CN110814655A - Processing technology of check ring - Google Patents
Processing technology of check ring Download PDFInfo
- Publication number
- CN110814655A CN110814655A CN201911118148.4A CN201911118148A CN110814655A CN 110814655 A CN110814655 A CN 110814655A CN 201911118148 A CN201911118148 A CN 201911118148A CN 110814655 A CN110814655 A CN 110814655A
- Authority
- CN
- China
- Prior art keywords
- retainer ring
- punching
- check ring
- processing technology
- spinning
- 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.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a processing technology of a check ring, which relates to the field of automobile accessories and comprises the following steps: s1: blanking; s2: punching a central positioning hole; punching a central positioning hole on the raw material; s3: flattening planes on two sides; flattening the two sides of the punched raw material; s4: spinning and forming; spinning and shaping by a spinning machine, namely shaping the initial shape of the retainer ring and shaping the size; s5: fine processing; carrying out final finish machining treatment on the shape and the size of the retainer ring; s6: cutting treatment; cutting an opening for installation on the annular retainer ring; s7: punching a prying opening; punching a prying opening on the annular retainer ring; s8: polishing; and grinding burrs and the outer surface of the retainer ring. The improvement of the process realizes the process for manufacturing the check ring under the condition that the shapes of the raw materials are not consistent; meanwhile, on the premise of ensuring the product quality, the process flow is simplified, the product quality and precision are improved, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a processing technology of a check ring.
Background
As is well known, the process of the check ring is complicated in the manufacturing process, the utilization rate of the steel plate is low in the manufacturing process, more waste materials are generated, and the precision stability of each size of the check ring is poor in the manufacturing process. Meanwhile, the production efficiency is low, the single piece processing time is long, and the cost is high.
Disclosure of Invention
The invention aims to provide a processing technology of a check ring, and the processing technology is used for solving the problems that the technology is complicated in the manufacturing process of the check ring in the background technology, the utilization rate of a steel plate is low in the manufacturing process, more waste materials are generated, and the precision stability of each size of the check ring is poor in the manufacturing process.
In order to achieve the purpose, the invention provides the following technical scheme:
a processing technology of a check ring comprises the following steps:
s1: blanking;
s2: punching a central positioning hole; punching a central positioning hole on the raw material;
s3: flattening planes on two sides; flattening the two sides of the punched raw material;
s4: spinning and forming; spinning and shaping by a spinning machine, namely shaping the initial shape of the retainer ring and shaping the size;
s5: fine processing; carrying out final finish machining treatment on the shape and the size of the retainer ring;
s6: cutting treatment; cutting an opening for installation on the annular retainer ring;
s7: punching a prying opening; punching a prying opening on the annular retainer ring;
s8: polishing; and grinding burrs and the outer surface of the retainer ring.
Furthermore, the raw material of unloading in S1 is the pipe, selects the pipe of corresponding length, carries out the pressure tapering processing to the pipe through the pressure tapering mould of punching machine, with the drum pipe drum that has the tapering.
Further, the taper of the cylinder is H, and the H is between 20 and 75 degrees.
Furthermore, a hydraulic machine of the punching machine needs to descend at a constant speed to perform taper pressing treatment on the circular tube.
Further, the raw material discharged in S1 is a circular plate.
Further, the steps further include S9: final inspection; the sizes of the check rings are detected whether the required sizes are achieved.
Further, the steps further include S10: painting; the retainer ring is painted to prevent the outer surface from rusting and is easy to store.
Further, the spinning machine in S4 runs at a constant speed when spinning is performed.
Further, the opening of the cutting process in S6 is 3 to 10 mm.
Compared with the prior art, the invention has the beneficial effects that: the improvement of the process realizes the process for manufacturing the check ring under the condition that the shapes of the raw materials are not consistent; meanwhile, on the premise of ensuring the product quality, the process flow is simplified, the product quality and precision are improved, the labor force is reduced, the production efficiency is improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic view of a process for forming a circular tube according to the present invention;
FIG. 2 is a schematic flow chart of the present invention when blanking is a circular plate.
