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Stretching tension to figure processing custom non-standard spring tension spring high cost performance

by:Yongqiang     2020-12-17
Tensile spring associated standards:
GB/T_1239 [ 1] 。 1 - 2009 _ _ cold roll of cylindrical helical spring technology conditions, part 1: tension spring;
GB / T2087 - 2001 cylindrical spiral tensile spring size and parameters: GB/T 2008 - 1997, etc.

tensile spring nettley, generally speaking, there are threads of embedded, cross center TAB, retractor, more holes, shrink pores, rectangular convergent and teardrop-shaped convergent, convergent from spring body's length can be according to the specific circumstances. More common is pegged to the extension spring, the 'hook' is a source of tension, its shape is circular cross section, easy fixed to the connected components. Tensile spring (

Also called torsion spring, tension spring) Is under axial tension spring, tension spring are generally made of material with circular cross section. When not under load, tensile spring between the circle and circle are generally no clearance and tight. Formula:


spring constant: to k said, when the spring is stretched, each additional load (1 mm distance kgf /毫米)
spring constant formula ( Unit: KGF/mm) :k = ( G*d4) /( 8*Dm3*Nc)
G: module of rigidity of wire; D: wire diameter; Dm: - pitch diameter = diameter Wire diameter; Nc: laps = total number of laps - effectively 2.
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