CN102717679A - Rear torsion beam structure of car and manufacturing method thereof - Google Patents
Rear torsion beam structure of car and manufacturing method thereof Download PDFInfo
- Publication number
- CN102717679A CN102717679A CN2012102215808A CN201210221580A CN102717679A CN 102717679 A CN102717679 A CN 102717679A CN 2012102215808 A CN2012102215808 A CN 2012102215808A CN 201210221580 A CN201210221580 A CN 201210221580A CN 102717679 A CN102717679 A CN 102717679A
- Authority
- CN
- China
- Prior art keywords
- beam body
- turn round
- torsion beam
- rear torsion
- circle
- 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.)
- Granted
Links
Images
Abstract
A rear torsion beam structure of a car and a manufacturing method thereof are used for solving the problem that a rear torsion beam is complicated in manufacturing process and high in production cost. The technical scheme is that the rear torsion beam structure comprises a rear torsion beam body and a longitudinal arm, the rear torsion beam body is a horizontally symmetrical structure, and two ends of the rear torsion beam body are respectively welded to the longitudinal arm. The rear torsion beam structure of the car is characterized in that the rear torsion beam body is formed by stamping a steel plate, and an end outline of a stamping blanking curve is formed by connecting 9 sections of arcs through smooth transition. A processing method of the rear torsion beam body includes steps of blanking, stamping, punching, reshaping, shot blasting and the like. The rear torsion beam structure of the car and the manufacturing method of the rear torsion beam structure have the advantages of changing the structural shape of the rear torsion beam body, and reducing maximum stress value at the end by 60%; choosing a high-strength steel plate as a raw material, reducing cost of a rear torsion beam, and achieving light weight of products; and improving surface hardness of the rear torsion beam body, and enabling fatigue life of the rear torsion beam structure to arrive more than 800-thousand times through shot blasting.
Description
Technical field
The present invention relates to a kind of automobile component and method for making, turn round behind particularly a kind of car girder construction and after turn round beam body job operation, belong to automobile technical field.
Background technology
Modern Car is devoted to improve safety and traveling comfort outside guaranteeing its key property, develop to high additive value, High Performance, high quality, lightweight direction.As torsion beam suspension system behind the car that improves road-holding property, travelling comfort is a chief component of automobile; Therefore to ride comfort, road-holding property and the car load NVH performance important influence of vehicle, turning round the beam assembly after is the vitals that each car production enterprise updates, innovates.Turn round behind the automobile beam assembly by after turn round beam body, trailing arm, coil spring support, antivibration device support, wheel hub holder etc. and form, turn round the vital part that the beam body is a load after wherein.Disclosed turning round in the beam manufacturing approach in the Chinese patent 201080016173; Turn round the raw material of beam body after selecting for use metal pipe material to be, utilize the shaping method for processing, with metal pipe material middle part punching press forming V-shape cross section; And then each part welded assembling, turn round the beam assembly after the formation.Turn round the beam body after this structure through cae analysis, after to turn round the stress that bears beam-ends head position bigger, reach 1000MPa; Therefore the strength of material of selecting for use needs for high-strength materials like this, to adopt traditional cold punching technology can't satisfy deformation requirements greater than 1000MPa; Need to adopt Heat forming or shaped by fluid pressure technology; Material and processing technology have all caused turning round beam body cost to be increased, and it is big to take material weight, does not meet the weight-saving design concept.
Summary of the invention
The present invention is used to overcome the defective of prior art and provides a kind of and satisfying under the prerequisite of requirement of strength, reduces production costs, and turns round beam and job operation behind the simple car of simplified processing process.
