change during sizing and tool replacement are the most troublesome scrap -causing problems. Well-trained people will, of course, scrap fewer workpieces than poorly trained people. (E-mail me to get the Tech Talk column that shows how). Your setup people should be able to find gross motion mistakes during the program's first dry run.
Or maybe you should consider lowering the skill level required to make offset changes. This "Must-Have"pack is 50 Off for a few days! 50 off in my shop on Valentine products: Posted two months ago, get Deal, lace Frames. Next, the probe will measure the surface just machined, and the program will adjust the offset accordingly. Posted two months ago, get Deal, mix Cardboards 4 30 OFF!: Posted two months ago, get Deal. The second time the tool cuts, it will be within its tolerance band. Assuming that raw material is acceptable and that you have a stable machining process (two scrap causes that may be beyond the control of people in the CNC environment most of what causes scrap workpieces can be traced to human error.
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