CN103128600B - Steering spindle process equipment - Google Patents
Steering spindle process equipment Download PDFInfo
- Publication number
- CN103128600B CN103128600B CN201210119283.2A CN201210119283A CN103128600B CN 103128600 B CN103128600 B CN 103128600B CN 201210119283 A CN201210119283 A CN 201210119283A CN 103128600 B CN103128600 B CN 103128600B
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- CN
- China
- Prior art keywords
- steering spindle
- processing
- inclined plane
- processing component
- supporter
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/28—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning wheels or wheel sets or cranks thereon, i.e. wheel lathes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/08—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
Abstract
The present invention is about steering spindle process equipment, respectively by processed clip head and tail seat, steering spindle processing component is fixedly secured, centered by the taper inclined plane being positioned at the described processing component of vehicle steering assembling position, by being separately positioned on the first processing department of both sides and the second processing department bearing assembled portion of machine direction dish joint portion and steering spindle on described processing component simultaneously.The present invention includes: processing chuck, tailstock, the first processing department and the second processing department; Processing chuck is rotated by motor, and the one end of inserting the described processing component forming taper inclined plane in the position of assembling motor vehicle steering wheel is fixed; Tailstock can insert taper inclined plane, supports, and can advance to processing chuck direction or retreat from processing chuck; First processing department and the second processing department lay respectively at tailstock both sides centered by tailstock, can distinguish the bearing assembled portion of machine direction dish joint portion and steering spindle on described processing component.
Description
Technical field
The present invention is about a kind of steering spindle process equipment, illustrate for, involved steering spindle process equipment passes through the bearing assembled portion of machine direction dish and steering spindle simultaneously at steering spindle two ends, greatly shorten process time, by being that benchmark is processed steering spindle with position of vehicle steering wheel, improve assembling property, improve working (machining) efficiency and production efficiency in the unit interval simultaneously.
Background technology
In general, the direction adjusting apparatus of automobile changes automobile direct of travel by swivel wheel, its direction adjustment process is: driver turns's steering wheel, the steering spindle be combined with steering wheel by spline or sawtooth is rotated, steering spindle makes the tooth sector be connected with wheel by linkage start, final change vehicle direct of travel.
The two ends of steering spindle are processed to form the steering wheel joint portion of bonding position dish and tooth sector and the bearing assembled portion of steering spindle, steering spindle is by described steering wheel joint portion and bearing assembled portion and steering wheel and tooth sector strong bonded and obtain support, to guarantee that direction adjusting apparatus normally works.
In existing steering spindle processing method, first the parts of metal material are processed into tubulose by rolling or pressing mode, then by machining mode successively machined grooves on the part, final molding.
Existing steering spindle needs plurality of devices just can complete the processing and forming of each several part shape, the economic input not only getting all the equipment needed thereby needs ready is larger, and made by multiple equipment, required Production Time and operation all can increase to some extent, reduce production efficiency.
A kind of steering spindle manufacturing equipment of KR published patent 10-2006-0032904 publicity, its composition comprises: body, transport unit, fast headstock, processing department, tool stand; Wherein, tubing is sent to working space by transport unit; Fast headstock is fixed the tubing that described transport unit transmits and rotates tubing; Processing department is fixed on described fast headstock and rotates, and by rolling mode, one end of described tubing is shaped to definite shape; Tool stand is provided with the instrument forming sawtooth at described tubing one end inner surface.
Described prior art is when processing the assembled portion of steering spindle, and process steering wheel joint portion and bearing assembled portion respectively, therefore, man-hours requirement is longer.
As mentioned above, man-hour, prolongation directly caused increase the process time needed for processing steering spindle, greatly reduced the production efficiency of processing steering spindle.
In addition, in prior art, the Support Position of steering spindle processing component is stable not, utilizes process equipment to carry out adding man-hour, and dislocation easily appears in the position of steering spindle processing component, is difficult to realize Precision Machining, disqualification rate is increased.
Prior art document
Patent document
Patent document 1 Ebrean Registered Patent No.10-0876550 (date of registration 2008.12.23.)
Patent document 2 KR published patent application No.10-2006-0032904 (publication date 2006.04.18.)
Summary of the invention
The present invention proposes for solving Problems existing in existing steering spindle process, its objective is and a kind of novel steering axis machining apparatus is provided, this equipment has the chuck of rotation steering spindle processing component and the tailstock to described chuck direction movement, during processing steering spindle, can provide support the taper inclined plane of steering spindle processing component, steering spindle processing component is rotated under the state firmly supported by chuck and tailstock, and processed steering wheel joint portion and the bearing assembled portion of steering spindle by two processing departments, thus process time can be shortened simultaneously.And, by processing steering spindle for benchmark using the taper inclined plane as vehicle steering assembling position, can assembling property be improved, improving the working (machining) efficiency in the unit interval and production efficiency.
