GSK GSK988TA, Manual

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GSK988TA/GSK988TA1/GSK988TB Turning Center CNC System User Manual 【 Programming & Operation 】
156
Ⅰ
Programming
The absolute position and relative position is expressed by the programmed cartesian coordinate
system, and the machine position is expressed by the actual movement’s machine coordinates
according to the slant axis.
● Feedrate of each axis
When Y is a slant axis and X is a quadrature axis, to get the tangent direction’s speed Fp, the
controlled axis’ feedrate is shown below:
Y’s actual speed:
θ cos
Fp
Fay
=
Fa: actual speed
，
Fp: programmed speed
X’s actual speed:
θ tan
× − =
Fp Fp Fax
● Position coordinate display
The absolute position display and relative position display: is expressed by the programmed
Cartesian coordinate system.
Machine position display: is expressed by the actual movement’s machine coordinates according
to the slant axis.
● Usage
The slant axis and quadrature axis used to control a slant are set in No.8211 and No.8212 in
advance. But, when some parameter is set to 0, it is set to the same serial number or beyond the
controlled axis quantity, selecting a slant axis and a quadrature axis is shown in the following table.
Slant axis
3 reference axes’ X （ the axis of No.1022 is set to 1 ）
Quadrature axis 3 reference axes’ Z
（
the axis of No.1022 is set to 3
）
1
）
AAC
（
No.8200#0
）
makes the slant axis control valid/invalid. When it is valid, the system
executes the control according to the slant angel parameter
（
NO.8210
）
.
2
）
When the manual reference point return operation along the slant axis is executed, AZR
（
No.8200#2
）
selects whether to make the quadrature axis move by the slant axis.
3
）
Setting the invalid control signal NOZAGC
（
G63.5
）
of quadrature axis’ slant axis to “1” makes
the slant axis control function is valid to only the slant axis. At the moment, the slant axis’
movement code can be transformed into slant coordinates, but the quadrature axis is not
influenced by a slant axis’ movement code. The signal is used when each axis individually
moves.
2.29 G Code System B
GSK988TA/B has two set of G code, including G code system A and G cod system B. The
previous described G codes use G code system A. Here, introduce their differences between
programs and uses.
2.29.1 Differences of G Codes
2 set of G code system are referred to Table 2-23, Section 2.26.1. Their differences are
described in Table 2-23.
Table 2-23
G codes
A B
Group Function Classification
G50 G92 00 Workpiece coordinate system Non mode