CN105478621A - Stamping method for automobile covering part - Google Patents
Stamping method for automobile covering part Download PDFInfo
- Publication number
- CN105478621A CN105478621A CN201510952361.0A CN201510952361A CN105478621A CN 105478621 A CN105478621 A CN 105478621A CN 201510952361 A CN201510952361 A CN 201510952361A CN 105478621 A CN105478621 A CN 105478621A
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- China
- Prior art keywords
- depression
- tiltedly
- concave units
- horizontal
- stamping
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
Abstract
The invention discloses a stamping method for an automobile covering part. The stamping method comprises the following steps: drawing: drawing a plate into the shape of the automobile covering part; trimming: cutting off the residual part of the side edge of the automobile covering part; stamping: stamping out a window-shaped hole in the surface of the automobile covering part; prefabricating: prefabricating a sunken structure between a trimming line and a flanging line of the window-shaped hole; and flanging: flanging the window-shaped hole to turn over the sunken structure. The stamping method not only can eliminate stress concentration generated by flanging, but also can avoid occurrence of folding.
Description
Technical field
The present invention relates to automobile manufacturing field, particularly a kind of process for stamping of automobile panel.
Background technology
The obform body surface that automobile panel refers to composed of car carriage or driver's cabin, the metal sheet material on covering engine and chassis is made and inner body.The vehicle body of car, the driver's cabin of bogie etc. are all made up of covering and general stamping parts, and constitute whole outside and the interior shape of vehicle body or driver's cabin after covering assembling, it is decorative appearance part, is again the stressed part of closed shell shape.By function and position classification, covering can be divided into external covering part, inner cover and skeleton class covering three class.The presentation quality of external covering part and skeleton class covering has particular/special requirement, and the shape of inner cover is often more complicated.Compare with general stamping parts, covering is generally stamped to form by the cold-reduced sheet of 0.8mm ~ 2.0mm, have that material is thin, complex-shaped, the large and surface quality requirements high of physical dimension, the design of its design and manufacture technology, punch die structure and punch die fabrication processes etc. all have particularity.Therefore, the manufacture of covering is the key link that body of a motor car manufactures.
The Sheet Metal Forming Technology of automobile panel generally includes the steps such as drawing (also claiming drawing), deburring, punching, flange.Wherein in turn-up process, if the stress in flange face can not get release, stress locally can be produced at covering material surface and concentrate, produce distortion.A kind of mode solved the problems of the technologies described above is prefabricated with depressed part on flange face, and these depressed parts can dispersive stress to a certain extent, avoids the generation that stress is concentrated.Such as the skylight structure of automobile top-cap part, on the flange face of skylight structure, prefabricated strip and/or leg-of-mutton depression, carry out down tilt in turn-up process, can play the effect of certain dispersive stress.But applicant finds through engineering test, although can dispersive stress in turn-up process, but flange face still tiny fold can occur, these folds are easily ignored by staff, produce this fold reason this unreasonablely may to cause due to sunk structure design.In order to overcome this technological deficiency, inventor obtains a kind of sunk structure by a large amount of engineering test, has been applied in the flange Sheet Metal Forming Technology of vehicle dormer window part, thus has obtained the present invention.
Summary of the invention
The object of this invention is to provide a kind of process for stamping of automobile panel, the stress can either eliminating flange generation is concentrated, and fold can be avoided again to occur.
