{\rtf1\ansi\deff0{\fonttbl{\f0\fnil MS Sans Serif;}} {\colortbl ;\red255\green0\blue0;\red0\green0\blue0;} \viewkind4\uc1\pard\qc\cf1\lang2057\b\f0\fs24 G97 Spindle Speed in Rev/Minute \par \cf2\b0\fs20 \par \pard\cf1\b\fs24 \par \cf2\b0\fs20 The G97 command allows a spindle speed written in the units, revs per minute, to be entered into the machine controller. All subsequent spindle speeds are defined in revs per minute, after the original read-in of the command G97. If a change of spindle speed is required within a program, only the S __ value needs to be entered. \par \par A G97 command for spindle speed control is written in the following format: \par G97 S __ ; \par where, \par S __ is the spindle speed, written in the format revs per minute.\cf1\b\fs24 \par \par \par \par \par }