OPTIONS & ALLIED TOOLING − DECO 7/10 − DECO 7a/10a − DECO 7e/10e
300236 en − 02/07
Chap. 17.1 /6
ORIENTED-SPINDLE LOCKING SYSTEM OPERATION
−
Spindle positioning:
by NC
−
Oriented-spindle locking:
by an air-actuated locking pin which locks in
the notched disk in the back of the spindle to fix the spindle position.
−
Oriented-spindle unlocking: by Spring 290 which retracts locking pin.
−
Standard notched disk:
24 x 15
°
-divisions
−
Backlash:
reduced to minimum due to slant of disk
notches and locking pin.
Note: The electric spindle control is off for unhindered locking / unlocking
action.
17.1 PROGRAMMING THE MECHANICAL LOCKING SYS-
TEM.
The locking procedure is a 3−step procedure:
1) Position the spindle at the desired degree by using the function Mx19 Q..
2) Deactivate the servo−mechanism of the motor S1 or S4 by using the func-
tion M800 P1=−..., before engaging the lock.
3) Engage the compressed air lock by using the functions M831 or M841.
Note :
The spindle has to be de−servoed to prevent stress forces on the motor
if the toothed disk has not been correctly adjusted. If these stress for-
ces are too high, a NC alarm may be triggered.
TYPICAL ISO CODE FOR LOCKING/UNLOCKING :
Line
Spindle S1
Counter−spindle S4
1
M103 S0
M403 S0
2
G4 X
…
G4 X
…
3
M119 Q0
M419 Q0
4
G4 X
…
G4 X
…
5
M800 P1=−1700
M800 P1=−1703
6
M831
M841
7
G4 X0.5
G4 X0.5
8
Machining
Machining
9
M832
M842
10
G4 X0.5
G4 X0.5
Line 5:
Spindle de−servoing by using the function M800.
P1=−1700 for spindle S1
P1=−1703 for spindle S4.
Line 6/9:
M831/M832 = engage/disengage the lock S1
M841/M842 = engage/disengage the lock S4
Line 7/10:
Mandatory timeout of 0.5 sec. to allow the lock to be correctly
engaged.
Line 2/4:
Timeouts to be programmed according to the kind of machine.
Содержание DECO 7/10
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