2.4 Coordinate transformation
2.4.1 Work offset G53, G54~G59, G500, G501
Fig.2.3 G54-59 work offset
1. G54:1st settable work offset
2. G55:2nd settable work offset
3. G56:3rd settable work offset
4. G57:4th settable work offset
5. G58:5th settable work offset
6. G59:6th settable work offset
7. G53:Settable work offset OFF
8. G500:additional work offset OFF-modal
9. G501:additional work offset
Fig.2.4 G500/G501 additional work offset
G501 is new coordinate generated by offsetting the G53~G59 coordinate(Coordinate A as shown Fig.2.4), it can be cleared by G500.
G54 sets the 1st settable work offset, relative to the origin of the coordinate machine.
Note
1. The value of settable work offsetand additional work offset is radius dimension.
2. The settable work offset specifies the position of the workpiece zero point on the machine (offset of the workpiece zero point with respect to the machine zero point). This offset is determined upon clamping of the workpiece into the machine and must be entered in the corresponding data field by the operator. The value is activated by the program by selection from six possible groupings: G54 to G59.
2.4.2 MIRROR
By using MIRROR, you can mirror the shape of workpiece by axis. The lathe generally mirror by the X axis, as shown in Fig.2.5.
Fig.2.5 mirror
Instruction format:
MIRROR X0 ; mirror by the X axis
Explanation:
1. Mirror can be canceled by G500.
2. Please pay attention to confirm that the current tool cutting edge setting is correctly when using the mirror command.
Example:
N10 T1D1 S600 M04
N20 G00 G90 X-60 Z80
N30 MIRROR X0
N40 CYCLE97(9, 0, 0, -50, 42, 42, 3, 2, 2.92, 0, 30, 0, 5, 2, 3, 1, 0, 0)
N50 G00 X60 Z80
N60 M02