Programming manual.
CNC 8070
WORK PLANES.
4.
Select any work plane and longitudinal axis.
·77·
(REF: 1709)
4.3 Select any work plane and longitudinal axis.
The meaning of function G20 depends on the type of configuration of the machines axes;
"plane" type for lathe or "trihedron" type for lathe or mill.
• When the axis configuration is of trihedron type, function G20 allows defining any work
plane formed by the first three axes of the channel. To build a plane with other axes, first
include them in the main trihedron (instruction #SET AX).
• When the axis configuration is of plane type, the work plane is always G18 and function
G20 allows changing the longitudinal axis of the tool.
Programming.
When programming this instruction, you must define the new abscissa and ordinate axes
of the plane and the longitudinal axis of the tool. If the longitudinal axis coincides with one
of the axes of the plane, you must also define which axis is perpendicular to the plane.
Programming format.
The programming format is the following; the list of arguments appears between curly
brackets and the optional ones between angle brackets.
G20 X~C{axistype} X~C{axistype} X~C{axistype} <X~C{axistype}>
Values for setting the location of the axis in the plane.
The work plane is defined by selecting the abscissa and ordinate axes, the perpendicular
axis and the longitudinal axis of the tool. It is selected by assigning one of the following values
to the axes programmed with G20.
{axistype}
Value that sets the location of the axis in the plane.
Value. Type of axis within the work plane.
1 Abscissa axis.
2 Ordinate axis.
±3 Longitudinal axis of the tool. The sign indicates tool orientation.
4 Reserved.
5 Axis perpendicular to the work plane, only required when the longitudinal axis of the tool
is the same as the abscissa or ordinate axis. Otherwise, the longitudinal axis of the tool
will be the perpendicular axis.
G20 X1 Z2 Y3
The X axis is the abscissa axis.
The Z axis is the ordinate axis.
The Y axis is the longitudinal axis of the tool and the axis
perpendicular to the plane.
G20 X1 Y2 X3 Z5
The X axis is the abscissa axis and the longitudinal axis of the
tool.
The Y axis is the ordinate axis.
The Z axis is the axis perpendicular to the plane.
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