
10) packaging and warehousing: and (4) uniformly packaging the finished bearings qualified in the step 9), and uniformly warehousing and storing after batch registration.
2. A process for the production of a bearing according to claim 1, wherein: clamping device in step 8) includes frame (1), be connected with roof (3) through four spinal branch posts (2) in frame (1), frame (1) top is provided with die block (4), set up arc recess (5) that match with the bearing periphery wall on die block (4), be provided with fixture on roof (3) bottom surface, fixture includes and is the relative centre gripping arm that sets up and is used for driving the propelling movement subassembly of centre gripping arm up-and-down motion with die block (4).
3. A process for the production of a bearing according to claim 2, wherein: the centre gripping arm includes armed lever (6) and arc clamping jaw (7) of fixed connection on armed lever (6), the indent cambered surface and the bearing periphery wall phase-match of arc clamping jaw (7).
4. A process for the production of a bearing according to claim 3, wherein: the pushing assembly comprises a rotary cylinder (8), and a piston rod (9) of the rotary cylinder (8) is fixedly connected with the arm rod (6).
5. A process for the production of a bearing according to claim 3, wherein: the top of the rack (1) is provided with a positioning bracket (10), the top surface of the rack (1) is transversely provided with a sliding groove (11), and the bottom surface of the positioning bracket (10) is provided with a sliding block (12) which is embedded into the sliding groove (11) and is connected with the sliding groove in a sliding manner.
6. A process for the production of a bearing according to claim 5, wherein: a guide sliding rod (13) is arranged inside the sliding groove (11) along the length direction, and one end, embedded into the sliding groove (11), of the sliding block (12) is connected to the guide sliding rod (13) in a sliding mode.
7. A process for the production of a bearing according to claim 5, wherein: the positioning bracket (10) is vertically provided with a guide rail (14), and the arm rod (6) is provided with a pulley (15) which is used for being embedded into the guide rail (14) and sliding along the guide rail (14).
8. A process for the production of a bearing according to claim 3, wherein: the arm rod (6), the arc-shaped clamping jaw (7) and the bottom die (4) are all made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110955131.5A CN113601121A (en) | 2021-08-19 | 2021-08-19 | Bearing production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110955131.5A CN113601121A (en) | 2021-08-19 | 2021-08-19 | Bearing production process |
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| Publication Number | Publication Date |
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| CN113601121A true CN113601121A (en) | 2021-11-05 |
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| CN202110955131.5A Pending CN113601121A (en) | 2021-08-19 | 2021-08-19 | Bearing production process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515969A (en) * | 2022-03-21 | 2022-05-20 | 漳州升源机械工业有限公司 | Manufacturing device and process for milling cutter collet of high-precision numerical control machine tool |
| CN114986104A (en) * | 2022-07-02 | 2022-09-02 | 绍兴市上虞幼发轴承有限公司 | Production process of bearing ring |
-
2021
- 2021-08-19 CN CN202110955131.5A patent/CN113601121A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515969A (en) * | 2022-03-21 | 2022-05-20 | 漳州升源机械工业有限公司 | Manufacturing device and process for milling cutter collet of high-precision numerical control machine tool |
| CN114515969B (en) * | 2022-03-21 | 2024-05-03 | 漳州升源机械工业有限公司 | Manufacturing device and process for milling cutter collet chuck of high-precision numerical control machine tool |
| CN114986104A (en) * | 2022-07-02 | 2022-09-02 | 绍兴市上虞幼发轴承有限公司 | Production process of bearing ring |
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