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  1. ranparn

    Soft Chuck Jaws vs Hard Chuck Jaws

    We manufacture chrome plated steel rods and tubes and turn them on a lathe. The tubes are 1026 and the rods are usually 1045 steel. We've been having trouble with machining chips getting embedded in the chuck jaws creating dents and dings on the outside diameter of the tubes. These tubes are not...
  2. ranparn

    Lobing vs Hexing on Centerless Grinder

    Thanks for the article. This article explains how to setup, which we are already doing this. I need to know if hexing and lobing are the same.
  3. ranparn

    Lobing vs Hexing on Centerless Grinder

    We have an inline feed centerless grinder that's capable of grinding 24 ft. bars and tubes. We are having trouble with lobing and/or hexing on the OD. We've realigned the jack plates to where the work piece is slightly above center. We've also dressed the Reg wheels. Just not sure if lobing and...
  4. ranparn

    Stress Crack on C1045 6" diameter 24' long

    The depth of the crack goes well beyond the case depth. The shaft was not baked after chrome plating. The bar was ground prior to plating to establish a good surface finish. The only thing done with the bar after plating was a couple of saw cuts. I sent the sample where I believe the crack...
  5. ranparn

    Stress Crack on C1045 6" diameter 24' long

    I have a 6" diameter chrome plated bar C1045 steel that is induction hardened to 60 HRc on the surface with a case depth of around .050". My customer found the bar in the condition as shown in the attached picture. The bar didn't look like this before we shipped it. Not sure if this is a quench...

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