Hurco winmax, Programming Manual, Page: 136 / 254

4 - 22 ISNC G Codes
704-0115-307
WinMax Lathe NC Programming
G20 - Inch Mode (default)
G20 sets Inch mode. Program this command in the first block of each part program that
uses inches for the dimension.
Default—Yes
Modal—Yes
Cancels—G21 - Millimeter Mode
Format
The default format for Inch mode for different types of blocks is shown in the table
below:
Table 4–5. Inch Mode formats
The default formats are defined as follows:
• 3.4 represents 3 places to the left of the decimal point and 4 places to the
right.
• 2.6 represents 2 places to the left of the decimal point and 6 places to the
right.
Unit Display Mode
G20 does not affect the Unit Display Mode as viewed in the position or offset screens. The
correct units are interpreted from the part program.
Blocks Default
Format
Range
Geometric Entries X, Z, I, K, R 3.4 -845.0000 to 845.0000
Feedrate (Feed/min) and (Feed/rev) F 3.4 000.0001 to 845.0000
Thread Lead (distance/rev) K 2.6 00.000001 to 10.000000