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.
Example 1:
referring to fig. 1, a processing technology of a check ring includes the following steps:
s1, blanking is a round pipe: the round pipe needs to be manufactured into a size corresponding to a product, and the round pipe can be a seamless steel pipe or a hot-rolled steel pipe. The processing method comprises the steps of selecting a round pipe with a corresponding length, using a cutting machine to perform round pipe materials with a corresponding size of a cutting knife, and directly manufacturing the round pipe with a required size (without cutting);
and (3) taper pressing treatment: the taper pressing treatment needs to be carried out through a taper pressing die of a punching machine, namely, a circular tube is provided with a tapered cylinder, the taper angle H is 20 degrees, and a hydraulic machine needs to descend at a constant speed, so that the problems of cracking and deformation of the circular tube and the like are solved.
S2, punching a center hole for positioning: the center punching hole positioning is mainly used for ensuring the precision of subsequent processing, and the stability of product processing can be better ensured.
S3, flattening planes on two sides: the two-side plane flattening is used for preventing the problems of plane deformation, unevenness and the like of the flat plate during the profiling treatment, and the stability and the processing precision of the subsequent processing procedure can be ensured after the plane is flattened.
S4, spin forming treatment: the spinning forming treatment is to carry out spinning setting by a spinning machine, namely the setting of the preliminary shape of the retainer ring and the setting of the size, wherein the spinning machine is required to run at a constant speed during spinning, so that obvious lines on the surface of the retainer ring are prevented from being spun.
S5, fine machining: the finish machining is mainly to carry out final finish machining treatment on the shape and the size of the retainer ring;
s6, cutting: the cutting-off is mainly to cut an opening for installation on the annular retainer ring, and the distance of the opening can be 3 mm;
s7, punching a prying opening: because the retainer ring is installed with the wheel, a prying opening convenient to detach is needed in the detaching process;
s8, polishing: the polishing is mainly to polish burrs and the outer surface of the check ring
S9, final inspection: the final inspection is to inspect each size of the check ring to determine whether the required size is reached
S10, painting: the check ring is mainly painted to prevent the outer surface from rusting and is easy to store.
Example 2:
referring to fig. 1, a processing technology of a check ring includes the following steps:
s1, blanking is a round pipe: the round pipe needs to be manufactured into a size corresponding to a product, and the round pipe can be a seamless steel pipe or a hot-rolled steel pipe. The processing mode is to directly manufacture a round pipe with the required size (without cutting off);
and (3) taper pressing treatment: the taper pressing treatment needs to be carried out through a taper pressing die of a punching machine, namely, a circular tube is provided with a tapered cylinder, the taper angle H is 75 degrees, and a hydraulic machine needs to descend at a constant speed to prevent the circular tube from cracking and deforming and the like.
S2, punching a center hole for positioning: the center punching hole positioning is mainly used for ensuring the precision of subsequent processing, and the stability of product processing can be better ensured.
S3, flattening planes on two sides: the two-side plane flattening is used for preventing the problems of plane deformation, unevenness and the like of the flat plate during the profiling treatment, and the stability and the processing precision of the subsequent processing procedure can be ensured after the plane is flattened.
S4, spin forming treatment: the spinning forming treatment is to carry out spinning setting by a spinning machine, namely the setting of the preliminary shape of the retainer ring and the setting of the size, wherein the spinning machine is required to run at a constant speed during spinning, so that obvious lines on the surface of the retainer ring are prevented from being spun.
S5, fine machining: the finish machining is mainly to carry out final finish machining treatment on the shape and the size of the retainer ring;
s6, cutting: the cutting-off is mainly to cut an opening for installation on the annular retainer ring, and the distance of the opening can be 10 mm;
s7, punching a prying opening: because the retainer ring is installed with the wheel, a prying opening convenient to detach is needed in the detaching process;
s8, polishing: the polishing mainly comprises the steps of polishing burrs and the outer surface of the check ring;
s9, final inspection: the final inspection is to inspect each size of the check ring to determine whether the required size is reached
S10, painting: the check ring is mainly painted to prevent the outer surface from rusting and is easy to store.
