making spring steel
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  1. #1
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    Default making spring steel

    Does anyone know how to make a spring out of cpm 154 or 440c, this would be a flat bar spring

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    Whoa whoa Herman Melville, put it in a nutshell.

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    Quote Originally Posted by ron cut View Post
    Does anyone know how to make a spring out of cpm 154 or 440c, this would be a flat bar spring
    There are any number of texts out there on the subject - you should own several and digest them all

    Example:

    Tool Steel Simplified
    by Frank R. Palmer
    published by the Carpenter Steel Company

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    winding a spring is normally not hard to do. it will flex back so you might have to try a few different sizes winding so when free its correct size.
    .
    when you cut it free springs will spin hard and fast. basically dont get too close as it can be dangerous obviously.
    .
    reminds me of guy up on a ladder winding a garage door spring up in tension with pipe wrench and it slips and hits him in the face and breaks his jaw before he fell off ladder and broke his leg. probably all happened in less than 1 second

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    Quote Originally Posted by ron cut View Post
    Does anyone know how to make a spring out of cpm 154 or 440c, this would be a flat bar spring
    There are only a few "metals" or "states of metal" that CANNOT be made into a spring. At least not at anywhere near "room temperature ranges". Mercury is - shall we say "obvious"?

    Rule of thumb is that phosphor Bronze makes easy to do ones, Gold or Copper are sore difficult, make poor ones with short operating lives - if any life at all. Iron alloys are not unfriendly, nor "the right" alloys of Copper.

    What is your goal or application?

    What is it you believe limits you to those specific alloys and method - "cpm" - of manufacture?

    PS: Before anyone asks "how high"?

    "UP" is a direction, not a height.


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