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'''Works, but is not very precise!''' | '''Works, but is not very precise!''' | ||
Quill run out is approximately 0. | 9 Aug 2013 - sjrapid and will took the arbour and chuck off, and tested the quill run out with a dial indicator. | ||
Quill run out is approximately 0.2mm - should be <=0.002mm. Chuck runout can be anything up to 10x this depending on selected speed. Your holes may be oval! | |||
We also tested with a new chuck and arbour (certified as 0.0012mm TIR). Runout remains 0.25mm on the new chuck. We didn't bother measuring TIR on the existing keyless chuck. | |||
Here's the video: | |||