What is the distinguishing feature of the making craft of spring?

What is the distinguishing feature of the making craft of spring? Spring manufacturer introduces the fabrication process a variety of spring, but the key of forming process has two kinds, cold forming and hot forming. In spring in the cold forming process, spring making key with oil quenching heat treatment materials, lead bath toughening call processing spring wire, cold drawn to strengthen quality cables, etc. , using this kind of material in the technological process of manufacturing the spring without professional tempering process and must be carried out only to in-situ stress hardening, spring the design scheme of work stress associated with adopted by the material properties. Spring cold forming process commonly used wire diameter is relatively small, or more complex shaped spring, such as wire diameter less than 15 mm, all kinds of spring, spring, twist spring rashin, the convex, concave, arc spring, etc. Cold forming process features are: plant art steps short and concise, preventing the deformation of quenched and tempered treatment, carburizing again etc. In spring hot forming process, the spring making key USES the hot rolled material, quenching, quenching cold drawn material, adopt this kind of material production and manufacturing the spring must be heating and quenching and tempering heat treatment processing, spring the design scheme of work stress associated with selected materials and tempering treatment. General appropriate spring hot forming process in line size large, or simple spring, such as wire diameter of more than 8 mm various cylinder or cone type spring. In hot forming process feature is great appreciation of the utility, can manufacture wire spring.
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