GSK 988T, Руководство пользователя

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GSK988T Turning CNC System User Manual
88
Ⅰ
Programming
cutting with sign symbols and its value range is referred to the following
table.
The system defaults the axial(Z) tool retraction is 0 when R
（
Δ d
）和
Q
（
Δ k
）
are omitted.
The system defaults to be the negative tool retraction when Z(W) is
omitted.
Fig. 2-52 G75 path
Execution process: as Fig. 2-52
①
Radial (X) cutting feed
△
i from the starting point A
n
of radial cutting cycle, feed in
X negative direction when the coordinates of cutting end point is less than that of
starting point in X direction, otherwise, feed in X positive direction;
②
Radial(X) rapid tool retraction e and its direction is opposite to the feed direction of
① ;
③
X executes the cutting feed ( Δ k+e) again, the end point of cutting feed is still in it
between starting point A
n
of radial cutting cycle and end point of radial tool infeed,
Address Incremental
system
Metric （ mm ） input
Inch (inch) input
ISB system 0~99999999
（
unit:0.001mm
）
0~99999999
（
unit:0.0001inch
）
P
（
Δ i
）
Q （ Δ k ） ISC system 0~99999999
（
unit:0.0001mm
）
0~99999999
（
unit:0.00001inch
）
ISB system 0
～
99999.999mm 0
～
9999.9999 inch R
（
e
）
R
（
Δ d
）
ISC system 0
～
9999.9999 mm 0
～
999.99999 inch