GSK 980TDi, Руководство пользователя

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GSK980TDi Turning CNC System User Manual
142
Ⅰ
Programming
O0011;
G00 Z90 X0 M03;
Start spindle
G33 Z50 F1.5; Tap cycle
M03 Start
spindle again
G00 X60 Z100; Machine continuously
M30
Note 1: Before tapping, define rotation direction of spindle according to tool rotating. The spindle stops
rotation after the tapping is completed and the spindle is started again when machining thread
continuously.
Note 2: G33 is for rigid tapping. The spindle decelerates to stop after its stop signal is valid, at the moment,
Z executes continuously infeeds along with the spindle rotating, and so the actual cutting bottom
hole is deeper than requirement and the length is defined by the spindle speed and its brake in
tapping.
Note 3: Z rapid traverse speed in tapping is defined by spindle speed and pitch is not relevant to cutting
feedrate override.
Note 4: In Single block to feed hold, the tapping cycle continuously executes not to stop until the tool
returns to starting point when the system displays “Pause”.
Note 5: The thread cutting decelerates to stop when the system resets, emergently stop or its driver alarms.
3.23.6 Rigid Tapping G84, G88
Command format
：
End face rigid tapping G84 X(U)__ C(H)__ Z(W)__ P__ F(I)__ K__M__
；
Side rigid tapping G88 Z(W)__ C(H)__ X(U)__ P__ F(I)__ K__ M__ ；
Command explanations: modal G codes
G84: End face tapping cycle G code
G88: Side tapping cycle G code
(X
，
C): Tapping hole position
；
------G84
Z: Hole bottom position of tapping ； ------G84
(Z
，
C)
：
Tapping hole position
；
------G88
X: Hole bottom position of tapping hole ； ------G88
P: Pause time (ms) when tapping to the hole bottom
F(I)
：
Thread lead, F
（
I
）
> 0 right-hand tapping, F
（
I
）
< 0 left-hand tapping, and its range is referred
to Table 1-2
K: Repetitive count of tapping. When the incremental programming is used to the tapping hole
position, the tapping is performed in the different hole position, and its range is referred to
Table 1-2
M: Used to clamp the graduation spindle.
Rigid tapping method:
1. M29 S_ before G84/G88 is specified below
M29 S_
；
G84(G88) X_C_(Z_C_) Z_(X_) P_ F_ K_ M_
；
2. M29 S_ in the same block is commanded below
G84(G88) X_C_(Z_C_) Z_(X_) R_ P_ F_ K_ M29 S_ ；
Notes
：
1) For the above 2
nd
method, the machine zero return is executed before the spindle executes the tapping,
otherwise, the method cannot be used. In M29, CNC cannot select a spindle to execute the tapping. The
rigid tapping needs to be clamped when the spindle positioning is completed, the method also cannot be
used because M codes cannot be in the same block;