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Recent content by Tenbellys

  1. Tenbellys

    machining a long tube (380mm)

    Make their own boring bar out of hex steel bar and mount a small 1/4”dia HSS insert in the side, fixing with a grub screw positioned in the end. Hold the tube on a Mandrel at one end, centre the other (with plug), turn the outside then hold the tube in a 3 jaw chuck and bore out the inside...
  2. Tenbellys

    Machining soft aluminum, 6061-O

    I’d use paraffin as a lube and polished carbide inserts
  3. Tenbellys

    Sub contract machining

    Ten years ago I left precision manufacturing and started in field service engineering, mainly due to a downturn in jobs. However I worked in Precision Engineering For 20 years. I’m considering starting a small machining business but was wondering if I needed to have ISO9001 To get jobs.

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