Details and dimensions

Wire diameter (d)   ?d (wire diameter): This is the wire section used to make the spring.
Outside diameter (De)   ?De (outside diameter): This can be calculated by increasing the inside diameter by twice the wire diameter. It should be smaller than the bore diameter.
Inside diameter (Di)   ?Di (inside diameter): This can be calculated by decreasing the outside diameter by twice the wire diameter.
Number of active coils   ?Active coils: This is the total number of coils minus the 2 end coils.
Total number of coils   ?Number of coils : Total coils, this is the total number of turns of the wire from one end to the other.
Free length (H0)   ?H0 (free length): This is the free length of the spring (without any constraint)
Solid height (Hj)   ?Hj (Solid height): This is the height when the spring is compressed to its maximum.
Pitch (P)   ?P (pitch): This is the average distance between 2 active coils.

Ends

Closed coil endsOpen coil endsSquare coil ends

Additional information

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