GSK980MDc Milling CNC System User Manual
64
I Programming
system of all workpiece coordinate systems of the specified axis is cancelled. If the coordinate values
of the axes not all specified, the local coordinate systems of the unspecified axes are not cancelled,
that is, keep unchanged.
z Command G52 can not be specified at the same block with the length compensation command,
otherwise, alarm occurs. Cancel the offset of the tool radius compensation temporarily when the G52
command is being specified.
z After block G52, specify travel command immediately by absolute value mode.
Related parameters
0 5 4 2 RLC MRC ZCL
RLC = 1：Local coordinate system is cancelled after reset
RLC = 0：Local coordinate system is not cancelled after reset
MRC = 1：Local coordinate system is cancelled after the execution of M02, M30
MRC = 0：Local coordinate system is not cancelled after the execution of M02, M30
ZCL = 1：Local coordinate system is cancelled after returning to the reference point
ZCL = 0：Local coordinate system is not cancelled after returning to the reference point
3.20 Select Machine Coordinate System G53
A specific point that serves as the reference point is referred to the machine zero point. The coordinate
system with a machine zero point set as its origin is referred to a machine coordinate system. A machine
coordinate system is set by performing manual reference position return after power on. Once the machine
coordinate system is set, it remains unchanged until the power is turned off.
Format：（G90）G53 IP_；
Explanations: IP_：Tool travel amount is specified by absolute value.
When a position on a machine coordinate system is specified, the tool moves to the position by rapid
traverse. G53, which is used to select a machine coordinate system, is a non-modal G code. It is valid only
in the block that specifies the machine coordinate system. The absolute value specifies X, Y, Z. When the
tool moves to the specific position, for example: tool exchange position, travel program on the machine
coordinate system should be edited by G53.
Restrictions:
z Cancel of the compensation function
When the G53 command is specified, cancel the radius compensation. However, the parameter
NO.013 determines whether the tool length compensation is cancelled or not.
z G53 Specify G53 immediately after power on
Since the machine coordinate system must be set before the G53 command is specified, manual
reference position return or automatic reference position return by the G28 command must be performed
after the power on. Otherwise, P/S alarm occurs: G53 can not be performed before reference position
return.
z In the same block with other G commands
1. In the same block with group 03 (G90, G91)
G53, G90 and G91 are performed normally, and related modal is updated. The position command
specified by G53 is treated as absolute position.
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