To achieve these goals, the process for stamping of a kind of automobile panel provided by the invention, comprises the steps:
Drawing: shape deep drawing of sheet being become automobile panel;
Deburring: the part that excision automobile panel edge is unnecessary;
Punching: go out window nibs on automobile panel surface;
Prefabricated: prefabricated sunk structure between the trimming line and flange line of window nibs;
Flange: carry out flange process to window nibs, by sunk structure down tilt;
Described sunk structure comprises:
From first row array of depressions, second row array of depressions and the 3rd row's array of depressions that flange line to trimming line is arranged in order;
First row array of depressions comprises multiple first concave units arranged at equal intervals successively from left to right, first concave units is made up of the first left tiltedly depression, the first horizontal depression and the first right tiltedly depression, and the first left tiltedly depression, the first horizontal depression and the first right tiltedly depression formation one do not have the isosceles trapezoid on base; The first adjacent concave units connects depression by the first strip and connects, and tiltedly caves in bottom in first right side that one end that the first strip connects depression is connected to first concave units, tiltedly caves in bottom in first left side that the other end is connected to next first concave units;
Second row array of depressions comprises multiple second concave units arranged at equal intervals successively from left to right, second concave units is made up of the second left tiltedly depression, the second horizontal depression and the second right tiltedly depression, and the second left tiltedly depression, the second horizontal depression and the second right tiltedly depression formation one do not have the isosceles trapezoid on base; Second concave units is positioned at the below of the first concave units accordingly; The second adjacent concave units connects depression by the second strip and connects, and tiltedly caves in bottom in second right side that one end that the second strip connects depression is connected to second concave units, tiltedly caves in bottom in second left side that the other end is connected to next second concave units;
3rd row's array of depressions comprises multiple the 3rd concave units arrayed from left to right, 3rd concave units is made up of the 3rd left tiltedly depression, the 3rd horizontal depression and the 3rd right tiltedly depression, and the 3rd left tiltedly depression, the 3rd horizontal depression and the 3rd right tiltedly depression formation one do not have the isosceles trapezoid of top margin; 3rd right tiltedly depression of each 3rd concave units tiltedly caves in the 3rd left side of the 3rd concave units nearest on the right side of it and is connected; Upper end and the 3rd right upper end of tiltedly caving in of each 3rd left tiltedly depression are all positioned at immediately below the second concave units.
Preferably, described punching and prefabricatedly simultaneously to carry out.
Preferably, the degree of depth of described first concave units, the second concave units and the 3rd concave units is 4mm.
Preferably, the width of described first concave units, the second concave units is 6mm, and the width of the 3rd concave units is 3mm.
Preferably, the arrangement pitch of the first concave units is 1.6cm, and the arrangement pitch of the second concave units is 2.9cm.
Preferably, the length of the first left tiltedly depression, the first horizontal depression and the first right tiltedly depression is followed successively by 1.2cm, 2.9cm and 1.2cm; The length of the second left tiltedly depression, the second horizontal depression and the second right tiltedly depression is followed successively by 1.2cm, 1.6cm and 1.2cm; , the length of the 3rd left tiltedly depression, the 3rd horizontal depression and the 3rd right tiltedly depression is followed successively by 1.7cm, 3.9cm and 1.7cm.
Preferably, the first horizontal distance being recessed into the second horizontal depression below it is 1.1cm, and the second horizontal distance being recessed into the left tiltedly depression of the 3rd below it and/or the 3rd right tiltedly depression upper end is 1.1cm.
Inventor finds, under the restriction of above-mentioned depression size, the anti-fold effect of automobile panel is best.
