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  1. Oldandconfused

    Machining holes on a PCD

    Hello to anyone that's clicked this link! As indicated above, I have a question concerning the machining of holes on a PCD. To be more specific, holes in a shaft flange (big flange). The PCD of the holes (10 holes) is 900mm. Naturally there is a matching flange with the same number and PCD of...
  2. Oldandconfused

    Cosmetic threads

    Can someone help? I'm trying to show a cosmetic thread in a cross section. I've tried the on-line help but thats next to useless. This is what I've tried so far:- In drg properties, changing the 'remove_cosm_from_xsec' to allthe options i.e. none, all, yes, total, no...still no luck. On the...
  3. Oldandconfused

    Used Colchester or New Chinese Longem lathe?

    I have a dilemma and hope you good folk could throw a little light on the choices I have? As suggested above, I can spend around £6,000 on a used Colchester Mascot 1600. Alternatively I can spend approx the same amount on a brand new Longem machine. As a comparison to the Colchester, I have...
  4. Oldandconfused

    Calculating a push up load

    Hi Guys...I just registered on here after someone recommended the site to me. I need help with a calculation and as my name suggests, the ol' grey matter just aint doing it for me right now! Okay, I got a taper shaft which is 2.88" dia at the large end and 2.715" at the other. I've also got a...

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