The alleged problem of the present invention solves with following technical proposals:
Turn round girder construction behind a kind of car, turn round beam body and trailing arm after it comprises, after to turn round the beam body be the left-right symmetric structure; Weld with trailing arm respectively at its two ends, and its special feature is: turn round the beam body after said and be stamped to form by steel plate, the end profile of bar stock cutting by punching curve is formed by connecting 9 sections circular arc smooth transition; The line of centres of turning round beam body two ends liquid-leaking nozzle 3 later on is an abscissa, is ordinate with the symmetrical center line, and each section of left end circular arc is confirmed by following mode: R0=4.5; Central coordinate of circle is-502,0; R1=44, central coordinate of circle are-546.1,4.1; R2=48.5, and central coordinate of circle is-480.1 ,-64.8; R3=123.5, and central coordinate of circle is-651.8 ,-54.8; R4=11, central coordinate of circle are-558.5 ,-138.5; R5=50, and central coordinate of circle is-551.-2.3; R6=50, and central coordinate of circle is-489.76,76.76; R7=221.5, and central coordinate of circle is-757.6,34.6, R8=7, and central coordinate of circle is-574.6,171.3; Between circular arc R 1 and R0, be provided with radius and be 3 circular arc chamfering, between circular arc R 5 and R0, be provided with radius and be 3 circular arc chamfering, the unit of above-mentioned numerical value is mm.
Turn round girder construction behind the above-mentioned car; Turning round the beam body after said is bathtub construction; The cross-sectional plane of its both sides upper end and trailing arm weld is a U-shaped, and the bottom land crooked position arc radius Rd=39～41mm of said cross-sectional plane, opening size are that 66 mm, rear wall extend antetheca 12-13 mm; After turn round the approximate C shape of cross-sectional plane of beam body middle; The bottom land crooked position of said cross-sectional plane is formed by connecting two arc surface smooth transition that radius is respectively Ra1, Ra2; Wherein, Ra1=66～68mm, central angle are that 30-32 °, Ra2=10～11mm, central angle are that 50-53 °, opening size are that 78mm, rear wall extend antetheca 17-18 mm; The cross-sectional area of turning round the beam body after said is by gradual change in the middle of two side direction, and middle cross-sectional plane is less, and the shape of cross section of turning round the beam body after said is connect by gradual transition kiss in the middle of two side direction.
Turn round girder construction behind the above-mentioned car; Turning round beam body antetheca base after said is the arcwall face of radius R 9=1780-2177mm; Turning round beam body rear wall base after said is the arcwall face of radius R 10=2100-2220 mm, and turning round beam body top after said is the arcwall face of radius R 11=2020-2030mm.
Turn round the beam manufacturing approach behind the above-mentioned car, it carries out as follows:
A. blanking: adopting thickness of slab is the cold forming process hot rolling vehicle structure steel plate of 6-8mm, according to after turn round the blanking of beam body expansion drawing, cut out;
B. punching press: with the steel plate of cutting out punch forming on punching machine;
C. punching: after stamping forming, turn round on the beam body product towards the welding knock hole;
D. shaping: to after turn round beam body product and carry out shaping and handle;
E. ball blast: to after turn round beam body product and carry out Shot Blasting, the ball blast coverage rate is 98%, turning round beam shotblasting intensity detection is 0.3A-0.4A.
Turn round the beam manufacturing approach behind the above-mentioned car; In the said ball blast operation, with after turn round beam body product and be suspended on the disc suspension bracket, insert and carry out ball blast in the shot-blasting machine; The ball blast process needs at three stations of shot-blasting machine internal conversion, and each station is just changeing to throw to be made a call to 1.5 minutes, counter-rotating throwing and made a call to 1.5 minutes.
The present invention is directed to and turn round the beam complex manufacturing technology behind the car, problem that productive costs is high is improved; Its principal feature is embodied in following aspect: turn round beam body construction shape after changing 1.; Its two ends and trailing arm face of weld are curved surface; Said curved surface is formed by connecting 9 sections arc surface smooth transition, and this structural stress distributes rationally, and the maximum stress value at position, termination is reduced about 60%; 2. selecting high tensile steel plate for use is raw material, after operations such as shearing, cold-punching molding preparations, turns round the beam body because feed stock cost is low and processing technology is simple, institute so that after turn round the beam cost and reduce, and realized the product lightweight; 3. for turning round the strength at repeated alternation of beam after improving, increase the ball blast operation, carry out Shot Blasting to turning round the beam body after after punch forming and the shaping, improve superficial hardness, make to reach its fatigue life more than 800,000 times, said index is positioned at the higher level of like product.
