GSK928TE
Ⅱ
Turning CNC System User Manual
107
2. Z cuts feed and its end point is defined automatically by the system.
3. X retracts the distance K at F speed.
4. Z rapidly retracts to the starting point. X feeds the distance I+K.
5. X feeds to the specified position by repeating the above steps 1—5.
6. Execute the final path to finish its machining.
B
B
A
A
B
A
A
B
Fig. 26 G71 cutting
Fig. 26 d
Fig. 26 c
Fig. 26 a
Fig. 26 b
Note 1:
There are four kinds of cutting shape with G71, which accords that the tool
traverse
s in
parallel with Z as Fig. 26.
Note 2:
Only G01, G02, G03 are used in blocks from A to B, the dimension must be only
increased or reduced only.
Note 3:
Cannot call the subprogram in the block from A to B.
Note 4:
The tool stops at the end point of the last block in the final tool path after the cycle ends.
Note 5:
The starting point of tool must be out of the rectangle formed by the final path, and the
tool is traversed to the starting point of final path by programming.
Note 6:
The cutting command must be followed to G71.
Note 7:
I, K in the command have the sign (+/-), and the directions of cutting feed and tool
retraction are determined automatically by the system.
5 0
2 0
2 5
2 0
3 0
1 0
8 0
Fig. 27 G71 cutting
Cutting as Fig.: rod
Φ
82
，
cutting feed = 4 mm once, retracting= 2.5 mm once, F= 60mm/min
N0000 G00 X115 Z155
；
position to the starting point
N0010 M3 S02
；
start the spindle, set to the high speed
N0020 M8
；
Cooling ON
