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TNC 426/TNC 425/TNC 415 B/TNC 407
4
Programming
e.g.
F
1 0
0
Fig. 4.14:
Feed rate F and spindle speed S of the tool
Y
X
Z
F
S
S
4.5 Entering Tool-Related Data
Besides the tool data and compensation, you must
also enter the following information:
• Feed rate F
• Spindle speed S
• Miscellaneous functions M
Feed rate F
The feed rate is the speed (in millimeters per minute or inches per
minute) at which the tool center moves.
Input range:
F = 0 to 300,000 mm/min (1181 ipm)
The maximum feed rate is set individually for each axis by means of
machine parameters.
Input
Enter the feed rate, for example F = 100 mm/min.
Rapid traverse
Rapid traverse is programmed directly with G00.
Duration of feed rate F
A feed rate entered as a numerical value remains in effect until the control
encounters a block with a different feed rate.
If the new feed rate is G00 (rapid traverse), then after the next block with
G01 the feed rate will return to the last feed rate entered as a numerical
value.
Changing the feed rate F
You can adjust the feed rate with the override knob on the TNC keyboard
(see page 2-6).