78 |    Part 2   
15.  AUTO DOOR(OPTION) 
Operator can open /close the front door of machine manually or automatically. 
Auto door consists of air cylinder for opening/closing the front door of machine and sensor 
for detecting the status of opening. 
 
15.1  Auto door operation 
(1)  Manual operation 
[Manual mode selection] 
Press  the  switch  among  switches  shown  in  left 
side, then the machine mode will be changed into 
manual mode. 
[Door open] 
Press  the  switch  in  operation  panel  shown  in  left 
side, then the front door will be opened. 
[Door close] 
Press  the  switch  in  operation  panel  shown  in  left 
side, then the front door will be closed. 
 
(2)  Automatic operation 
The front door can be opened or closed using M-code listed below. 
 
M52 ; Front door open 
M53 ; Front door close 
 
After commanding, M-code listed above will be finished after confirming the status of 
sensor. In case that the front door is opened, automatic operation can not be started. 
But in case that the front door is opened by M52 command, automatic operation can be 
executed with door opening 
 
(3)  Restriction in operation 
Auto door operation is not available when the spindle rotation is in progress or the air 
isn’t supplied.  
After supplying air and stop spindle rotation, operate auto door. 
 
1.  Do not operate auto door when air doesn’t supplied. In case of supplying air after 
air interruption, be sure to keep away from operation part of auto door when the 
auto door is operated. 
2.  In case of supplying air again or operating auto door after the interruption of air for a 
long time, be sure to keep away from the operation part of auto door when the auto 
door is operated.