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Automobile skylight reinforcer cold stamping technology

An automobile sunroof and reinforcement technology, which is applied in the field of auto parts processing, can solve the problems of high manufacturing cost, low comprehensive mechanical properties and low precision of the reinforcement, and achieves improved service life, improved internal organization uniformity, and improved work efficiency. Effect

Inactive Publication Date: 2020-08-14
泰州市双宇汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a cold stamping process for automotive sunroof reinforcements to solve the problems of low stamping forming precision, high manufacturing cost and low comprehensive mechanical properties of formed reinforcements in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1, a cold stamping process for automotive sunroof reinforcements, comprising the following steps;

[0029] Step 1. Remove the oil, rust and other impurities on the workpiece, and according to the size of the defect of the reinforcement, use mechanical processing, carbon arc gouging and other methods to completely remove the defect;

[0030] The method of defect removal is polishing: S1, preparation of polishing solution: including the following raw materials in parts by weight, 65 parts of phosphoric acid, 15 parts of sulfuric acid, 11 parts of bromobenzene, 9 parts of octoxynol, 7 parts of nitric acid in water, 4 parts of boric acid and water 105 parts; S2, put the reinforcement into the polishing solution, and perform polishing until the surface is smooth and burr-free;

[0031] Step 2. Place the workpiece in the initial vacuum atmosphere furnace at 20 degrees, and raise the temperature to 150 degrees at a rate of 10 degrees per minute and keep it warm for ...

Embodiment 2

[0037] Embodiment 2, a cold stamping process for automotive sunroof reinforcements, comprising the following steps;

[0038] Step 1. Remove the oil, rust and other impurities on the workpiece, and according to the size of the defect of the reinforcement, use mechanical processing, carbon arc gouging and other methods to completely remove the defect;

[0039] The method of defect removal is polishing: S1, preparation of polishing liquid: including the following raw materials in parts by weight, 68 parts of phosphoric acid, 13 parts of sulfuric acid, 12 parts of bromobenzene, 10 parts of octoxynol, 6 parts of water nitric acid, 3 parts of boric acid and water 112 parts; S2, put the reinforcement into the polishing solution, and perform polishing until the surface is smooth and burr-free;

[0040] Step 2. Place the workpiece in the initial 20-degree vacuum atmosphere furnace, and raise the temperature by 10 degrees per minute to 140 degrees for 1.3 hours;

[0041] Step 3, two-st...

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Abstract

The invention relates to the technical field of automobile part processing, in particular to an automobile skylight reinforcer cold stamping technology. The automobile skylight reinforcer cold stamping technology comprises the following steps that step one, impurities such as oil contamination and iron rust on a workpiece are cleaned up; step two, the workpiece is placed in a vacuum atmosphere furnace with the initial temperature of 20 DEG C; step three, two-stage low-temperature tempering is carried out; step four, the vacuum atmosphere furnace is vacuumized to 0.1-0.2 MPa after a layer of high-temperature resistant and oxidation resistant coatings are coated on the surface of the workpiece; step five, the workpiece is taken out from the vacuum atmosphere furnace; step six, the workpieceis placed between an upper die and a lower die, and the pressure center of the die is adjusted; and step seven, the work power of a hydraulic machine is improved by 30-35%, and a press is molded at atime under one stroke. According to the automobile skylight reinforcer cold stamping technology, the stress of the workpiece can be reduced, the comprehensive mechanical properties are high, stampingis molded at a time, the working efficiency of stamping is improved, so that an obtained reinforcer is accurate and uniform in thickness, good in repeat anastomosis, attractive on surface and no crackin the reinforcer, and the service life of the die is prolonged.

Description

technical field [0001] The invention relates to the technical field of auto parts processing, in particular to a cold stamping process of an auto sunroof reinforcement. Background technique [0002] The car sunroof is installed on the roof, which can effectively circulate the air in the car and increase the entry of fresh air. At the same time, the car window can also broaden the field of view and meet the shooting needs of mobile photography. The car sunroof can be roughly divided into: outer sliding type, inner Tibetan style, built-in flip-out style, panoramic style and curtain style, etc., are mainly installed on commercial SUVs, cars and other models; [0003] Stamping is a metal processing method, which is based on the plastic deformation of metals, using molds and stamping equipment to exert pressure on the sheet metal, so that the sheet metal is plastically deformed or separated, so as to obtain parts with certain shape, size and performance (stamping parts), stampin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D53/88B21D22/02B23P15/00C21D9/00
CPCB21D22/02B21D53/88B23P15/00C21D9/00
Inventor 吴大琪
Owner 泰州市双宇汽车零部件有限公司