HUST CNC H6D-T - Page 126

HUST CNC H6D-T Manual
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Ex: N10 G50 S2000 Max. rotation speed of the spindle is 2000 rpm.
N20 G96 S200 The constant surface cutting speed is 200 m/min.
3.20 Constant Surface Speed Control OFF, G97
Format:
G97 S____
This function maintains the spindle speed defined by S. It cancels the constant surface
cutting speed at the same time.
3.21 Feed-rate Setting, G98, G99
G98 : Feed per minute, mm/min
G99 : Feed per revolution, mm/rev
The feed-rate F in H6D-T turner series is defined by G98 and G99. G99 is the default
value. The conversion formula is:
Fm = Fr * S
Fm : Feed per minute, mm/min.
Fr : Feed per revolution, mm/rev.
S : Spindle speed, rev/min.
3.22 Inch/Metric Measurement Mode , G20, G21
Format:
G20 -- System measurement in INCH mode
G21 -- System measurement in METRIC mode