13.Spring & Spring Actuated Mechanism 

1.Material:Chrome Vanadium Steel (SAE 6150) STD.

2.supplier:
Inch——–Associated Spring
Metric—–Daido Mold Equipment CO. (HK) LTD.
3.Max. compression:30% of free length:

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4.Clerance hole per following table,tolerance of I.D. and O.D.:0.4~1.0mm (.015”~.040”):

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5. the rectangular shaped section of wire should be used whenever possible, the round shaped section of wire was used only  when the O.D. is less than 3/8”(10mm).
6. the spring must be guided as shown above.
7. pre compression:1/4 inch(Min.).

8.the typical usage:

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9. The spring used in mold E.J. returning system:

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