Hurco winmax, Programming Manual, Page: 163 / 254

WinMax Lathe NC Programming
704-0115-307
ISNC G Codes
4-49
G71 - Stock Removal in Turning
G71 removes stock in a turning move.
Modal—No
F, S, and T functions specified in Profile blocks using G71 - Stock Removal in Turning, G72
- Stock Removal in Facing, and G73 - Pattern Repeating are ignored until a G70 is active.
G71 allows Linear and Circular interpolation.
Sign of U and W
The sign of the U and W parameters determines the stock removed from point B to C, as
shown below:
Figure 4–18. Sign of U and W determines stock removal
Format
G71 U ____ R ____
G71 P ____ Q ____ U ____ W ____ F ____ S ____ T ____
Parameters
• U—depth of cut (U/2 specified as diameter)
• R—retract distance (retracts at 45
°
angle)
• P—first sequence number of Profile
• Q—last sequence number of Profile
• U—second line with U is X stock finish (or finish tolerance)
• W—Z stock finish (or finish tolerance)
• F—cutting feedrate for roughing
• S—roughing speed
• T—tool with offset xxxx