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crane1 crane1 is offline

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  1. Dave Paine
    09-23-2013 08:47 AM - permalink
    Dave Paine
    Sorry, I only just saw this visitor message. Notifications for visitor messages are not the most obvious, so easy to miss and they are not active for long.

    There is no easy rule for the speed since so much depends on various factors. The diameter of the wood, how out of balance it is to start, the shape - square vs somewhat round, the HP of the lathe, and the operators tolerance for vibration.

    Starting an out of balance piece at a high speed can cause the lathe to vibrate, shake or bounce around the floor. I had this with a 12in dia platter. I had cut the blank to be almost round, but as I inserted the worm screw, it was slightly askew and so the platter was "fluttering" front to back. Even though I started at "only" 500 rpm, the lathe was bouncing around. This blank was not heavy, only a few inches deep, so the forces generated by the screw being askew were a surprise.

    I am limited to the length of reply.


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  • Last Activity: 09-15-2015 07:13 PM
  • Join Date: 08-30-2013


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