Description of drawings
Fig. 1 is a scheme drawing of turning round girder construction behind the product car of the present invention;
Fig. 2 turns round the bar stock cutting by punching figure of beam body after being;
Fig. 3 turns round beam body construction scheme drawing after being;
Fig. 4, Fig. 5 are respectively the D-D cross section of Fig. 3, the cross sectional drawing in A-A cross section;
Fig. 6 turns round the scheme drawing that the beam body is suspended on the disc suspension bracket after being;
Fig. 7 is the birds-eye view of Fig. 6;
Fig. 8 is a shot-blasting machine station scheme drawing.
Each label implication is following in the accompanying drawing: turn round the beam body after 1.; 2. trailing arm; 3. liquid-leaking nozzle; 4. welding knock hole; 5. disc suspension bracket; 6. shot-blasting machine.
The specific embodiment
Referring to Fig. 1, after comprising, retrotorsion beam assembly turns round members such as beam body 1, trailing arm 2.Retrotorsion beam body is turned round key member in the beam assembly after being, its control index mainly contains four aspects: intensity, fatigue life, torsional stiffness, mode.Turn round the beam assembly after traditional; Because the design defect on the planform; Turn round the beam body after causing and position, trailing arm bonded assembly termination is the stress concentration position, through cae analysis, after turn round the stress that beam bears at the position, termination and be about 1000MPa; Therefore require material stress to need greater than 1000MPa, this has just caused the raising of material cost and the difficulty of the course of processing.The present invention's mentality of designing of breaking the normal procedure is turned round the beam body construction after improving, optimizing, and its stress is rationally distributed; Peak stress reduces greatly, again according to after turn round the strained condition reasonable material of beam and select processing technology, guaranteeing to satisfy under the prerequisite of each item control index; Effective cost-cutting; Simplified processing process, expendable weight is realized the product lightweight.
Referring to Fig. 1, Fig. 2, turn round beam body 1 after of the present invention and be the left-right symmetric structure, its two ends respectively with trailing arm 2 welding, trailing arm is a conventional structure, trailing arm with after turn round the beam weld cross-sectional plane for circular, radius is 28mm.Turning round the beam body after said is stamped to form by steel plate; The end profile of bar stock cutting by punching curve is formed by connecting 9 sections circular arc smooth transition; The line of centres of turning round beam body two ends liquid-leaking nozzle 3 later on is an abscissa, is ordinate with the symmetrical center line, and each section of left end circular arc of bar stock cutting by punching curve is confirmed (right-hand member profile and left end symmetry): R0=4.5 by following mode; Central coordinate of circle is-502,0; R1=44, central coordinate of circle are-546.1,4.1; R2=48.5, and central coordinate of circle is-480.1 ,-64.8; R3=123.5, and central coordinate of circle is-651.8 ,-54.8; R4=11, central coordinate of circle are-558.5 ,-138.5; R5=50, and central coordinate of circle is-551.-2.3; R6=50, and central coordinate of circle is-489.76,76.76; R7=221.5, and central coordinate of circle is-757.6,34.6, R8=7, and central coordinate of circle is-574.6,171.3; Between circular arc R 1 and R0, be provided with radius and be 3 circular arc chamfering, between circular arc R 5 and R0, be provided with radius and be 3 circular arc chamfering, the unit of above-mentioned numerical value is mm.R4, R8 turn round the arcing point B of beam body and trailing arm seam after being in above-mentioned each section circular arc, and R2, R6 turn round the receipts acnode A of beam body and trailing arm seam after being, B, A two places are the peak value positions that produce stress concentration.The present invention is based on long-term test, research, update, provide arcing point, receive the suitable arc radius of acnode and the smooth bonded assembly circular arc R of these two sections circular arcs 1, R3 and circular arc R 7, R5 in conjunction with cae analysis.Adopt this profilograph, turn round beam body and trailing arm even weld overlap joint after can guaranteeing, change distribution of stress, reduce stress concentration, cooperate arcing point, receive the welding of acnode cornerite, can obviously reduce the stress concentration peak value.Through cae analysis, turn round beam body 1 and trailing arm 2 seam behind the present invention after, its distribution of stress is tending towards evenly, peak stress drops to about 350-400MPa.The decline significantly of stress value, for after turn round the beam body selection with formulate processing technology and obtained bigger room for improvement.The central notch that R0 forms in Fig. 2 forms liquid-leaking nozzle 3 after the punching press, said hole is used for the leakage of electrophoresis liquid.
