TECHNICAL REFERENCE
439
June 1999
96-8000
12. TECHNICAL REFERENCE
12.1 TOOL C HANGER
The tool changer is an all electric fixed shuttle type. Tools are always loaded through the spindle and should
never be installed directly in the carousel in order to avoid crashes. The pocket open to the spindle must
always be empty in the retracted position. All wiring to the tool changer goes through connector P6 on the side
of the control cabinet.
CAUTION! If machine is equipped with the optional 50 taper spindle, follow these guidelines:
Ø 25 lb. maximum per tool, and 300 lb. maximum total tool weight.
Ø Extremely heavy tool weights should be distributed evenly.
CAUTION! If machine is equipped with the 20 or 32 pocket tool changer, follow these guidelines:
Ø 12 lb. maximum per tool (200 lb. maximum total tool weight for 32 pocket tool changer).
Ø Extremely heavy tool weights should be distributed evenly.
Ø Ensure there is adequate clearance between tools in the tool changer before running an
automatic operation. This distance is 3.6" for 20 pocket, and is 3.4" for 32 pocket.
Low air pressure or insufficient volume will reduce the pressure applied to the tool unclamp piston and will slow
down tool change time or will not release the tool.
If the shuttle should become jammed, the control will automatically come to an alarm state. To correct this,
push the EMERGENCY STOP button and remove the cause of the jam. Push the RESET key to clear any
alarms. Press "Tool Changer Restore" button, to automatically reset the tool changer after a crash. Never put
your hands near the tool changer when powered unless the EMERGENCY STOP button is pressed.
FU1 on the I/O PCB or the Power PCB is a fuse for the tool changer motors. It might be blown by an overload
or jam of the tool changer. Operation of the tool changer can also be interrupted by problems with the tool
clamp/unclamp and the spindle orientation mechanism. Problems with them can be caused by low air pres-
sure or a blown solenoid circuit breaker CB4.
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