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  1. XD351 replied to the thread Problems with face cutting on lathe, wavy pattern.

    Try a HSS tool with zero or even some negative rake

    Apr 22, 2019 at 2:29 PM
  2. XD351 replied to the thread Problems with face cutting on lathe, wavy pattern.

    The concentric rings are extremely regular which to me would indicate an intermittent feed with a regular pause , like feeding one turn...

    Apr 20, 2019 at 9:49 AM
  3. XD351 replied to the thread Lapping machine for piston rings.

    Probably more important is that the ring is not twisted like a spring washer and that goes back to the heat treatment process .

    Apr 20, 2019 at 5:42 AM
  4. XD351 replied to the thread Problems with face cutting on lathe, wavy pattern.

    Are you using the power cross feed ? If you are then it might be something with the drive that is doing it , if you are doing it...

    Apr 20, 2019 at 5:35 AM