Manual

Tool Tip Radius Compensation (TTRC)
Function
Chapter 21
21-22
If the next programmed move is circular (an arc), position the tool at right
angles to a tangent line drawn from the start-point of that circular move.
Figure 21.18
Tool Path for Entry Move StraightLine-to-Arc
0 £ q £90
90 £ q£ 180
Programmed path
G41
G42
Start-point
Start-point
Programmed path
G42 G41
180 £ q £270
270 £ q£ 360
Start-point
Start-point
Programmed
Path
G42 G41
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q
q
q
Programmed path
G41
G42
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G39 (LinearGenerated Blocks)
G39 (LinearGenerated Blocks)
G39.1 (Circular Generated Block)
0 £ q £90
Programmed path
G41
G42
Start-point
q
r
r
r
G39.1 (Circular Generated Block)
270 £ q £360
Start-point
q
Programmed path
G41
G42
r
r
r