For achieving the above object, steering spindle process equipment of the present invention comprises: processing chuck, tailstock, the first processing department and the second processing department; Wherein, processing chuck is rotated by motor, inserts the one end being formed with the steering spindle processing component of taper inclined plane be fixed in the position of assembling motor vehicle steering wheel; Tailstock can insert the taper inclined plane that the steering spindle processing component being fixed on processing chuck is inserted in described one end, supports taper inclined plane, and tailstock can advance to processing chuck direction or retreat from processing chuck; First processing department and the second processing department are centered by described tailstock, lay respectively at tailstock both sides, at one end can be fixed on processing chuck and the bearing assembled portion of machine direction dish joint portion and steering spindle respectively on steering spindle processing component taper inclined plane supported by tailstock.
Described processing chuck comprises: supporter, guide body, attaching body, spring; Wherein, insert one end of described steering spindle processing component in supporter, form the handle part that can hold the steering spindle processing component outer surface of insertion, supporter inside is in hollow state, and supporter is rotated by described motor; The inner surface of guide body is close to the outer surface of described handle part; Attach body to be close to and to be positioned at supporter inside that described inside be hollow state and outer surface is close to steering spindle processing component one end of the handle part of described supporter; It is inner that spring is positioned at described supporter, is clipped in described attaching external surface, pushes described supporter to described guide body side all the time.
Described tailstock comprises: bearing supporting body, movable body, guide rail, front and back cylinder; Wherein, bearing supporting body forms inclined plane insertion section, and the taper inclined plane that described steering spindle processing component is formed can be inserted in inclined plane insertion section, and bearing supporting body lays described inclined plane insertion section by bearing; The upper end of movable body is combined with the lower end of described bearing supporting body by combining pin, and the lower end of movable body forms rail portion; The rail portion that the lower end that described movable body is close to by guide rail is formed; Front and back cylinder has the piston rod be connected with described movable body below.
First one end of steering spindle processing component is inserted into processing chuck by the present invention, then tailstock is shifted to processing component, the taper inclined plane that the outer surface of steering spindle processing component is formed is inserted into tailstock and is fixed, then the bearing assembled portion of steering wheel joint portion and the steering spindle be combined with steering wheel is processed by the first processing department and the second processing department, the present invention processes steering spindle processing component using the taper inclined plane as steering wheel assembling position for benchmark, homogeneous assembling property can be guaranteed, again due to while machine direction dish joint portion and the bearing assembled portion of steering spindle, thus greatly manufacturing procedure can be simplified, shorten the activity duration, improve productivity and operating efficiency.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of steering spindle process equipment of the present invention;
Fig. 2 is the structural representation of the processing chuck of steering spindle process equipment of the present invention;
Fig. 3 is the structural representation of the tailstock of steering spindle process equipment of the present invention;
Fig. 4 is the schematic diagram that the processing chuck of steering spindle process equipment of the present invention combines the state of steering spindle processing component;
Fig. 5 is that the tailstock of steering spindle process equipment of the present invention moves to processing chuck direction, the schematic diagram of the state of fixing steering spindle processing component;
Fig. 6 is that steering spindle process equipment of the present invention is to the schematic diagram of the state that steering spindle processing component is processed.
Description of reference numerals
10: steering spindle processing component 11: taper inclined plane
110: processing chuck 110a: motor
111: supporter 111a: handle part
111b: handle part outer surface 112: guide body
112a: guide body inner surface 113: attach body
114: spring 120: tailstock
121: bearing supporting body 121a: inclined plane insertion section
121b: bearing 122: movable body
122a: combine pin 122b: rail portion
123: guide rail 124: front and back cylinder
124a: piston rod 125: brake
125a: support 126: discharge cylinder
130: the first processing department 130a: the second processing departments.
Detailed description of the invention
With reference to the accompanying drawings structure and working principle of the present invention is described in detail.In the following description, artificially realize based on invention the principle that best illustration effect suitably can define term concept, the term used in this specification and claims book or vocabulary should be understood according to the meaning and concept meeting the technology of the present invention thought.