The process for stamping of a kind of automobile panel provided by the invention, before flange, on flange face, first precast first row array of depressions, second row array of depressions and the 3rd row's array of depressions, concave units in three row's array of depressions all become the trapezoidal of a scarce top margin or base, form multistage, staggered sunk structure, take full advantage of the area in flange face.Like this, in flange die pressing process, stress is Multistage dispersion, and in the dispersion of each level, again can along hypotenuse gradually to both sides dispersion, dispersion process is more level and smooth.In this external dispersion process, the interlaced dispersion of stress, stream material evenly.As can be seen here, adopt said structure on the one hand can make stress dispersion evenly, prevent stress from concentrating better, on the other hand, stream material can be made even, prevent partial drape.3rd, flange face area can also be made full use of.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of vehicle cladding element punching method provided by the present invention;
Fig. 2 is the top view of the covering used in a kind of vehicle cladding element punching method provided by the present invention;
Fig. 3 is the partial enlargement structural representation in flange face in Fig. 2;
In figure:
The horizontal depression 13. first of 11. first left tiltedly depression 12. first right tiltedly depression 14. first strip connects the horizontal depression 23. second of the left tiltedly depression 22. second of depression 21. second right tiltedly depression 24. second strip and connects the right tiltedly depression of the left tiltedly depression 32. the 3rd of depression 31. the 3rd 33. the 3rd horizontal depression 101. flange face 102. flange line 103. trimming lines
Detailed description of the invention
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, a kind of process for stamping of automobile panel, comprises the steps:
Step one: drawing: the shape becoming automobile panel by deep drawing of sheet, the automobile panel in the present embodiment is automobile top-cap.The material requirements of top cover has good plastic deformation performance, mostly is the steel plates such as 08 or 09A1.Make the initial contact location of punch and plate as far as possible near the central part of plate, make it evenly draw in die, effectively can prevent breaking of sheet material in drawing.Pressing direction must ensure that punch can enter die, and binder surface is plane as far as possible, is convenient to blank location and Mould Machining.Show.In order to create good drawing and forming condition to covering, can also to increase beyond covering and the part of excising in subsequent handling is called addendum.
Step 2: deburring: namely after drawing completes, the part that excision automobile panel edge is unnecessary;
Step 3: punching and prefabricated: go out window nibs on automobile panel surface; Prefabricated sunk structure between the trimming line and flange line of window nibs simultaneously;
Step 4: flange: carry out flange process to window nibs, by sunk structure down tilt;
As shown in Figure 2,3, for automobile top-cap, its window nibs is the skylight on automobile top-cap, and the inner side in skylight is provided with 4 flange faces 101, then is example with the flange face of long limit, skylight (long 28cm, wide 5cm), and sunk structure comprises:
From first row array of depressions, second row array of depressions and the 3rd row's array of depressions that flange line 102 to trimming line 103 is arranged in order; For convenience of description, the position relationship of upper and lower, left and right is defined with the top view direction shown in Fig. 2.
First row array of depressions comprises 5 the first concave units arranged at equal intervals successively from left to right, first concave units is made up of the first horizontal depression 12 of left tiltedly depression 11, first and the first right tiltedly depression 13, and the first horizontal depression 12 of left tiltedly depression 11, first and the first right tiltedly depression 13 form the isosceles trapezoid that does not have base; The first adjacent concave units connects depression 14 by the first strip and connects, one end of first strip connection depression 14 is connected to the first right tiltedly depression 13 bottoms of first concave units, and the other end is connected to the first left oblique depression 11 bottoms of next first concave units; In first concave units, the degree of depth of each depression is 4mm, and width is 6mm.The arrangement pitch of the first concave units is 1.6cm (to calculate bottom one first left tiltedly depression 11 adjacent thereto bottom one first right tiltedly depression 13).The length of the first horizontal depression 12 of left tiltedly depression 11, first and the first right tiltedly depression 13 is followed successively by 1.2cm, 2.9cm and 1.2cm.The drift angle of the scarce base isosceles trapezoid that the first concave units is formed is 115 °.
Second row array of depressions comprises 5 the second concave units arranged at equal intervals successively from left to right, second concave units is made up of the second horizontal depression 22 of left tiltedly depression 21, second and the second right tiltedly depression 23, and the second horizontal depression 22 of left tiltedly depression 21, second and the second right tiltedly depression 23 form the isosceles trapezoid that does not have base; Each second concave units is positioned at the below of the first concave units accordingly; As the below that first the second concave units is positioned at the below of first the first concave units, second the second concave units is positioned at second the first concave units, by that analogy.The second adjacent concave units connects depression 24 by the second strip and connects, one end of second strip connection depression 24 is connected to the second right tiltedly depression 23 bottoms of second concave units, and the other end is connected to the second left oblique depression 21 bottoms of next second concave units; In second concave units, the degree of depth of each depression is 4mm, and width is 6mm.The arrangement pitch of the second concave units is 2.9cm (to calculate bottom one second left tiltedly depression 21 adjacent thereto bottom one second right tiltedly depression 23).The length of the second horizontal depression 22 of left tiltedly depression 21, second and the second right tiltedly depression 23 is followed successively by 1.2cm, 1.6cm and 1.2cm; The drift angle of the scarce base isosceles trapezoid that the second concave units is formed is 115 °, such size is adopted to make second row array of depressions become the mirror-image structure of first row array of depressions, and shift to install below first row array of depressions, define interlaced structure.
