I thought I would try a user M code (M103), such that via my post-processor, whenever I call a G33.1 I can also input an M103 which is the limit2 function. "and linuxCNC should have lower limits that are easily changedĪnd may be even dynamically changed based on what operation is being performed" Please Log in or Create an account to join the conversation. will the slight squeal go away when not just cutting air? Thus, rather than the spindle slipping on the belt during the direction reversal because the tool wants to continue with its own momentum rather than change direction, is it possible or probable that this effect will be reduced, as the tap has drag in the material and thus has lower momentum to want to continue in the same direction during the reversal? i.e. When tapping in metal (rather than in air), with the tap in the material, the spindle will be naturally loaded. Is there a parameter to set a ramp down/up of the spindle motor for those times when a reversal of rpm is made relatively quickly, say in a rigid tap situation such as this? andĢ. When I test rigid tap (when cutting air), sometimes at the point of reversal (bottom of the hole), the belt gives a small squeal as it goes from fwd to reverse (at 400 rpm).ġ. I have a belt driven spindle, the encoder is on the motor side.
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