5. Coordinate System
67
5.9
5.9
5.9
5.9 Inch/Metric
Inch/Metric
Inch/Metric
Inch/Metric Conversion
Conversion
Conversion
Conversion (G20,
(G20,
(G20,
(G20, G21)
G21)
G21)
G21)
Programming
Programming
Programming
Programming
G20
G21
Explanation
Explanation
Explanation
Explanation of
of
of
of the
the
the
the parameters
parameters
parameters
parameters
G20: Inch input
G21: Metric input
The units of linear axis and circular axis are shown in the following table
Table 5 1
. Unit of Linear axis and Circular axis
Linear axis
Circular axis
Inch system (G20)
Inch
Degree
Metric system (G21)
Mm
Degree
Function
Function
Function
Function
Depending on the part drawing, the workpiece geometries can be programmed in metric
measures or inches.
Содержание HNC-18iT
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