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Thread: Folding closed sections

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  1. #1

    Folding closed sections

    For a future project, I wanted some triangular sheet metal sections. I have a finger brake folder, but needed some special tooling to do this job. It works, and the 'future project' is about half complete.


  2. The Following 10 Users Say Thank You to Occasional machinist For This Useful Post:

    carloski (Oct 30, 2022), charles scozzari (Oct 31, 2022), emu roo (Feb 12, 2025), johncg (Oct 25, 2022), KustomsbyKent (Oct 25, 2022), mwmkravchenko (Oct 29, 2022), terence b (Apr 11, 2025), Tooler2 (Oct 30, 2022), Toolmaker51 (Oct 25, 2022), winmac (Oct 24, 2022)

  3. #2
    Supporting Member Toolmaker51's Avatar
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    A reliable shape for locating pins that need to disengage, often by hand, is bullet shaped. The lower portion remains cylindrical, and the 'point' easily shaped by a cordless drill and belt sander, in the case of hardened dowel pins.
    The solution of a internal and removable forming 'die' is a great solution; if held to limits of pan brake gauge & width capacities.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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