CHAPTER 9: TROUBLESHOOTING / MAINTENANCE 99
TRYTON 107/112
AL27 – BAR STOCK MOVING FWD WHILE HEADSTOCK MOVING BACKWARD !
Description
This problem occurs if the lathe tool is defective, broken or at the wrong place.
Solutions
Check the status and position of the lathe tool.
AL28 – HEADSTOCK TRAVEL SHORTER THAN EXPECTED. THE PUSHER LOST THE BAR
STOCK !
Description
The overall part length parameter value is too short or the pusher did not travel the distance that was
programmed in for the overall part length.
Solutions
Check that the Input Overall Part Length parameter is equal to the travel of the headstock and not the
finished part length.
Check the collet on the pusher. May be broken or worn or the incorrect size.
Check to see if the pusher got jammed in the channel.
Make sure the guiding channels are seated correctly in the channel (maybe chips fell underneath the
guiding channels).
If the problem persists please contact LNS SA for further information.
AL29 – PARTS SEPARATOR GOBLETS SYSTEM MALFUNCTION!
Description
This alarm occurs if any mechanical obstruction prevent the separator goblets to be correctly positionned
or when the positioning motor is defective.
Solutions
Remove any obstruction that could prevent the functionning of separator goblets positionning.
Adjust or replace le moteur de positionnement des gobelets
If the problem persists please contact LNS SA for further information.
AL30 – PUSHER LOST THE BAR STOCK WHILE MOVING BACK TO HOME POSITION !
Description
This alarm occurs whenever the PLC does not receive the signal (I8 – SQ4) during remnant extraction in
automatic production cycle.
The problem occurs when the remnant is lost during extraction movement.
Solutions
Check the collet function and state.
Make sure the collet internal diameter is the right size for bar stock.
Remove any excess burrs on the bar before loading.
AL31 – LATHE TAPPING DEVICE FAILURE !
Description
This alarm occurs when the screw-tap is broken.
Solutions
Replace the screw-tap.
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