Precision Turning on a Budget Lathe with Electronic Leadscrew
Автор: HM
Загружено: 2023-01-05
Просмотров: 1433
Описание:
Playing with some closed loop feedback settings on my electronic leadscrew project and I'm getting consistent results hitting target dimensions within +/- 5uM
At the moment it only works for single axis linear movements with automatic backlash compensation for trapezoidal leadscrews.
The DRO optical scale itself has a backlash of +/- 5uM so not going to get any better than that I think. I would still use a ballscrew if I were to fully convert the lathe to use CNC, but for a hybrid manual lathe I'm quite pleased with the results.
The most tricky part is making sure the tool offset from stock is measured accurately. It's more accurate if you take an initial skim pass, then set the tool offset before actual turning.
#electronicleadscrew #australianmachinist #machining
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