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Thread: How to Make a Sheet Metal Punch

  1. #1
    Supporting Member Catfish's Avatar
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    Oct 2013
    Mariposa, California
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    Catfish's Tools

    Cool How to Make a Sheet Metal Punch

    How to make a sheet metal punch, I needed a 30 mm sheet metal punch. So I made my own from W-1, I do a shop heat treatment. The punch works great. I even engrave the parts for ID. There is Lathe work, Milling and Surface Grinding involved.

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  2. The Following 3 Users Say Thank You to Catfish For This Useful Post:

    high-side (Sep 26, 2019), Jon (Sep 26, 2019), rlm98253 (Sep 26, 2019)

  3. #2
    Content Editor
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    Aug 2013
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    Thanks Catfish! We've added your Sheetmetal Punch to our Metalworking category,
    as well as to your builder page: Catfish's Homemade Tools. Your receipt:

  4. #3
    Supporting Member metric_taper's Avatar
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    Mar 2017
    Marion, Iowa
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    What the heck at 30:53, a miracle occurs and you jump to the surface grinder. Looks like the setup clamp moved from excess vibration, but I'm guessing the material got hot from the lathe work and self heat treated. But that's a guess. Also the end mill is spinning a bit fast, at least for me.
    If I understand the video, you removed all the material you were going to mill away on the surface grinder. That had to take an eternity.
    Good to see you ended up with a working punch.

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