Teach you how to improve the quality of spring pogopin.sewing thimble Merchant

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

　　1. How to optimize the drawing process. The number of equipment reels 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 number of drawing times should be appropriately increased, especially the last 1 The true partial compression rate can change the state of the internal stress distribution of the steel wire, so that the tensile strength will continue to decrease, the plasticity index will increase, 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 energy and increase energy consumption. At this time, drawing powder needs to be used to dry It has good fluidity and requires frequent stirring during drawing, which can prevent the coking of the drawing powder. During the wire drawing process, ensure that the cooling water channels of the mold box and the reel are unobstructed, and sufficient flow can be maintained, and the mold box can be kept dry and clean. The reel of the wire drawing machine adopts internal slit water cooling and external forced air cooling. The finished reel adopts internal spray water cooling and external annular gap forced air cooling. The cooling water with relatively low hardness is used. The water pressure is 0.2-0.3MPa, and the temperature Do not exceed 30°C.

　　3. In the spring production process, it is necessary to strictly control "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, which can reduce the oxidation of the surface of the steel wire and prevent the steel wire from being oxidized. Hanging lead, at the same time, can strengthen the management of the lead tank, can ensure that the surface of the lead liquid is covered tightly, and can run the steel wire in the lead pot.

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