Delta Tau GEO BRICK LV User Manual
Turbo PMAC User Manual
300
Writing and Executing Motion Programs
Programmed
Path
Tool Center
Path
Short
Arc
Executed
Compensated
Circle
“Skipped”
Programmed
Full Circle
1
1
2
3
2
Failure When Compensation Extends Full Circle
r
r
r
Speed of Compensated Moves
Tool center speed for the compensated path remains the same as that programmed by the F parameter.
On an arc move, this means that the tool edge speed (the part of the tool in contact with the part) will be
different from that programmed by the fraction R
On an arc move, this means that the tool edge speed (the part of the tool in contact with the part) will be
different from that programmed by the fraction R
tool
/R
arc
.
Changes in Compensation
Turbo PMAC permits changes both to the radius of compensation and the direction of compensation
while the compensation is active. It is important to understand exactly how Turbo PMAC changes the
compensated path in these cases.
while the compensation is active. It is important to understand exactly how Turbo PMAC changes the
compensated path in these cases.
Radius Magnitude Changes
Changes in the magnitude of compensation (new CCR values) made while compensation is active are
introduced linearly over the next move. When this change is introduced over the course of a LINEAR-mode
move, the compensated tool path will be at a diagonal to the programmed move path. When this change is
introduced over the course of a CIRCLE-mode move, the compensated tool path will be a spiral.
introduced linearly over the next move. When this change is introduced over the course of a LINEAR-mode
move, the compensated tool path will be at a diagonal to the programmed move path. When this change is
introduced over the course of a CIRCLE-mode move, the compensated tool path will be a spiral.
Compensation Direction Changes
Changes in the direction of compensation (between CC1 and CC2) made during compensation are
generally introduced at the boundary between the two moves.
generally introduced at the boundary between the two moves.
Line
Line
Programmed
Path
Tool Center
Path
Line to Line
Line
Line
Line
Programmed
Path
Tool Center
Path
Line
Arc
Arc
Line to Arc
Arc
Arc
Programmed
Path
Line
Tool Center
Path
Arc to Line
Line
Programmed
Path
Tool Center
Path
Arc
Arc
Arc
Arc
Arc to Arc
Cutter Compensation Change of Direction
CC2
CC1
CC2
CC1
CC2
CC1
CC1
CC2