Siemens SINUMERIK 840D sl Function Manual page 1862

Detailed Description
2.4 Tool radius compensation 2D (TRC)
2.4.5 Deselecting the TRC (G40)
G40 instruction
TRC is deselected with the G40 instruction.
Special points to be noted
• TRC can only be deselected in a program block with G0 (rapid traverse) or G1 (linear
• If D0 is programmed when tool radius compensation is active, compensation is not
• If a geometry axis is programmed in the block with the tool radius compensation
2.4.6 Compensation at outside corners
G450/G451
The G functions G450/G451 can be used to control the response with discontinuous block
transitions at outside corners:
Command
G450
G451
Figure 2-27
74
interpolation).
deselected and error message 10750 is output.
deselection, then the compensation is deselected even if it is not on the current plane.
Significance
Discontinuous block transitions with transition circle
Discontinuous block transitions with intersection of equidistant paths
Example of a 90 degree outside corner with G450 and G451
Basic logic functions: Tool Offset (W1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0