Example 3:
referring to fig. 1, a processing technology of a check ring includes the following steps:
s1, blanking is a round pipe: the round pipe needs to be manufactured into a size corresponding to a product, and the round pipe can be a seamless steel pipe or a hot-rolled steel pipe. The processing method comprises the steps of selecting a round pipe with a corresponding length, using a cutting machine to perform round pipe materials with a corresponding size of a cutting knife, and directly manufacturing the round pipe with a required size (without cutting);
and (3) taper pressing treatment: the taper pressing treatment needs to be carried out through a taper pressing die of a punching machine, namely, a circular tube is provided with a tapered cylinder, the taper angle H is 52 degrees, and a hydraulic machine needs to descend at a constant speed, so that the problems of cracking and deformation of the circular tube and the like are solved.
S2, punching a center hole for positioning: the center punching hole positioning is mainly used for ensuring the precision of subsequent processing, and the stability of product processing can be better ensured.
S3, flattening planes on two sides: the two-side plane flattening is used for preventing the problems of plane deformation, unevenness and the like of the flat plate during the profiling treatment, and the stability and the processing precision of the subsequent processing procedure can be ensured after the plane is flattened.
S4, spin forming treatment: the spinning forming treatment is to carry out spinning setting by a spinning machine, namely the setting of the preliminary shape of the retainer ring and the setting of the size, wherein the spinning machine is required to run at a constant speed during spinning, so that obvious lines on the surface of the retainer ring are prevented from being spun.
S5, fine machining: the finish machining is mainly to carry out final finish machining treatment on the shape and the size of the retainer ring;
s6, cutting: the cutting-off is mainly to cut an opening for installation on the annular retainer ring, and the distance of the opening can be 7 mm;
s7, punching a prying opening: because the retainer ring is installed with the wheel, a prying opening convenient to detach is needed in the detaching process;
s8, polishing: the polishing is mainly to polish burrs and the outer surface of the check ring
S9, final inspection: the final inspection is to inspect each size of the check ring to determine whether the required size is reached
S10, painting: the check ring is mainly painted to prevent the outer surface from rusting and is easy to store.
Example 4:
referring to fig. 1, a processing technology of a check ring includes the following steps:
s1, blanking is a round pipe: the round pipe needs to be manufactured into a size corresponding to a product, and the round pipe can be a seamless steel pipe or a hot-rolled steel pipe. The processing mode is to directly manufacture a round pipe with the required size (without cutting off);
and (3) taper pressing treatment: the taper pressing treatment needs to be carried out through a taper pressing die of a punching machine, namely, a circular tube is provided with a tapered cylinder, the taper angle H is 40 degrees, and a hydraulic machine needs to descend at a constant speed, so that the problems of cracking and deformation of the circular tube and the like are solved.
S2, punching a center hole for positioning: the center punching hole positioning is mainly used for ensuring the precision of subsequent processing, and the stability of product processing can be better ensured.
S3, flattening planes on two sides: the two-side plane flattening is used for preventing the problems of plane deformation, unevenness and the like of the flat plate during the profiling treatment, and the stability and the processing precision of the subsequent processing procedure can be ensured after the plane is flattened.
S4, spin forming treatment: the spinning forming treatment is to carry out spinning setting by a spinning machine, namely the setting of the preliminary shape of the retainer ring and the setting of the size, wherein the spinning machine is required to run at a constant speed during spinning, so that obvious lines on the surface of the retainer ring are prevented from being spun.
S5, fine machining: the finish machining is mainly to carry out final finish machining treatment on the shape and the size of the retainer ring;
s6, cutting: the cutting-off is mainly to cut an opening for installation on the annular retainer ring, and the distance of the opening can be 5 mm;
s7, punching a prying opening: because the retainer ring is installed with the wheel, a prying opening convenient to detach is needed in the detaching process;
s8, polishing: the polishing mainly comprises the steps of polishing burrs and the outer surface of the check ring;
s9, final inspection: the final inspection is to inspect each size of the check ring to determine whether the required size is reached
S10, painting: the check ring is mainly painted to prevent the outer surface from rusting and is easy to store.
