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Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

Un-bending a Machinist’s Parallel Clamp Jaw

A previous owner used a little too much force on this machinist’s parallel clamp:

Bent parallel clamp jaw
Bent parallel clamp jaw

It’s been in the bottom of my clamp box forever, so I figured I should either fix it or toss it. Grabbing the butt end in the bench vise and applying some percussive adjustment with a 3 pound hammer straightened it right out:

Parallel clamps in action
Parallel clamps in action

Done!

Comments

6 responses to “Un-bending a Machinist’s Parallel Clamp Jaw”

  1. Daniel B. Martin Avatar
    Daniel B. Martin

    Sometimes the BFH is the right tool for the job!

    1. Ed Avatar

      And I didn’t even file to hide or paint to cover!

  2. Vedran Avatar

    But what is that mystery project on the drill press table?

    1. Ed Avatar

      An aluminum counterweight for the halogen desk lamp rebuild. If the Tiny Bandsaw cut steel, I wouldn’t need nearly so many sheets … [sigh]

      1. Daniel B. Martin Avatar
        Daniel B. Martin

        Lead automotive wheel weights are often seen at the roadside.
        1) Collect some.
        2) Break them to remove the steel clip.
        3) Drop the lead chunks into an empty steel food can.
        4) Use a propane torch to melt the lead. As a caution, do this outdoors and avoid breathing any fumes.
        5) Allow to cool.
        6) Cut away the steel can.
        7) Admire the disk-shaped lead weight thusly created.
        8) Congratulate yourself for recycling waste materials to make something useful.

        Yes, I have done this.

        1. Ed Avatar

          Part of the shop donation was a bucket full of wheel weights and lead roofing sheets; I’m still kicking myself.