An often-overlooked factor, especially by new users who might be following this thread, is the importance of choosing the correct speed. Here is a handy chart:
https://www.fnal.gov/pub/takefive/pdfs/D..._Chart.pdf
https://www.fnal.gov/pub/takefive/pdfs/D..._Chart.pdf
Mike
SB 10K (1976) Rockwell vertical mill (1967) Rockwell 17" drill press (1946) Me (1949)
SB 10K (1976) Rockwell vertical mill (1967) Rockwell 17" drill press (1946) Me (1949)