3rd row's array of depressions comprises 4 the 3rd concave units arrayed from left to right, 3rd concave units is made up of the 3rd left tiltedly depression the 31, the 3rd horizontal depression 32 and the 3rd right tiltedly depression 33, and the 3rd left tiltedly depression the 31, the 3rd horizontal depression 32 and the 3rd right tiltedly depression 33 form the isosceles trapezoid that does not have top margin; 3rd right tiltedly depression 33 of each 3rd concave units 31 to be connected with the 3rd of the 3rd concave units nearest on the right side of it the left oblique depression; The upper end of each 3rd left tiltedly depression 31 with the 3rd right oblique cave in 33 upper end be all positioned at immediately below the second concave units.Such as, 3rd left tiltedly depression upper end of first the 3rd concave units is positioned at immediately below first the second concave units, 3rd right tiltedly depression of first the 3rd concave units is communicated with at a place with the 3rd left top of tiltedly caving in of second the 3rd concave units, and be positioned at immediately below second the second concave units, by that analogy, until: the upper end of the 3rd right tiltedly depression of the 4th concave units is positioned at immediately below the 5th the second concave units.In 3rd row's array of depressions the degree of depth of each depressed part be 4mm, width is 3mm.The length of the 3rd left tiltedly depression the 31, the 3rd horizontal depression 32 and the 3rd right tiltedly depression 33 is followed successively by 1.7cm, 3.9cm and 1.7cm.
Wherein, the first horizontal depression 12 to its below the distance of the second horizontal depression 22 be 1.1cm, the second horizontal depression 22 to its below the 3rd left tiltedly depression 31 and/or the distance of the 3rd right tiltedly depression 33 upper ends be 1.1cm.
Concave units in three row's array of depressions all become the trapezoidal of a scarce top margin or base, form multistage, staggered sunk structure, take full advantage of the area in flange face.Like this, in flange die pressing process, stress is Multistage dispersion, and in the dispersion of each level, again can along hypotenuse gradually to both sides dispersion, dispersion process is more level and smooth.In this external dispersion process, the interlaced dispersion of stress, stream material evenly.As can be seen here, adopt said structure on the one hand can make stress dispersion evenly, prevent stress from concentrating better, on the other hand, stream material can be made even, prevent partial drape.3rd, flange face area can also be made full use of.
Above the process for stamping of a kind of automobile panel provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands core concept of the present invention for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (7)
1. a process for stamping for automobile panel, is characterized in that, comprises the steps:
Drawing: shape deep drawing of sheet being become automobile panel;
Deburring: the part that excision automobile panel edge is unnecessary;
Punching: go out window nibs on automobile panel surface;
Prefabricated: prefabricated sunk structure between the trimming line and flange line of window nibs;
Flange: carry out flange process to window nibs, by sunk structure down tilt;
Described sunk structure comprises:
From first row array of depressions, second row array of depressions and the 3rd row's array of depressions that flange line to trimming line is arranged in order.
First row array of depressions comprises multiple first concave units arranged at equal intervals successively from left to right, first concave units is made up of the first left tiltedly depression, the first horizontal depression and the first right tiltedly depression, and the first left tiltedly depression, the first horizontal depression and the first right tiltedly depression formation one do not have the isosceles trapezoid on base; The first adjacent concave units connects depression by the first strip and connects, and tiltedly caves in bottom in first right side that one end that the first strip connects depression is connected to first concave units, tiltedly caves in bottom in first left side that the other end is connected to next first concave units.
