Owner's manual

Cutter Diameter Compensation
(G40, G41, G42)
Chapter 21
21-22
If the next programmed move is circular (an arc), the tool is positioned at
right angles to a tangent line drawn from the start-point of that circular
move.
Figure 21.19
Tool Path For Entry Move Straight Line-to-Arc
0 •••90
90
•••180
Programmed path
G41
G42
Start-point
Start-point
Programmed path
G42 G41
180 •••270
270
•••360
Start-point
Start-point
Programmed
Path
G42 G41
•
•
•
•
Programmed path
G41
G42
r
r
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r
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r
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r
r
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r
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G39 (Linear Generated Blocks)
G39 (Linear Generated Blocks)
G39.1 (CircularGenerated Block)
0 •••90
Programmed path
G41
G42
Start-point
•
r
r
r
G39.1 (CircularGenerated Block)
270 •••360
Start-point
•
Programmed path
G41
G42
r
r
r