GSK 988T, Руководство пользователя

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GSK988T Turning CNC System User Manual
50
Ⅰ
Programming
M30;
Fig. 2-18
2.12 Reference Position Function
2.12.1 Reference position return G28
Command function: move from the starting point at the rapid traverse speed to the middle
position specified by IP_ and then return to the reference position.
Command format: G28 IP__ ；
Command explanation: G28 is non-modal.
IP_: it is the middle point coordinates, is specified by the absolute
value and incremental value. Omit one or all command address
for each axis, omitting some axis means the axis does not return
to the reference position, omitting all means the middle point is
the tool starting point in the current workpiece coordinate system,
and the tool does not return to the reference position and keeps
stopping.
Command execution process: (as Fig. 2-18):
（
1
）
Rapidly position from the current position to the middle position of the command
axis(A → B);
（
2
）
Rapidly position from the middle point to the reference position (B → R);
Programming zero
Z measured position
Offset value
(Before measure)
Offset value
(After measure)
X measured position
Tool No.