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Manufacture process of passenger car bumper

A production process and bumper technology, applied in the direction of bumpers, etc., can solve problems such as inability to meet, and achieve the effects of good market price, high technical content and light weight

Inactive Publication Date: 2013-12-11
马严俊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The tensile strength of reinforced high-strength passenger car bumpers is 35-45 kgf / mm 2 Grade, mainly used for body outer panels, but it can no longer meet the requirements of higher strength parts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0019] A manufacturing process for a bumper of a passenger car, comprising the following steps:

[0020] A. Feeding (uncoiler). Inner diameter of coil material: ф508mm, expansion and contraction range of uncoiler ф465-550mm;

[0021] B. Cut the head. The cut needs to be perpendicular to the blank centerline. Shearing thickness: 1-2mm; blank width: 500mm; with pressing device and independent operation table;

[0022] C. Material storage (design the storage tank according to the width of the billet);

[0023] D, punching (punching machine). The equipment manufacturer can design and manufacture according to the process requirements, but it is necessary to ensure the continuous operation of the production line and the accurate punching position;

[0024] E. Transition bridge equipment manufacturers can design and manufacture according to the process requirements, but it is necessary to ensure continuous operation of the production line, and stop when changing rolls and cuttin...

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Abstract

The invention discloses a manufacture process of a passenger car bumper. The manufacture process is characterized by comprising the following steps: A. material feeding; B. cropping; C. material storing; D. punching; E. transition swing bridge; F. guiding; G. rolling / roll bending formation; H. implementation of cutting off; I, joint welding; J. crator clearing; K. electrophoresis; and L. package. Passenger car bumper has high product technological content, is good in market price, light in weight, and suitable for the light weight development of the automobile industry and meanwhile coincides with the development concepts of safety, environmental protection and energy conservation in the automobile industry.

Description

technical field [0001] The invention relates to a manufacturing process of a passenger car bumper. Background technique [0002] Passenger car bumpers have good energy absorption and cushioning effects, but they can be divided into two types: aluminum-magnesium alloy and high-strength alloy plate in terms of material classification. Due to the high cost of aluminum-magnesium alloys, the cross-sectional area and shape are relatively simple, resulting in poor energy absorption effect. It cannot be fully utilized, and its sales price is generally 30-40% more expensive than high-strength alloy plates. The high-strength alloy plate can obtain a relatively complex cross-sectional area shape through calculation and design, and because the wall thickness of the high-strength alloy plate is only 1mm, it can also achieve the purpose of light weight. The processing method of the alloy plate is mainly through roll forming. Although the one-time investment is large, the efficiency is ve...

Claims

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Application Information

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IPC IPC(8): B60R19/02
Inventor 马严俊
Owner 马严俊
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