A kind of manufacturing method of automobile leaf spring

A technology of automobile plate and leaf spring, which is applied in the field of automobile preparation, can solve the problems of serious environmental pollution, easy aging and falling off, and not resistant to wear, and achieve the effects of reducing energy consumption, avoiding deformation or cracking, and reducing energy loss
CN111809034BActive Publication Date: 2022-02-01四川丰元机械制造有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
四川丰元机械制造有限公司
Publication Date
2022-02-01

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Abstract

The invention discloses a method for preparing an automobile leaf spring. The automobile leaf spring is manufactured by using a spring steel billet material containing molybdenum, vanadium and trace amounts of chromium and nickel elements. Spring steel plate, rolled lugs, constant temperature treatment, water cooling and quenching, air cooling, surface fine grinding, shot blasting treatment, gas co-infiltration, coating, and finished product after drying. This invention uses the waste heat repeatedly after the hot rolling process with the help of a constant temperature device Complete the forming and heat treatment of the leaf spring, reduce the heating time, and greatly reduce the energy loss. In the heat treatment process, water is used as the cooling medium, which reduces the environmental pollution problem. Cost reduction, improved surface quality of leaf springs, increased corrosion resistance and fatigue properties.
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Description

technical field

[0001] The invention relates to the technical field of automobile preparation, in particular to a method for preparing an automobile leaf spring. Background technique

[0002] Automobile leaf spring is the most traditional elastic element in automobile suspension system. It has the advantages of good reliability, simple structure, short manufacturing process, low cost and greatly simplified structure. Mainly made of spring steel. The disadvantages of prior art manufacturing automobile leaf springs are as follows:

[0003] 1) High energy consumption and serious environmental pollution in the production process. It is mainly reflected in the fact that the variable cross section needs to be heated once, the coil ear needs to be reheated once, and the quenching needs to be reheated to a high temperature again. Repeated heating for several times, the energy loss is large; in addition, the domestic leaf spring quenching medium is oil quenching, when tempering It...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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