Example 5:
referring to fig. 2, a processing technology of a check ring includes the following steps:
s1, blanking is a circular plate material: and (3) cutting a circle or blanking and stamping the rectangular material to obtain a round plate material with a corresponding size.
S2, punching a center hole for positioning: the center punching hole positioning is mainly used for ensuring the precision of subsequent processing, and the stability of product processing can be better ensured.
S3, flattening planes on two sides: the two-side plane flattening is used for preventing the problems of plane deformation, unevenness and the like of the flat plate during the profiling treatment, and the stability and the processing precision of the subsequent processing procedure can be ensured after the plane is flattened.
S4, spin forming treatment: the spinning forming treatment is to carry out spinning setting by a spinning machine, namely the setting of the preliminary shape of the retainer ring and the setting of the size, wherein the spinning machine is required to run at a constant speed during spinning, so that obvious lines on the surface of the retainer ring are prevented from being spun.
S5, fine machining: the finish machining is mainly to carry out final finish machining treatment on the shape and the size of the retainer ring;
s6, cutting: the cutting-off is mainly to cut an opening for installation on the annular retainer ring, and the distance of the opening can be 3 mm;
s7, punching a prying opening: because the retainer ring is installed with the wheel, a prying opening convenient to detach is needed in the detaching process;
s8, polishing: the polishing is mainly to polish burrs and the outer surface of the check ring
S9, final inspection: the final inspection is to inspect each size of the check ring to determine whether the required size is reached
S10, painting: the check ring is mainly painted to prevent the outer surface from rusting and is easy to store.
Example 6:
referring to fig. 2, a processing technology of a check ring includes the following steps:
s1, blanking is a circular plate material: and (3) cutting a circle or blanking and stamping the rectangular material to obtain a round plate material with a corresponding size.
S2, punching a center hole for positioning: the center punching hole positioning is mainly used for ensuring the precision of subsequent processing, and the stability of product processing can be better ensured.
S3, flattening planes on two sides: the two-side plane flattening is used for preventing the problems of plane deformation, unevenness and the like of the flat plate during the profiling treatment, and the stability and the processing precision of the subsequent processing procedure can be ensured after the plane is flattened.
S4, spin forming treatment: the spinning forming treatment is to carry out spinning setting by a spinning machine, namely the setting of the preliminary shape of the retainer ring and the setting of the size, wherein the spinning machine is required to run at a constant speed during spinning, so that obvious lines on the surface of the retainer ring are prevented from being spun.
S5, fine machining: the finish machining is mainly to carry out final finish machining treatment on the shape and the size of the retainer ring;
s6, cutting: the cutting-off is mainly to cut an opening for installation on the annular retainer ring, and the distance of the opening can be 8 mm;
s7, punching a prying opening: because the retainer ring is installed with the wheel, a prying opening convenient to detach is needed in the detaching process;
s8, polishing: the polishing is mainly to polish burrs and the outer surface of the check ring
S9, final inspection: the final inspection is to inspect each size of the check ring to determine whether the required size is reached
S10, painting: the check ring is mainly painted to prevent the outer surface from rusting and is easy to store.
Example 7:
referring to fig. 2, a processing technology of a check ring includes the following steps:
s1, circular plate material: the long cylindrical material is cut into round plate materials with required sizes.
S2, punching a center hole for positioning: the center punching hole positioning is mainly used for ensuring the precision of subsequent processing, and the stability of product processing can be better ensured.
S3, flattening planes on two sides: the two-side plane flattening is used for preventing the problems of plane deformation, unevenness and the like of the flat plate during the profiling treatment, and the stability and the processing precision of the subsequent processing procedure can be ensured after the plane is flattened.
