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Recent content by toolman87

  1. toolman87

    heat treating?

    I am looking for a good book for heat treating. I am a tool maker and am familar with hardening d-2, a-2, o-1. I just bought a heat treat furnace and had a piece of 6150 to harden. I am pretty sure it is oil hardening but at what temp and a draw temp with expected hardness. I would really...
  2. toolman87

    mechanical advantage-screw thread

    I am replacing a manual clamping procedure with a hydraulic cylinder.  I am working on sizing a cylinder and system pressure.  Currently we use a 1"-8 screw with a 15" wrench.  I estimate the we apply about 100lbs of force on the wrench to...
  3. toolman87

    tube bending

    I want to use a hydraulic cylinder to bend a tube.  Is there a formula to use to calculate bend pressure of mild steel tubing.

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