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 yqgm@yongqiang-group.com ;sales@yongqiang-group.com

Compression spring design production and quality

by:Yongqiang     2020-09-21
Compression spring, is a kind of wire forming screw geometry of hardware accessories. Thus, the hardening and strengthening of the compression spring is much more difficult than in graphic hardware. In addition, should strictly control the compression spring hardening effect of cross section. To fully understand the compression spring fatigue fracture resistance after application.


compression spring design production


in accordance with the requirements of the actual goods, choose spring material according to the standard.


on the basis of stress and compression stroke, fatigue, etc. Confirm the inner and outer diameter of the spring pressure and the effective number of turns. And line diameter range. The related parameters in formula design parameters.


it is reasonable and feasible rules, design and production of spring manufacturers.






compression spring strengthening process

shot peening hardened compression spring processing: in order to handle multiple pressure spring, according to the separation of the compression spring conveyor belt to blast chamber, in chamber blasting at the same time set up a set of parallel rods in volume. As the rotation of the drive mechanism to the edge of compression spring forward, according to the high-speed particles through the compression spring circle in the middle of the method. Impact within the circle of metal surface are the most important parts of the compression spring stress, shot peening is the best means to strengthen the suspension spring, the proper shot peening treatment after the high stress of spring can make fatigue life increase more than four times.


for the quality of the compression spring


1, the appearance quality requirements: compression spring surface quality of the goods should be smooth, no crack, oxide scale, corrosion and other defects. Cold coil spring can not have the depth is more than half of their material diameter tolerance dent, dents and scratches.


2, material: compression spring material is 65 mn steel wire, or a set of Ⅰ and Ⅱ carbon spring steel wire.


3, hardness, quenching tempering after cold tube spring hardness value should be between 44 ~ 52 HRC. Under special conditions, hardness can be extended to 55 HRC.


4, the density of processing
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