S4, spin forming treatment: the spinning forming treatment is to carry out spinning setting by a spinning machine, namely the setting of the preliminary shape of the retainer ring and the setting of the size, wherein the spinning machine is required to run at a constant speed during spinning, so that obvious lines on the surface of the retainer ring are prevented from being spun.
S5, fine machining: the finish machining is mainly to carry out final finish machining treatment on the shape and the size of the retainer ring;
s6, cutting: the cutting-off is mainly to cut an opening for installation on the annular retainer ring, and the distance of the opening can be 10 mm;
s7, punching a prying opening: because the retainer ring is installed with the wheel, a prying opening convenient to detach is needed in the detaching process;
s8, polishing: the polishing mainly comprises the steps of polishing burrs and the outer surface of the check ring;
s9, final inspection: the final inspection is to inspect each size of the check ring to determine whether the required size is reached
S10, painting: the check ring is mainly painted to prevent the outer surface from rusting and is easy to store.
Example 8:
referring to fig. 2, a processing technology of a check ring includes the following steps:
s1, circular plate material: the long cylindrical material is cut into round plate materials with required sizes.
S2, punching a center hole for positioning: the center punching hole positioning is mainly used for ensuring the precision of subsequent processing, and the stability of product processing can be better ensured.
S3, flattening planes on two sides: the two-side plane flattening is used for preventing the problems of plane deformation, unevenness and the like of the flat plate during the profiling treatment, and the stability and the processing precision of the subsequent processing procedure can be ensured after the plane is flattened.
S4, spin forming treatment: the spinning forming treatment is to carry out spinning setting by a spinning machine, namely the setting of the preliminary shape of the retainer ring and the setting of the size, wherein the spinning machine is required to run at a constant speed during spinning, so that obvious lines on the surface of the retainer ring are prevented from being spun.
S5, fine machining: the finish machining is mainly to carry out final finish machining treatment on the shape and the size of the retainer ring;
s6, cutting: the cutting-off is mainly to cut an opening for installation on the annular retainer ring, and the distance of the opening can be 3 mm;
s7, punching a prying opening: because the retainer ring is installed with the wheel, a prying opening convenient to detach is needed in the detaching process;
s8, polishing: the polishing mainly comprises the steps of polishing burrs and the outer surface of the check ring;
s9, final inspection: the final inspection is to inspect each size of the check ring to determine whether the required size is reached
S10, painting: the check ring is mainly painted to prevent the outer surface from rusting and is easy to store.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The processing technology of the check ring is characterized in that: the method comprises the following steps:
s1: blanking;
s2: punching a central positioning hole; punching a central positioning hole on the raw material;
s3: flattening planes on two sides; flattening the two sides of the punched raw material;
s4: spinning and forming; spinning and shaping by a spinning machine, namely shaping the initial shape of the retainer ring and shaping the size;
s5: fine processing; carrying out final finish machining treatment on the shape and the size of the retainer ring;
s6: cutting treatment; cutting an opening for installation on the annular retainer ring;
s7: punching a prying opening; punching a prying opening on the annular retainer ring;
s8: polishing; and grinding burrs and the outer surface of the retainer ring.
2. The processing technology of the check ring according to claim 1, characterized in that: and the raw material discharged in the step S1 is a round pipe, the round pipe with the corresponding length is selected, the round pipe is subjected to taper pressing treatment through a taper pressing die of a punching machine, and the round pipe is made into a cylinder with taper.
3. The processing technology of the check ring according to claim 2, characterized in that: the taper of the cylinder is H, and the H is between 20 and 75 degrees.
4. The processing technology of the check ring according to claim 2, characterized in that: and a hydraulic machine of the punching machine needs to descend at a constant speed to perform taper pressing treatment on the circular tube.
5. The processing technology of the check ring according to claim 1, characterized in that: and the raw material fed in the S1 is a circular plate.
6. The processing technology of the check ring according to claim 1, characterized in that: the steps further include S9: final inspection; the sizes of the check rings are detected whether the required sizes are achieved.
7. The processing technology of the check ring according to claim 1, characterized in that: the steps further include S10: painting; the retainer ring is painted to prevent the outer surface from rusting and is easy to store.
