Specifications

PARAMETER 2
2-191
Classification
USER
Display title
TURNING
Address Meaning
Description
Feed stopping rotation dwell time during the
chip cutting cycle (valid only for roughing)
Program type M
Conditions Immediate
TC71
Unit Revolutions
Setting range 0 to 65535
Specify the feed stopping rotation dwell time during the chip cutting cycle.
Feed is stopped while the spindle rotates for the specified time.
Note:
If “0” is entered, the dwell time will be handled as “0”. However, the feed
rate will be reduced since the dwell function itself will be executed.
Number of times of roughing in the
composite-type fixed cycle (G273)
Program type E
Conditions Immediate
TC72
Unit Times
Setting range 0 to 65535
If the number of times of roughing has not been specified in the program,
operation will occur in accordance with the setting of this parameter.
Number of times of
roughing
Return speed at pecking portion in groove
cutting unit and turning-drilling unit
Program type M
Conditions Immediate
TC73
Unit
0.001 mm/rev
0.0001 inch/rev
Setting range 0 to 65535
Pecking speed
[1] Cutting: (G1) F command data
[2] Pecking: (G1)
TC73
[3] Cutting: (G1) F command data
When executing groove cutting with grooving pattern #0 (only for oblique
groove) the tool returns from the groove bottom also at the “G1” feed rate
determined by this parameter.
Grooving #0 (Right-angled groove)
Grooving #0 (Oblique groove)
Returns at G0
Returns at G1
Note:
In turning-drilling unit, TC73 setting will be used only for #2 and [#2] types.
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