HEIDENHAIN TNC 640 (34059x-05) ISO programming - Manual (Page 185)

Tool data 5.2
5
TNC 640 | User's ManualDIN/ISO Programming | 1/2015
185
Example: Tool call
Call tool number 5 in the tool axis Z with a spindle speed 2500 rpm
and a feed rate of 350 mm/min. The tool length and tool radius 2
are to be programmed with an oversize of 0.2 and 0.05 mm, the
tool radius with an undersize of 1 mm.
N20 T 5.2 G17 S2500 DL+0.2 DR-1
The character D preceding L, R and R2 designates delta values.
Preselection of tools
The preselection of tools with G51 can vary
depending on the individual machine tool. Refer to
your machine manual.
If you are working with tool tables, use a G51 block to preselect
the next tool. Simply enter the tool number or a corresponding Q
parameter, or type the tool name in quotation marks.