Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 509

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Dresser/Wheel Radius Compensation
Chapter 15
15-21
Example 15.4
Type A Sample Exit Moves
Assume the current plane is the ZX plane and dresser/ wheel radius
compensation is already active before the execution of block N100 in the
following program segments.
N100X1.Z1.;
N110X3.Z3.G40; Exitmove.
N100X1.Z1.;
N110G40;
N120X3.Z3.;
Exit move.
N100X1.Z1.;
N110G40;
N120;
No axismotion in thecurrentplane.
N130...; No axismotion in thecurrentplane.
N140...; No axismotion in thecurrentplane.
N200X3.Z3.; Exitmove.
N100X1.Z1.;
N110...;
No axismotion in thecurrentplane.
N120...; No axismotion in thecurrentplane.
N130...; No axismotion in thecurrentplane.
N200G40X3.Z3.; Exitmove.
All of the program blocks in Example 15.4 produce the same exit move,
provided the number of non-motion blocks in the compensation mode has
not exceeded a value selected by your system installer in AMP.
The exit of the dresser/wheel for type A radius compensation takes the
shortest possible path to the endpoint of the exit move. This path starts at
right angles to the left or right of the endpoint (depending on G41 or G42)
of the last move in the currently defined plane (you can redefine this
start-point using an I and/or K word as described on page 15-24). The
end-point of the exit move is no longer offset to the left or right.
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