As shown in the figure, steering spindle process equipment of the present invention comprises: processing chuck 110, tailstock 120, first processing department 130 and the second processing department 130a; Wherein, processing chuck is rotated by motor 110a, inserts the one end being formed with the steering spindle processing component 10 of taper inclined plane 11 be fixed in the position of assembling motor vehicle steering wheel; Tailstock has bearing supporting body 121, this bearing supporting body 121 can insert the taper inclined plane 11 that the steering spindle processing component 10 being fixed on processing chuck 110 is inserted in described one end, support taper inclined plane 11, bearing supporting body 121 can be advanced to processing chuck 110 direction or retreat from processing chuck 110; First processing department and the second processing department are centered by the bearing supporting body 121 of described tailstock 120, lay respectively at bearing supporting body 121 both sides, at one end can be fixed on processing chuck 110 and the bearing assembled portion of machine direction dish joint portion and steering spindle respectively on the steering spindle processing component 10 supported by tailstock 120 pairs of taper inclined planes 11.
Described first processing department 130 and the second processing department 130a are centered by the bearing supporting body 121 of described tailstock 120, lay respectively at bearing supporting body 121 both sides, the first processing department 130 and the second processing department 130a generally adopt and carry out roughing or accurately machined process equipment to parts.
The present invention has described structure, the taper inclined plane 11 of described steering spindle processing component 10 is inserted in the bearing supporting body 121 of tailstock 120 and supports, the steering wheel joint portion of steering spindle of the present invention's processing and steering spindle bearing assembled part not with steering wheel and tooth sector in conjunction with time, the taper inclined plane 11 of described steering spindle processing component 10 is positioned at vehicle steering assembling position.
As mentioned above, the bearing supporting body 121 that the taper inclined plane 11 of the steering spindle processing component 10 being arranged in vehicle steering assembling position is inserted into tailstock 120 supports by the present invention, and by the bearing assembled portion of the first processing department 130 and the second processing department 130a machine direction dish joint portion and steering spindle simultaneously, homogeneous assembling property can be guaranteed, due to while machine direction dish joint portion and the bearing assembled portion of steering spindle, thus manufacturing procedure can be simplified, shorten the activity duration, improve productivity and operating efficiency.
Described processing chuck 110 comprises: supporter 111, guide body 112, attaching body 113, spring 114; Wherein, insert one end of described steering spindle processing component 10 in supporter, form the handle part 111a that can hold steering spindle processing component 10 outer surface of insertion, supporter inside is in hollow state, and supporter is rotated by described motor 110a; The inner surface 112a of guide body is close to the outer surface 111b of described handle part 111a; Attach body to be close to one end and to be inserted into supporter 111 inside that described inside be hollow state and outer surface is close to steering spindle processing component 10 one end of the handle part 111a of described supporter 111; It is inner that spring is positioned at described supporter 111, is clipped in the outer surface of described attaching body 113, pushes described supporter 111 to described guide body 112 side all the time.
The outer surface 111b of described handle part 111a and the inner surface 112a of described guide body 112 be close to the outer surface 111b of described handle part 111a is inclined plane type, outer surface 111b and inner surface 112a is inserted into side from described supporter 111 to one end of steering spindle processing component 10 narrows gradually, and outer surface 111b and inner surface 112a is mutually corresponding.
The processing chuck 110 of steering spindle process equipment of the present invention, first inserts one end of steering spindle processing component 10, illustrate into, about 10mm is inserted in one end of steering spindle processing component 10 inside the handle part 111a of described supporter 111.
As mentioned above, inside handle part 111a one end of steering spindle processing component 10 being inserted into described supporter 111, when inserting one end of described steering spindle processing component 10, the outer surface 111b of described handle part 111a promotes by the inner surface 112a of described guide body 112, after one end of steering spindle processing component 10 is inserted completely, under the spring 114 arranged in described supporter 111 inside acts on, described attaching body 113 is close to one end of steering spindle processing component 10, under the thrust of spring 114, described supporter 111 will be pushed to guide body 112 side, one end of steering spindle processing component 10 is firmly supported.
Described tailstock 120 comprises: bearing supporting body 121, movable body 122, guide rail 123, front and back cylinder 124; Wherein, bearing supporting body forms inclined plane insertion section 121a, can insert the taper inclined plane 11 that described steering spindle processing component 10 is formed, and lay described inclined plane insertion section 121a with bearing 121b; The upper end of movable body is combined with the lower end of described bearing supporting body 121b by combining pin 122a, and the lower end of movable body forms rail portion 122b; The rail portion 122b that the lower end that described movable body 122 is close to by guide rail is formed; Front and back cylinder 124 has the piston rod 124a be connected with described movable body 122 below.