Referring to Fig. 3-5, turn round behind the present invention the beam body adopt thickness of slab be the cold forming process hot rolling vehicle structure steel plate of 6-8mm through cold stamping shaped, according to after turn round beam single-piece service condition and strained condition; After turn round the beam body and adopt bathtub construction; After turn round beam body both sides upper end and trailing arm weld the D-D cross-sectional plane be U-shaped, its crooked position arc radius Rd=39～41mm, opening size Ld is 66.3 mm; Antetheca height dimension Hd=88 mm, rear wall extends antetheca 12-13 mm; Visible by Fig. 4, said section slot bottom X-X face relatively is symmetrical (the X-X face is for turning round later the vertical guide of beam body two ends liquid-leaking nozzle).After turn round the approximate C shape of A-A cross-sectional plane of beam body middle, its crooked position is formed by connecting two arc surface smooth transition that radius is respectively Ra1, Ra2, wherein Ra1=66～68mm; Central angle is 55-57 °, and Ra2=10～11mm, central angle are 90-92 °; Antetheca height dimension Ha=41-43 mm, rear wall extends antetheca 17-18 mm, and opening size is La1+ La1=78mm; Wherein, by the size La2=37.3 mm of antetheca to X-X face; Size La1=40.7 mm by rear wall to X-X face; Visible by Fig. 5, the relative X-X face of said cross sectional shape is asymmetric.After turn round the beam body cross-sectional area by gradual change in the middle of two side direction, middle cross-sectional plane is less, the shape of cross section of turning round the beam body after stating is connect by gradual transition kiss in the middle of two side direction.
Referring to Fig. 1; Turning round beam body antetheca base after said is the arcwall face of radius R 9=2177-1780mm; Turning round beam body rear wall base after said is the arcwall face of radius R 10=2100-2220 mm, turns round the arc that R11=2020-2030mm is formed at beam body top after after the punch forming.
Referring to Fig. 2, Fig. 3, Fig. 6, Fig. 7, Fig. 8, after to turn round the course of processing of beam body following:
A. blanking: the employing model is that QStE420TM, thickness of slab are the cold forming process hot rolling vehicle structure steel plate of 6-8mm, according to after turn round the blanking of beam body expansion drawing, cut out, as shown in Figure 2;
B. punching press: with the steel plate of cutting out punch forming on punching machine;
C. punching: go out slotted hole 4 with turning round beam body product after stamping forming, as shown in Figure 3;
D. shaping: to after turn round beam body product and carry out shaping and handle;
E. ball blast: to after turn round beam body product and carry out Shot Blasting; Be suspended on the disc suspension bracket 5 through turning round beam body product after the shaping, insert and carry out ball blast in the shot-blasting machine 6, the ball blast process needs at three stations of shot-blasting machine internal conversion; Three stations linearly formula are arranged; Spacing is 200 millimeters, and each station is just changeing to throw to be made a call to 1.5 minutes, counter-rotating throwing and made a call to 1.5 minutes, makes the ball blast coverage rate reach 98%.After turn round beam shotblasting intensity and detect through intensity detector and be 0.3A-0.4A (A represents the A test piece, i.e. Almin test piece).Liquidate repoussage shape after turn round beam body product and carry out Shot Blasting, be the critical process of the inventive method, adopt cold forming process hot rolling vehicle structure steel plate cold stamping shaped after turn round indexs such as its intensity of beam body, torsional stiffness and all can reach related request; But fatigue life is on the low side, is about 400,000 times, through after the Shot Blasting; Turning round the beam body surface after making strengthens; Improve fatigue life greatly, can surpass 800,000 times through detecting fatigue life, and this index is positioned at the higher level of like product.
After turn round the beam body make finish after, trailing arm, coil spring support, the antivibration device support that itself and conventional approach are made, take turns product such as hub holder and weld, it is as shown in Figure 1 to turn round the beam assembly after processing.