Second row array of depressions comprises multiple second concave units arranged at equal intervals successively from left to right, second concave units is made up of the second left tiltedly depression, the second horizontal depression and the second right tiltedly depression, and the second left tiltedly depression, the second horizontal depression and the second right tiltedly depression formation one do not have the isosceles trapezoid on base; Second concave units is positioned at the below of the first concave units accordingly; The second adjacent concave units connects depression by the second strip and connects, and tiltedly caves in bottom in second right side that one end that the second strip connects depression is connected to second concave units, tiltedly caves in bottom in second left side that the other end is connected to next second concave units.
3rd row's array of depressions comprises multiple the 3rd concave units arrayed from left to right, 3rd concave units is made up of the 3rd left tiltedly depression, the 3rd horizontal depression and the 3rd right tiltedly depression, and the 3rd left tiltedly depression, the 3rd horizontal depression and the 3rd right tiltedly depression formation one do not have the isosceles trapezoid of top margin; 3rd right tiltedly depression of each 3rd concave units tiltedly caves in the 3rd left side of the 3rd concave units nearest on the right side of it and is connected; Upper end and the 3rd right upper end of tiltedly caving in of each 3rd left tiltedly depression are all positioned at immediately below the second concave units.
2. the process for stamping of automobile panel according to claim 2, is characterized in that, described punching and prefabricatedly simultaneously to carry out.
3. the process for stamping of automobile panel according to claim 1, is characterized in that, the degree of depth of described first concave units, the second concave units and the 3rd concave units is 4mm.
4. the process for stamping of automobile panel according to claim 3, is characterized in that, the width of described first concave units, the second concave units is 6mm, and the width of the 3rd concave units is 3mm.
5. the process for stamping of automobile panel according to claim 4, is characterized in that, the arrangement pitch of the first concave units is 1.6cm, and the arrangement pitch of the second concave units is 2.9cm.
6. the process for stamping of automobile panel according to claim 5, is characterized in that, the length of the first left tiltedly depression, the first horizontal depression and the first right tiltedly depression is followed successively by 1.2cm, 2.9cm and 1.2cm; The length of the second left tiltedly depression, the second horizontal depression and the second right tiltedly depression is followed successively by 1.2cm, 1.6cm and 1.2cm; , the length of the 3rd left tiltedly depression, the 3rd horizontal depression and the 3rd right tiltedly depression is followed successively by 1.7cm, 3.9cm and 1.7cm.
7. the process for stamping of automobile panel according to claim 6, it is characterized in that, the first horizontal distance being recessed into the second horizontal depression below it is 1.1cm, and the second horizontal distance being recessed into the left tiltedly depression of the 3rd below it and/or the 3rd right tiltedly depression upper end is 1.1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952361.0A CN105478621B (en) | 2015-12-17 | 2015-12-17 | A kind of process for stamping of automobile panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952361.0A CN105478621B (en) | 2015-12-17 | 2015-12-17 | A kind of process for stamping of automobile panel |
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| CN105478621A true CN105478621A (en) | 2016-04-13 |
| CN105478621B CN105478621B (en) | 2017-06-27 |
