For example, when a CO2 laser engraving machine carves a figure, it will first reverse a certain distance in the starting direction, and then start to speed up. When it reaches the starting point where it needs to carve or cut, the speed will reach the set carving speed. At the end, it will also be the same way. Go another distance in the end direction to reduce the acceleration. During the reduction process, the laser does not emit light. Please take a look, Can my grbl board achieve this function
I think most grbl machines have to be told, dsp controllers handle that internally without worry to the operator.
That’s what the “overscan” percentage provides: deceleration and acceleration space.
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