The movable body 122 of described tailstock is advanced by described front and back cylinder 124 or is retreated, piston rod 124a due to described front and back cylinder 124 is connected to after movable body 122, so when piston rod 124 is drawn out, the rail portion 122b that the lower end by movable body 122 is formed advances along described guide rail 123 by described movable body 12.
The tailstock 120 of steering spindle process equipment of the present invention is inserted into steering spindle processing component 10 side from the supporter 111 of described processing chuck 110 to one end is moved, the inclined plane insertion section 121a that the bearing supporting body 121 that the taper inclined plane 11 that the outer surface of described steering spindle processing component 10 is formed will be inserted into described tailstock 120 is formed.
Now, steering spindle processing component 10 is pushed to described processing chuck 110 side by described tailstock 120, simultaneously, the spring 114 that supporter 111 inside of processing chuck 110 is arranged also can push described steering spindle processing component 10 to described tailstock 120 side, thus firmly supports steering spindle processing component 10.
After the processed chuck 110 of described steering spindle processing component 10 and tailstock 120 firmly support, by described first processing department 130 and the second processing department 130a respectively in two side external surface machine direction dish joint portions of steering spindle processing component 10 and the bearing assembled portion of steering spindle.
There is before described movable body 122 brake 125 controlling described movable body 122 forward operation, described brake 125 is combined by support 125a, this support 125a is combined in the front of the described guiding rail 123 of the rail portion 122b movement guiding described movable body 122 in the mode that screw combines, when Front with described movable body 122 of brake 125, first processing department 130 and the second processing department 130a will start, carry out processing operation, for this reason, first processing department 130 is connected preferably by electrical way with the second processing department 130a, control.
First processing department 130 and the second processing department 130a complete the processing of bearing assembled portion of steering wheel joint portion and steering spindle respectively at two side external surfaces of steering spindle processing component 10 after, start and discharge cylinder 126, discharge the steering spindle processing component 10 be inserted in the 121a of inclined plane insertion section.
The present invention can realize various deformation example, below only the preferred embodiment of the present invention is illustrated, but the present invention is not limited to described embodiment, described embodiment and known technology are carried out the embodiment of simple combination application, and in scope described in claims of the present invention and description, the modified example that correlative technology field practitioner is obtained by simple deformation all should belong to the claims in the present invention scope.
Claims (4)
1. a steering spindle process equipment, is characterized in that, this steering spindle process equipment comprises: processing chuck (110), tailstock (120), the first processing department (130) and the second processing department (130a), wherein, described processing chuck (110) is rotated by motor (110a), and one end that insertion is formed with the steering spindle processing component (10) of taper inclined plane (11) is fixed, described taper inclined plane (11) is as the position of assembling motor vehicle steering wheel, described tailstock (120) has bearing supporting body (121), the taper inclined plane (11) that the steering spindle processing component (10) being fixed on processing chuck (110) is inserted in described one end can be inserted in this bearing supporting body (121), support described taper inclined plane (11), described bearing supporting body (121) can be advanced to described processing chuck (110) direction or retreat from described processing chuck (110), described first processing department (130) and the second processing department (130a) are centered by the bearing supporting body of described tailstock (120) (121), lay respectively at described bearing supporting body (121) both sides, and at one end can be fixed on described processing chuck (110) and the upper bearing assembled portion distinguishing machine direction dish joint portion and steering spindle of described steering spindle processing component (10) described taper inclined plane (11) supported by described tailstock (120), described processing chuck (110) comprising: supporter (111), guide body (112), attach body (113), spring (114), wherein, one end of described steering spindle processing component (10) is inserted in described supporter (111), described supporter (111) forms the handle part (111a) that can hold the outer surface of the described steering spindle processing component (10) of insertion, described supporter (111) inside is in hollow state, and described supporter (111) is rotated by described motor (110a), the inner surface (112a) of described guide body (112) is close to the outer surface (111b) of described handle part (111a), described attaching body (113) is close to one end and is inserted into steering spindle processing component (10) one end that the inner and outer surface of supporter (111) that described inside is hollow state is close to the handle part (111a) of described supporter (111), it is inner that described spring (114) is positioned at described supporter (111), be clipped in described attaching body (113) outer surface, described spring (114) pushes described supporter (111) to described guide body (112) side all the time.