8. The processing technology of the check ring according to claim 1, characterized in that: and the spinning machine in the S4 runs at a constant speed during spinning.
9. The processing technology of the check ring according to claim 1, characterized in that: the opening of the cutting treatment in the S6 is 3-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118148.4A CN110814655A (en) | 2019-11-15 | 2019-11-15 | Processing technology of check ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118148.4A CN110814655A (en) | 2019-11-15 | 2019-11-15 | Processing technology of check ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110814655A true CN110814655A (en) | 2020-02-21 |
Family
ID=69555540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911118148.4A Pending CN110814655A (en) | 2019-11-15 | 2019-11-15 | Processing technology of check ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110814655A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057981A (en) * | 2015-07-30 | 2015-11-18 | 重庆川东减震制造有限公司 | Processing method of bearing check ring |
| CN105889744A (en) * | 2016-06-07 | 2016-08-24 | 浙江东星汽车部件有限公司 | Spinning flange ring and forming technology thereof |
| CN110434261A (en) * | 2019-08-14 | 2019-11-12 | 宏源精工车轮股份有限公司 | A kind of slag-soil truck Wheel retainer ring processing technology |
-
2019
- 2019-11-15 CN CN201911118148.4A patent/CN110814655A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057981A (en) * | 2015-07-30 | 2015-11-18 | 重庆川东减震制造有限公司 | Processing method of bearing check ring |
| CN105889744A (en) * | 2016-06-07 | 2016-08-24 | 浙江东星汽车部件有限公司 | Spinning flange ring and forming technology thereof |
| CN110434261A (en) * | 2019-08-14 | 2019-11-12 | 宏源精工车轮股份有限公司 | A kind of slag-soil truck Wheel retainer ring processing technology |
Non-Patent Citations (1)
| Title |
|---|
| 《自来水笔制造工艺》编写组编: "《自来水笔制造工艺》", 31 July 1988, 轻工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101269456B (en) | Process for manufacturing steel spoke | |
| CN111889967B (en) | Flat plate winding type rim forming process | |
| CN102152089B (en) | Molding method of large-difference variable-diameter spinning pulley | |
| CN106001230A (en) | Forming technology of belt wheel for compound shock absorber | |
| CN100358736C (en) | Making process of assembled hub-type steel wheel | |
| CN101342555A (en) | Technique for flow forming processing metal sheet into revolution body and thickening wall | |
| CN103707010B (en) | A kind of bottomless spherical method for manufacturing parts | |
| CN105889744A (en) | Spinning flange ring and forming technology thereof | |
| CN102974676A (en) | Method for pressing conical cover reinforcing ribs | |
| CN111037209A (en) | Novel production process of automobile wheel spoke plate | |
| CN102489658A (en) | Method for machining belt wheel with wheel hub by spinning | |
| CN110814655A (en) | Processing technology of check ring | |
| US6427329B2 (en) | Method of forming a hub with blind bore | |
| CN112705908A (en) | Manufacturing process of automobile steel ring spoke plate | |
| CN101961745A (en) | Method for forming two workpieces by spinning and mold group using same | |
| CN106938385A (en) | The processing method and wheel spoke of a kind of wheel spoke | |
| CN102922238A (en) | Production process of body flange | |
| JP3954104B2 (en) | Method for forming spun or twisted ring and spun or twisted ring manufactured without cutting | |
| CN109175926A (en) | A kind of truck vehicle bridge ABS ring gear machining technique | |
| CN206046799U (en) | The two-way spinning spinning roller of reflectal wheel hub | |
| CN108515320A (en) | A kind of male and fomale(M＆F) truck spoke production technology | |
| CN209340445U (en) | A kind of minor diameter two-groove belt pulley | |
| CN114042808B (en) | Stamping process for high-precision galvanized belt pulley, belt pulley and stamping system | |
| CN112548508A (en) | Manufacturing process of automobile brake drum steel shell | |
| CN105964842A (en) | Method for producing bearing outer rings |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200221 |