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Stretching the spring order long hook tension spring on-demand customized supply

by:Yongqiang     2020-12-21
Tensile spring design parameters:
indicate the material diameter ( d) , outer diameter ( D) The presidents ( Ho) The work world ( n) , the location and shape of earring, load ( 我p p 1 p 2……) And the corresponding value ( H1H2……Hj) If there is early tension, as shown in figure, is on the Po.

:
a number of different terminal device or a 'hook' is used to ensure tensile spring source of tension. Contrary to the principle of compression spring tension spring. Compression spring reverse effect at the time of compression and tension spring, a reverse effect at the time of stretching or open. When tensile spring open on both ends, spring will be trying to bring them back to together.

extension spring feature
the spring is under axial tension spring, stretching after pulling force is used to store energy, it will try to back together after open, produce to the force majeure. When not bearing, is between tension spring coil and tight, so tensile spring coiling of the close degree is decided by the initial tension. Its general with stainless steel, piano steel, high carbon steel, phosphor copper, oil tempered alloy spring steel, etc.

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.
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