LNS GT 112-E, Instruction Manual

Page: 126 / 201

9 - 12
Chapter 9 TROUBLE SHOOTING GUIDE
GT 112-E
<Note> To disable this function <Too short>, set the
value “0”.
Troubleshooting
1. Check if the bar feed alignment is correct.
2. Check if the lathe chuck is too tight due to the
incorrect size or there are burrs inside the chuck or
on the bar.
3. Check if <Too short> setup on “PART SETUP” is
incorrect.
4. Check if “End of Bar” position setup is incorrect.
5. Check if the headstock synchronization system
works correctly.
6. Check pusher length.
7. Check if bar stock is disconnected from the pusher
collet.
8. Press “STOP” button on HMI to clear the alarm.
AL18 The Pusher Lost The Barstock While Moving To Its Home Position!
Description
Material clamping device clamps and detects the bar
stock by sensor SQ6. If SQ6 doesn’t detect any
material, this alarm will arise.
Troubleshooting
1. Check if the lathe chuck collect is too tight or for any
burrs on the remnant surface.
2. Check pusher collet size
3. Check if switch SQ6 on clamping vise is defective of
misadjusted.
4. Press “STOP” button on HMI to clear the alarm.
AL19 Barstock Insertion Malfunction!
Description
1. The pusher repeatedly tries to insert the bar stock
for 5 times without reaching the 35 mm insertion
position to insert the bar stock.
2. If “BAR INSERT CHECK”=NO and insertion
procedure is completed the pusher will move back
and forth and the clamping vise will detect the bar
stock. If no bar is detected the alarm will be
generated.