1.The basic parameters of spring
2.Outer Diameter of spring wire diameter : diameter of spring material using in production
3.Inner Diameter of spring
5.Total coils of spring
How to protect the surface of the compression spring?
The compression spring surface could be blacken,phosphating,electroplating,powder coating etc.
When customer send us spring drawings,what we should pay attention to?
Drawings should be reviewed as following:
1.Geometric parameters including material size,diameter,spring coil number,
2.Physical parameters including load,stiffness,deformation,the theretical value
3.Technical conditions including tolerances,heat treatment and surface treatment.