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How do I cut this stuff?

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  • #31
    Originally posted by Noitoen View Post
    Like this
    Damn ! The amount of oxygen used to cut that shaft into the pieces shown has to be unbelievable ! (Oxygen Lance video)

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    • #32
      Originally posted by bborr01 View Post
      Water jet. I don't know if any of the people here have ever tried cutting anything that large with an abrasive wheel but you will most likely end up with a broken cutoff wheel stuck in the piece too. That won't make cutting it any easier either.
      I've cut 4140PH 5" in diameter with abrasive cut off wheels a number of times when I was younger. It was slow but effective, no broken wheels... Used wheels like the below in a 9" grinder. I'd score around the circumference to get a clear groove to follow by eye and then cut the majority of the way through on one side and rotate 90 to finish up.

      https://www.lehighvalleyabrasives.co...caApjREALw_wcB

      These days I'd probably torch it and, if I needed a clean face, hard turn / part in a lathe. Feels faster and quieter than running the angle grinder and I don't have a water jet!

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