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Industrial Hobby Mill question.
FWIW, I sold the mill and now own a Tormach PCNC 1100.
The weak link, as you surmise, is the spindle. My plan had been to solve the problem by fitting a Tormach spindle cartridge. They’re available pretty cheap in R8 and BT30 tapers. I was going to fit a BT30. I don’t think it wouldn’t been hard. I also looked at doing a straight belt conversion to the existing head, which many have done. I preferred the Tormach approach because the amount of work looked about same and I felt the Tormach spindle cartridge was better made.
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