Spring manufacturer of spring manufacturing process

Spring manufacturer helical spring of spring manufacturing process analytical production process is to do the finished spring, spring materials through the process of different operating procedures in accordance with the order. According to the spring material, spring type and different processing methods, spiral spring procedure also have difference. However, the basic process is: - coil spring Heat treatment - - end processing Surface treatment. Below, always strong took several common spring together to understand the manufacturing process. 1, made of cold drawn spring steel wire spiral compression spring for lathe, coil spring after spring coiling process must be approved by cutting process, the rolled a few spring separation into individual spring together. Some of the important spring, before the grinding end face, can increase a blank height classification process, to ensure the quality of grinding. Grinding process can also be divided into two process coarse grinding and finishing tang, and after the coarse grinding deburring or chamfer. 2, made of cold drawn spring wire extension spiral spring coil spring manufacturing, foreign existing automatic spring coiling machine, for some typical clasp, can be done in a spring coiling process. In China, however, has yet to produce this kind of machine tool. Tensile spring shackle is made from some special die, is a special process. It is important to note that after the coil spring to stress tempering process is to eliminate the residual stress produced in the process of winding, the shackle to make after the tempering process, is making a shackle to eliminate internal stress. Although the process has the effect of stress relief, but can not be combined into a working procedure, because before tempering process both 'setting' function, to ensure that the shackle of the relative position accuracy. And after the tempering process of tempering temperature of the heating temperature must not be higher than the previous one. Unlike compression spring, tension spring is generally not strong 'pull' processing. Due to the surface in pill granule is difficult to into the spring, so don't shot peening treatment. 3, made of cold drawn spring wire torsion spring like extension spring, torsion spring manufacturing, foreign also has a special automatic spring coiling machine, for some typical twisting arm, can be done in a spring coiling process. However, the domestic only straight spring coiling machine, twisting arms must use special mould, on special process to complete. Due to working stress and the residual stress produced by the coil spring in the opposite direction, so also often omit the tempering process, in order to make these beneficial residual stress reduction of working stress peak value. However, tempering treatment is beneficial to make spring material grain structure stability, and can reduce the torsional spring arm in the process of transportation caused by collision deformation. Strong twisting process is for a few special torsional spring and arrangement process. 4, made of annealed state supply of spring steel wire spiral spring annealing state supply alloy spring steel wire is mainly used to manufacture spiral compression spring, its technological process is different from the above mainly after the forming of the quenching and tempering treatment, manufacturing spring end sometimes need to the normalized processing, other processes are basically the same.
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