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| CN201510952361.0A Expired - Fee Related CN105478621B (en) | 2015-12-17 | 2015-12-17 | A kind of process for stamping of automobile panel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530535A (en) * | 2018-12-28 | 2019-03-29 | 东莞市豪斯特热冲压技术有限公司 | A kind of mold and method for hot-formed product pre-punched hole |
| CN110434226A (en) * | 2019-08-13 | 2019-11-12 | 武汉市尚佳盛汽车配件有限公司 | A kind of processing method and processing mold of tail light support |
| CN110576103A (en) * | 2018-06-08 | 2019-12-17 | 标致雪铁龙汽车股份有限公司 | Forming method of vehicle body side wall structure, vehicle body side wall structure and vehicle |
| CN110976691A (en) * | 2019-12-24 | 2020-04-10 | 东风汽车集团有限公司 | Nesting drawing forming method and die for automobile top cover and top cover rear cross beam |
| WO2021174872A1 (en) * | 2020-05-26 | 2021-09-10 | 东风柳州汽车有限公司 | Pre-flanging method to increase amount of over-drawing |
| CN117161222A (en) * | 2023-11-02 | 2023-12-05 | 常州达亚汽车零部件有限公司 | Stamping process and stamping equipment for automobile panel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195510A (en) * | 1978-06-26 | 1980-04-01 | Juergens William A | Draw bead having alternating pressure surfaces and grooves |
| JPH07112219A (en) * | 1993-10-15 | 1995-05-02 | Toyota Motor Corp | Object to be worked, having flange with curvature, and its forming die |
| CN101549380A (en) * | 2008-04-03 | 2009-10-07 | 上海大众汽车有限公司 | Resilience control method for moulding top surface of car roof |
| CN101972823A (en) * | 2010-06-07 | 2011-02-16 | 浙江吉利汽车有限公司 | Technological process for improving rigidity of skylight part on car roof |
| CN103212625A (en) * | 2013-05-10 | 2013-07-24 | 奇瑞汽车股份有限公司 | Stamping technology treatment method of skylight on automobile top cover |
| CN103769457A (en) * | 2014-02-26 | 2014-05-07 | 安徽江淮汽车股份有限公司 | Process for stamping automobile covering part |
-
2015
- 2015-12-17 CN CN201510952361.0A patent/CN105478621B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195510A (en) * | 1978-06-26 | 1980-04-01 | Juergens William A | Draw bead having alternating pressure surfaces and grooves |
| JPH07112219A (en) * | 1993-10-15 | 1995-05-02 | Toyota Motor Corp | Object to be worked, having flange with curvature, and its forming die |
| CN101549380A (en) * | 2008-04-03 | 2009-10-07 | 上海大众汽车有限公司 | Resilience control method for moulding top surface of car roof |
| CN101972823A (en) * | 2010-06-07 | 2011-02-16 | 浙江吉利汽车有限公司 | Technological process for improving rigidity of skylight part on car roof |
| CN103212625A (en) * | 2013-05-10 | 2013-07-24 | 奇瑞汽车股份有限公司 | Stamping technology treatment method of skylight on automobile top cover |
| CN103769457A (en) * | 2014-02-26 | 2014-05-07 | 安徽江淮汽车股份有限公司 | Process for stamping automobile covering part |
Non-Patent Citations (1)
| Title |
|---|
| 田植诚等: "基于"水滴"造型积料补偿机制的天窗翻边工艺再设计", 《塑性工程学报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576103A (en) * | 2018-06-08 | 2019-12-17 | 标致雪铁龙汽车股份有限公司 | Forming method of vehicle body side wall structure, vehicle body side wall structure and vehicle |
| CN109530535A (en) * | 2018-12-28 | 2019-03-29 | 东莞市豪斯特热冲压技术有限公司 | A kind of mold and method for hot-formed product pre-punched hole |
| CN110434226A (en) * | 2019-08-13 | 2019-11-12 | 武汉市尚佳盛汽车配件有限公司 | A kind of processing method and processing mold of tail light support |
| CN110976691A (en) * | 2019-12-24 | 2020-04-10 | 东风汽车集团有限公司 | Nesting drawing forming method and die for automobile top cover and top cover rear cross beam |
| CN110976691B (en) * | 2019-12-24 | 2021-04-27 | 东风汽车集团有限公司 | Nesting drawing forming method for automobile top cover and top cover rear cross beam |
| WO2021174872A1 (en) * | 2020-05-26 | 2021-09-10 | 东风柳州汽车有限公司 | Pre-flanging method to increase amount of over-drawing |
| CN117161222A (en) * | 2023-11-02 | 2023-12-05 | 常州达亚汽车零部件有限公司 | Stamping process and stamping equipment for automobile panel |
| CN117161222B (en) * | 2023-11-02 | 2024-01-23 | 常州达亚汽车零部件有限公司 | Stamping process and stamping equipment for automobile panel |
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|---|---|
| CN105478621B (en) | 2017-06-27 |
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