What are the requirements of different spring products?

Big spring for loading precision and high ground stress should take cold drawn material or cold drawn after grinding and polishing of stainless steel plate. Spring factory is introduced for spring load precision and in-situ stress is low, can use hot rolled stainless steel plate. Leaf spring usually use si2mn 55, 60 si2mna, 55 simnmov simnvb, 55, 60 CRMN, 60 CRMNB steel models of flat steel, etc. Raw materials section of a compression spring, should be used * to choose the circular cross section. Square and rectangular box section of raw materials, to bear ability is stronger, good shock characteristics, and can make the spring transition, but less raw materials come from. And the price is higher, in addition to the extraordinary must, generally do not use this raw material. In recent years, the product research and development use round stainless steel wire rolling flat instead of ladder shaped stainless steel wire, obtained the very good anticipated effect. Work under high temperature of raw materials, the spring on the tensile strength has very good temperature resistance, resistance to lax or stress relaxation ability, anti-oxidation professional ability, resistance to corrosion medium professional ability. Spring working temperature, the compressive strength of raw materials to reduce, decrease the bending stiffness, carrying capacity of smaller. Work under high temperature, therefore, necessary to understand the rate of change of the compressive strength of the spring on the ( Value) To calculate the bearing capacity to reduce the harm of performance parameters of the spring.
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