Feb 23, 2004 Spindle motor is rated for 3600rpm/3HP w/2-speed gearbox. Am using an inverter for continuously variable speed control between 50-3600 rpm. Am contrmplating the need to mill relatively large (for me) components from blocks of materials, say 3 x 6 x 14 blocks. These components took quite a while to mill the first time around at the above.
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