Claims (5)
1. turn round girder construction behind a car, turn round beam body (1) and trailing arm (2) after it comprises, after to turn round the beam body be the left-right symmetric structure; Weld with trailing arm respectively at its two ends; It is characterized in that: turn round beam body (1) after said and be stamped to form by steel plate, the end profile of bar stock cutting by punching curve is formed by connecting 9 sections circular arc smooth transition, and the line of centres of turning round beam body two ends liquid-leaking nozzles (3) later on is an abscissa; With the symmetrical center line is ordinate; Each section of left end circular arc is confirmed by following mode: R0=4.5, central coordinate of circle are-502,0; R1=44, central coordinate of circle are-546.1,4.1; R2=48.5, and central coordinate of circle is-480.1 ,-64.8; R3=123.5, and central coordinate of circle is-651.8 ,-54.8; R4=11, central coordinate of circle are-558.5 ,-138.5; R5=50, and central coordinate of circle is-551.-2.3; R6=50, and central coordinate of circle is-489.76,76.76; R7=221.5, and central coordinate of circle is-757.6,34.6, R8=7, and central coordinate of circle is-574.6,171.3; Between circular arc R 1 and R0, be provided with radius and be 3 circular arc chamfering, between circular arc R 5 and R0, be provided with radius and be 3 circular arc chamfering, the unit of above-mentioned numerical value is mm.
2. turn round girder construction behind the car according to claim 1; It is characterized in that: turn round beam body (1) after said and be bathtub construction; The cross-sectional plane of its both sides upper end and trailing arm (2) weld is a U-shaped, and the bottom land crooked position arc radius Rd=39～41mm of said cross-sectional plane, opening size are that 66 mm, rear wall extend antetheca 12-13 mm; After turn round the approximate C shape of cross-sectional plane of beam body middle; The bottom land crooked position of said cross-sectional plane is formed by connecting two arc surface smooth transition that radius is respectively Ra1, Ra2; Ra1=66～68mm wherein, central angle is 55-57 °, Ra2=10～11mm; Central angle is 90-92 °, and opening size is that 78mm, rear wall extend antetheca 17-18mm; The cross-sectional area of turning round the beam body after said is by gradual change in the middle of two side direction, and middle cross-sectional plane is less, and the shape of cross section of turning round the beam body after said is connect by gradual transition kiss in the middle of two side direction.
3. turn round girder construction behind the car according to claim 2; It is characterized in that: turning round beam body (1) antetheca base after said is the arcwall face of radius R 9=1780-2177mm; Turning round beam body rear wall base after said is the arcwall face of radius R 10=2100-2220 mm, and turning round beam body top after said is the arcwall face of radius R 11=2020-2030mm.
4. turn round the method for beam behind manufacturing such as claim 1, the 2 or 3 said cars, it carries out as follows:
A. blanking: adopting thickness of slab is the cold forming process hot rolling vehicle structure steel plate of 6-8mm, according to after turn round the blanking of beam body expansion drawing, cut out;
B. punching press: with the steel plate of cutting out punch forming on punching machine;
C. punching: after stamping forming, turn round on the beam body product towards the welding knock hole;
D. shaping: to after turn round beam body product and carry out shaping and handle;
E. ball blast: to after turn round beam body product and carry out Shot Blasting, the ball blast coverage rate is 98%, turning round beam shotblasting intensity detection is 0.3A-0.4A.
