Model SH-2012AH-QG
Cutting Machine
（
C002
）
10
It is recommended to preheat the system(for flame cutting) and then press [START] key to select appropriate operation.
3.5. Original Path Return
When it is necessary to return the cutting torch along the original path due to failure to cut through in
machining operation, handle it in the following ways:
3.5.1Return along original path
Press [PAUSE] key to suspend the running system. A "pause" mark will appear on the system display in
addition to prompt as shown in the figure below.
Press [F6] key to return the cutting torch along the original path .
Press [F7] key to advance along the original path after returning. In the process of return, if the cutting torch
fails to reach the required position, press [PAUSE] key again and repeat the above procedure until it reaches
the right position .
3.5.2 Return at G00(when reach a piercing point)
In the process of return, the cutting torch will stop at G00 or a piercing point for operator to select going on
return or advancing.
3.5.3 Operation after returned
After the cutting torch returns to the designated position, it is allowed to select position adjustment of cutting
torch(refer to 3.4) or piercing directly by pressing the appropriate heavy-current function key such as
PREHEA(piercing preheat) and CUT(cutting oxygen).
It is common practice to--
Press [PIERCE] key after preheating operation is done, or
For flame cutting operation, press CUT key(open the cutting oxygen) if the cutting torch lifts or
continue machining if the cutting torch lowers; or
For plasma cutting operation, ignite arc and do not go on machining until the arc ignition is
completed.
3.5.4
Repeat the above operation procedure until the desired effect is achieved.
3.5.5 To exit machining mode
In pause state, press [ESC] key to exit machining mode.
3.5.6 Total row number and beginning row in return process
The program segment for return allows 300 rows maximum. In case of breakpoint restoration(RESBREK) or
machining section selection(SECTION), the return beginning row is the row containing the current
breakpoint or the section selecting row, upon which however the cutting torch is not allowed to return along
the original path for machining.
Fig. 3.4 Machining pause display
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