HEIDENHAIN iTNC 530 (340 49x-03) Pilot - Manual (Page 12)

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Defining Tools
Tool data
Each tool is identified by a tool number between 0 and 254. If you are
working with tool tables, you can use higher numbers and you can also
enter a tool name for each tool.
Entering tool data
You can enter the tool data (length L and radius R)
„ in a tool table (centrally, Program TOOL.T)
or
„ within the part program in TOOL DEF blocks (locally)
8 Tool number
8 Tool length L
8 Tool radius R
8 Program the tool length as the length difference L0 to the zero tool:
„ L>L0: The tool is longer than the zero tool
„ L<L0: The tool is shorter than the zero tool
8 With a tool presetter you can measure the actual tool length, then
program that length.
Z
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0