HEIDENHAIN iTNC 530 377
11.8 Working with Cutting Data Tables
Creating a new cutting data table
U Select the Programming and Editing mode of operation
U Select the file manager: Press the PGM MGT key
U Select the directory where the cutting data table is to be stored
U Enter any file name with the file name extension .CDT, and confirm
with ENT
U On the right half of the screen, the TNC opens a standard cutting
data table or displays various table formats (machine-dependent).
These tables differ from each other in the number of cutting
speed/feed rate combinations they allow. In this case use the arrow
keys to move the highlight onto the table format you wish to select
and confirm with ENT. The TNC generates a new, empty cutting
data table
Data required for the tool table
 Tool radius—column R (DR)
 Number of teeth (only with tools for milling)—column CUT
 Tool type—column TYPE
îš„ The tool type influences the calculation of the feed rate:
Milling tool: F = S · f
Z
· z
All other tools: F = S · f
U
S: Spindle speed
f
Z
: Feed per tooth
f
U
: Feed per revolution
z: Number of teeth
 Tool cutting material—column TMAT
 Name of the cutting data table for which this tool will be used—
column CDT
îš„ In the tool table, select the tool type, tool cutting material and the
name of the cutting data table via soft key (see "Tool table: Tool data
for automatic speed/feed rate calculation", page 163).
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