Torsion spring because is to rely on the torque and rotating force to produce the effect, so for spring stiffness to have very strong demand, spring stiffness refers to the unit, is in a fixed Angle, formed by the rotary torque, if spring stiffness is insufficient, torque and rotating force is insufficient.
Besides
torsion spring to be aware of is big deformation, load and rotate to specification three pay attention to the site.
so after boils down to the tensile strength and shear strength of material, of course, with the fourth strength theory to calculate the Von Mises stress for material can withstand great strength, combined with the length of the spring, can calculate the big allow reverse Angle.
spring torsion is tensile or shear state such as when it comes to reverse calculation, so this can be after torsion Angle limit because of material failure, caused by plastic deformation occurs when the material can't restore the original state.
according to the application requirements, the design of torsion spring handedness (
Clockwise or counterclockwise)
To determine the spring handedness.
Each circle or closely around or separate around, can the torque (competency
At right angles to the axis spring)
。
The end of spring can wound as hooked or torsion arms straight.
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