5. turn round the beam manufacturing approach behind the car according to claim 4; In the said ball blast operation; With after turn round beam body product and be suspended on the disc suspension bracket; Insert and carry out ball blast in the shot-blasting machine, the ball blast process needs at three stations of shot-blasting machine internal conversion, and each station is just changeing to throw to be made a call to 1.5 minutes, counter-rotating throwing and made a call to 1.5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210221580.8A CN102717679B (en) | 2012-06-30 | 2012-06-30 | Rear torsion beam structure of car and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210221580.8A CN102717679B (en) | 2012-06-30 | 2012-06-30 | Rear torsion beam structure of car and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102717679A true CN102717679A (en) | 2012-10-10 |
| CN102717679B CN102717679B (en) | 2014-12-03 |
Family
ID=46943607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210221580.8A Active CN102717679B (en) | 2012-06-30 | 2012-06-30 | Rear torsion beam structure of car and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102717679B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103874348A (en) * | 2012-12-10 | 2014-06-18 | 群光电能科技股份有限公司 | Power supply device shell assembly manufacturing method and power supply device shell assembly structure |
| CN103894514A (en) * | 2014-03-27 | 2014-07-02 | 宝山钢铁股份有限公司 | Method for stamping and forming torsion beams of pipe fittings |
| CN103949563A (en) * | 2014-04-10 | 2014-07-30 | 重庆天人汽车车身制造有限公司 | Sedan tubular V-shaped torsion beam stamping process |
| CN104690159A (en) * | 2015-02-11 | 2015-06-10 | 柳州市金元机械制造有限公司 | Processing method for rear suspension assembly |
| CN104776134A (en) * | 2015-03-27 | 2015-07-15 | 江苏佰瑞克汽配有限公司 | Automobile disc brake bracket |
| CN105172514A (en) * | 2014-06-13 | 2015-12-23 | 福特全球技术公司 | Torsion profile for a twist beam axle and correspondingly equipped vehicle |
| CN105774462A (en) * | 2016-05-06 | 2016-07-20 | 奇瑞汽车股份有限公司 | Rear torsion beam structure of automobile |
| CN105903849A (en) * | 2016-04-19 | 2016-08-31 | 浦项奥斯特姆（苏州）汽车配件有限公司 | Vehicle one-piece toe link processing method |
| CN107176000A (en) * | 2017-06-22 | 2017-09-19 | 龙岩盛丰机械制造有限公司 | A kind of punching type limiting bracket and its production technology |
| CN107405975A (en) * | 2015-03-23 | 2017-11-28 | 日本发条株式会社 | Stabiliser bar and its manufacture method |
| CN109794729A (en) * | 2017-11-16 | 2019-05-24 | 上海汇众汽车制造有限公司 | The production method of 800MPa high intensity torsion beam crossbeam |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249246A (en) * | 1998-09-25 | 2000-04-05 | 丰田自动车株式会社 | Torsion beam suspension |
| CN102019827A (en) * | 2010-12-09 | 2011-04-20 | 金华福多纳机械有限公司 | Variable cross-section vehicle trailing arm member |
| KR20110043096A (en) * | 2009-10-21 | 2011-04-27 | 주식회사화신 | Method for calculation roll stiffness of tubular torsion beam in suspension system |
-
2012
- 2012-06-30 CN CN201210221580.8A patent/CN102717679B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249246A (en) * | 1998-09-25 | 2000-04-05 | 丰田自动车株式会社 | Torsion beam suspension |
| KR20110043096A (en) * | 2009-10-21 | 2011-04-27 | 주식회사화신 | Method for calculation roll stiffness of tubular torsion beam in suspension system |
| CN102019827A (en) * | 2010-12-09 | 2011-04-20 | 金华福多纳机械有限公司 | Variable cross-section vehicle trailing arm member |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103874348A (en) * | 2012-12-10 | 2014-06-18 | 群光电能科技股份有限公司 | Power supply device shell assembly manufacturing method and power supply device shell assembly structure |
| CN103894514A (en) * | 2014-03-27 | 2014-07-02 | 宝山钢铁股份有限公司 | Method for stamping and forming torsion beams of pipe fittings |
| CN103894514B (en) * | 2014-03-27 | 2016-01-20 | 宝山钢铁股份有限公司 | A kind of pipe fitting torsion beam press-processing method |
| CN103949563A (en) * | 2014-04-10 | 2014-07-30 | 重庆天人汽车车身制造有限公司 | Sedan tubular V-shaped torsion beam stamping process |
