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Teach you how to improve spring quality.Precision car parts price

source:Industry News    Popular:pogo pin for moilble phone     release time:2021-11-25 09:45:54     Article author:sznbone

  

Teach you how to improve spring quality.Precision car parts price(图1)

  Springs can be seen everywhere in modern life, whether they are used in mechanical production, or in some small tools and objects in life, how should the quality of springs be improved? So today Shenzhen spring manufacturer Chuangda Gaoxin will explain to you.

  1. How to optimize the drawing process, the number of equipment rolls is under certain conditions, at this time, the total compression rate should be kept unchanged, the partial compression rate should be appropriately reduced, and the drawing times should be appropriately increased, especially the last one. The compression rate of the genuine part can change the state of the internal stress distribution of the steel wire, so that the tensile strength is continuously reduced, the plasticity index is rising, and the product qualification rate will be greatly improved.

  2. During the drawing process, the sliding friction between the spring steel wire and the drawing die may cause uneven deformation of the steel wire in the die hole, and will generate a lot of heat and increase energy consumption. At this time, drawing powder is required to be dried. It has good fluidity, and it needs frequent stirring during the drawing process, which can prevent the drawing powder from coking. During the drawing process, ensure that the cooling water channel of the mold box and the reel is unobstructed, can maintain sufficient flow, and keep the mold box dry and clean. The drawing machine reel uses internal narrow-slit water cooling and external forced air cooling. The finished reel uses internal spray water cooling and external annular gap forced air cooling. Cooling water with relatively low hardness is used. The water pressure is 0.2-0.3MPa, and the temperature is Do not exceed 30°C.

  3. In the spring production process, it is necessary to strictly control the "three temperatures and one speed", that is, to control the lead temperature, furnace temperature, wire temperature, and the running speed of the steel wire in the furnace, so as to reduce the oxidation of the steel wire surface and prevent the steel wire Hanging lead can strengthen the management of the lead tank at the same time, which can ensure that the surface of the lead liquid is covered tightly, and the steel wires can run crosswise in the lead pot.


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