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Stamping and drawing forming process of fender

A molding process and fender technology, applied in transportation and packaging, vehicle parts, etc., can solve the problems of increased manufacturing cost, low material utilization rate, deep molding depth, etc., to reduce waste, reduce the risk of strain, and improve material quality. The effect of utilization

Active Publication Date: 2017-11-07
CHONGQING CHANGAN AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Using this stamping and drawing forming process, the forming depth is deep, which is easy to cause strain; after the forming depth is deepened, the process is supplemented more, and the material utilization rate is low, resulting in an increase in manufacturing costs

Method used

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  • Stamping and drawing forming process of fender
  • Stamping and drawing forming process of fender
  • Stamping and drawing forming process of fender

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] see figure 1 The finished fender includes the outer surface 1 displayed on the surface of the car body, the connecting surface 2 that is turned over the edge of the outer surface 1 and connected with the adjacent car body parts, and the joint connecting surface that extends from the connecting surface 2 and the car body Component mounting bracket 3.

[0019] see figure 2 , the material utilization rate of the fender part is mainly determined by the extension length of the mounting bracket. The extension length of the outer surface 1, the connecting surface 2, and the traditional mounting bracket 03 out of the plane is far greater than that of other areas of the drawn profile. After the process, the process supplementary surface outside the outer surface 1, the connecting surface 2 and the traditional mounting bracket 03 area (outside the trimming line 5) will become waste, so how to reduce the drawing depth of the outer surface, connecting surface and mounting bracket...

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PUM

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Abstract

The invention discloses a fender stamping and drawing forming process. In the fender stamping and drawing process, the outer surface and the connecting surface are stamped and drawn on one drawing surface, and the mounting bracket is stamped and drawn on one process supplement. On the surface, the drawing surface and the process supplementary surface form an angled edge, and the drawing depth of the entire fender is lower than that of the previous outer surface, connecting surface and mounting bracket, which are stamped and drawn on the same basically flat drawing surface. The mode is reduced, which reduces the risk of parts straining and improves the utilization rate of materials.

Description

technical field [0001] The invention relates to the technical field of automobile body punching technology, in particular to a fender punching and drawing technology. Background technique [0002] Fenders are exterior body panel trims that cover the wheels and are mounted over the front wheels. The prior art automobile fender includes an outer surface displayed on the surface of the car body, a connecting surface that is folded toward the car body at the edge of the outer surface and connected with an adjacent car body component, a connecting connecting surface extending from the connecting surface, and a mounting bracket for the vehicle body component; Due to the installation conditions of the front fender on the body, the part is designed with mounting brackets in three directions. The existing stamping and drawing forming process of the automobile fender is to press and draw the outer surface of the fender, the connecting surface, and the mounting bracket together on a b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D22/20B21D53/88
Inventor 曹丹何涛张鹏
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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