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Heat treatment process of Sofa zigzag springs
- Nov 04, 2017 -

      Heat treatment process of Sofa zig zag spring, mainly based on spring material varieties and processing conditions to develop, can be summed up in three types.

      The first type: all with reinforced steel wire, such as carbon spring wire, the important use of carbon spring steel wire, steel wire, oil quenching and tempering spring steel wire and strip cold forming process to make the spring, just after the formation To stress annealing.

Qin (commonly known as stereotypes tempering) treatment.

    The second type: All with hot forming and annealed materials, cold spring coil, are subject to quenching and tempering.

     The third type: All with the solution treatment and cold-drawn austenitic stainless steel, precipitation hardened stainless steel wire, steel and copper-nickel alloy material with a cold forming process of the spring, the need for hardening after aging treatment.