| CN105172514B (en) * | 2014-06-13 | 2019-06-14 | 福特全球技术公司 | The torsion profile elements and twist beam axle of twist beam axle and with the vehicle accordingly equipped |
| CN105172514A (en) * | 2014-06-13 | 2015-12-23 | 福特全球技术公司 | Torsion profile for a twist beam axle and correspondingly equipped vehicle |
| CN104690159A (en) * | 2015-02-11 | 2015-06-10 | 柳州市金元机械制造有限公司 | Processing method for rear suspension assembly |
| CN107405975B (en) * | 2015-03-23 | 2019-12-20 | 日本发条株式会社 | Stabilizer bar and method for manufacturing same |
| US10358012B2 (en) | 2015-03-23 | 2019-07-23 | Nhk Spring Co., Ltd. | Stabilizer and method for manufacturing same |
| CN107405975A (en) * | 2015-03-23 | 2017-11-28 | 日本发条株式会社 | Stabiliser bar and its manufacture method |
| CN104776134A (en) * | 2015-03-27 | 2015-07-15 | 江苏佰瑞克汽配有限公司 | Automobile disc brake bracket |
| CN105903849A (en) * | 2016-04-19 | 2016-08-31 | 浦项奥斯特姆（苏州）汽车配件有限公司 | Vehicle one-piece toe link processing method |
| CN105903849B (en) * | 2016-04-19 | 2018-03-09 | 浦项奥斯特姆（苏州）汽车配件有限公司 | A kind of processing method of automobile integral type regulation connecting rod |
| CN105774462A (en) * | 2016-05-06 | 2016-07-20 | 奇瑞汽车股份有限公司 | Rear torsion beam structure of automobile |
| CN107176000A (en) * | 2017-06-22 | 2017-09-19 | 龙岩盛丰机械制造有限公司 | A kind of punching type limiting bracket and its production technology |
| CN109794729A (en) * | 2017-11-16 | 2019-05-24 | 上海汇众汽车制造有限公司 | The production method of 800MPa high intensity torsion beam crossbeam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102717679B (en) | 2014-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102717679B (en) | Rear torsion beam structure of car and manufacturing method thereof | |
| RU2735604C1 (en) | Methods for making a rim of a wheel, a disc and a steel wheel and a steel wheel which is made using these methods | |
| CN101619762B (en) | Cold spinning belt pulley and fabricating method and fabricating equipment thereof | |
| CN102554048A (en) | Method for forming variable-strength hot stamping parts by ultrahigh-strength steel | |
| CN106457478B (en) | The joint construction of component in body of a motor car | |
| CN102019827B (en) | Variable cross-section vehicle trailing arm member | |
| CN108790655B (en) | Torsion beam assembly of automobile rear suspension | |
| CN203842967U (en) | Machining tool for automobile fuel tank bracket | |
| CN102409581B (en) | Alloy steel assembly of frog, point rail and wing rails | |
| KR100650368B1 (en) | Wheel for vehicle tire | |
| CN202427829U (en) | Wheel rim spinning mould for manufacturing light-weight wheel rim | |
| CN202115303U (en) | Variable-section trailing arm component of vehicle | |
| CN210818045U (en) | Welding beam | |
| CN110524131B (en) | Welding beam assembly process | |
| CN113714743B (en) | Automobile front axle and manufacturing method thereof | |
| CN107031279A (en) | Straddle-type monorail train wheel wheel rim out of shape and preparation method thereof | |
| CN102092236B (en) | Integral front-axle structure | |
| CN210793327U (en) | High-strength automobile steering yoke | |
| CN202389235U (en) | Seat adjustment force transfer rod for automobile | |
| CN112659806A (en) | Tubeless spinning weldless integral wheel | |
| CN109420708B (en) | Novel high strength steel plate mould structure | |
| CN2860896Y (en) | 15 DC tubeless wheel rim | |
| CN201604474U (en) | Movable bead seat S-shaped steel for wheels of wheel type tubeless construction machinery | |
| CN106275118A (en) | Vehicle track guide wheel | |
| CN215745626U (en) | Prevent roller type stabilizer bar cold school mould of indentation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190201 Address after: No. 2266 Chaoyang South Street, Lianchi District, Baoding City, Hebei Province Patentee after: Jingcheng Engineering Automobile System Co., Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Patentee before: Changcheng Automobile Co., Ltd. |
|
| TR01 | Transfer of patent right |