According to the bearing characteristics of spring can be divided into spring rashin, narrow spring bending and
torsion spring and spring, according to the appearance can be divided into saucer spring, ring spring, plate springs, spiral springs, truncated cone vortex coil spring and torsion bar spring, etc. , according to the production process can be divided into cold coil spring and hot coil spring.
Spring manufacturer to introduce general cylinder spring because manufacturing designed simple, and can be on the basis of stress is a condition to make various form, simple structure, is the most widely used.
Spring production of raw materials in general should have high ductility limits, ultimate strength, fracture toughness and excellent conditioning treatment characteristics, common carbon spring steel, aluminum alloy spring steel, stainless steel, spring steel and copper alloy, nickel base alloy and rubber, etc.
Spring manufacturing style
have cold volume method and thermal volume method.
Spring wire diameter less than 8 mm with cold roll method, generally more than 8 mm with hot volume method.
Some spring also should carry out after make crush or shot peening treatment, can improve the bearing capacity of the spring.
How to calculate the net weight and the force of spring?
Spring know net weight measure (
KG)
: stainless steel wire diameter stainless steel wire diameter x * spring in the spring to the total number of circle diameter x 1.
937 present elasticity formula F = kx, 100000 F for flexibility, for stiffness coefficient k (
Or stubborn index)
Longer, x for spring (
Or a short)
The length of the.
Example 1: using 5 n force to pull of 100 n/m of the spring stiffness coefficient, the spring is longer 5 cm example 2: a spring by the size of 10 n applied, to 7 cm, the size of 20 n applied, to 9 cm, strives for the bearing size when the original stretch length of 3 cm?
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