2. steering spindle process equipment according to claim 1, wherein, the outer surface (111b) of described handle part (111a) and the inner surface (112a) of described guide body (112) be close to the outer surface (111b) of described handle part (111a) are in inclined plane type, described outer surface (111b) and described inner surface (112a) are inserted into side from described supporter (111) to one end of described steering spindle processing component (10) narrows gradually, and described outer surface (111b) and described inner surface (112a) are mutually corresponding.
3. steering spindle process equipment according to claim 1, wherein, described tailstock (120) comprising: bearing supporting body (121), movable body (122), guide rail (123), front and back cylinder (124); Wherein, described bearing supporting body (121) is formed with inclined plane insertion section (121a), described inclined plane insertion section (121a) can insert the taper inclined plane (11) that described steering spindle processing component (10) is formed, and described inclined plane insertion section (121a) laid by described bearing supporting body (121) bearing (121b); The upper end of movable body (122) is combined with the lower end of described bearing supporting body (121b) by combining pin (122a), and the lower end of movable body (122) forms rail portion (122b); The rail portion (122b) that the lower end that described movable body (122) is close to by described guide rail (123) is formed; Described front and back cylinder (124) have the piston rod (124a) be connected with described movable body (122) below.
4. steering spindle process equipment according to claim 3, wherein, there is before described movable body (122) brake (125) controlling described movable body (122) forward operation, described brake (125) is combined by support (125a), and this support (125a) is combined in the front of the described guide rail (123) of rail portion (122b) movement guiding described movable body (122) in the mode that screw combines.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110121426A KR101323132B1 (en) | 2011-11-21 | 2011-11-21 | Processing equipment for steering shaft |
| KR10-2011-0121426 | 2011-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103128600A CN103128600A (en) | 2013-06-05 |
| CN103128600B true CN103128600B (en) | 2015-10-21 |
Family
ID=48489389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210119283.2A Active CN103128600B (en) | 2011-11-21 | 2012-04-20 | Steering spindle process equipment |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101323132B1 (en) |
| CN (1) | CN103128600B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101441053B1 (en) * | 2013-09-27 | 2014-09-17 | 주식회사 동화티씨에이 | A copper round bar working device for a lathe |
| CN108393581B (en) * | 2017-02-08 | 2020-10-13 | 大族激光科技产业集团股份有限公司 | Assembly equipment |
| KR200488228Y1 (en) * | 2017-08-09 | 2018-12-28 | 두산중공업 주식회사 | Jig for preventing workpiece separation) |
| KR101896657B1 (en) | 2018-02-06 | 2018-09-07 | 박명희 | CNC machine |
| KR101970189B1 (en) | 2018-04-12 | 2019-04-19 | 김순득 | shaft overhead equipment |
| CN110961960B (en) * | 2019-11-14 | 2021-06-11 | 首都航天机械有限公司 | Numerical control lathe clamp for machining slender shaft with flange plate |
| KR102390218B1 (en) | 2020-06-24 | 2022-04-25 | (주)센트랄모텍 | Processing Equipment and Method for shaft rotor |
| KR102447010B1 (en) | 2022-01-14 | 2022-09-22 | 문철규 | CNC automatic lathe |
| KR20230129689A (en) | 2022-03-02 | 2023-09-11 | 김진율 | CNC automatic lathe |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394953A (en) * | 2006-03-02 | 2009-03-25 | 泰森克鲁普普里斯塔股份公司 | Method of producing a steering gear shaft part and stearing gear shaft having such a steering gear shaft part |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01121104A (en) * | 1987-10-30 | 1989-05-12 | Okuma Mach Works Ltd | Combined maching lathe with back face machining mechanism |
| KR200177998Y1 (en) * | 1997-12-31 | 2000-04-15 | 추호석 | Tail shaft stroke situation sensing device |
| JP2003275903A (en) * | 2002-03-25 | 2003-09-30 | Nakamura Tome Precision Ind Co Ltd | Anti-vibration tool for workpiece |
| KR20060032904A (en) * | 2004-10-13 | 2006-04-18 | 전한병 | Method for making steering shaft and making steering shaft device |
-
2011
- 2011-11-21 KR KR1020110121426A patent/KR101323132B1/en active IP Right Grant
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2012
- 2012-04-20 CN CN201210119283.2A patent/CN103128600B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394953A (en) * | 2006-03-02 | 2009-03-25 | 泰森克鲁普普里斯塔股份公司 | Method of producing a steering gear shaft part and stearing gear shaft having such a steering gear shaft part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103128600A (en) | 2013-06-05 |
| KR101323132B1 (en) | 2013-10-30 |
| KR20130055808A (en) | 2013-05-29 |
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