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Data required for the tool table, 14 w o rk ing with cut ting data tables – HEIDENHAIN iTNC 530 (60642x-03) User Manual

Page 466

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466

Programming: Special functions

1

1

.14 W

o

rk

ing with cut

ting data tables

Creating a new cutting data table

Select the Programming and Editing mode of operation

Select the file manager: Press the PGM MGT key

Select the directory where the cutting data table is to be stored

Enter any file name with the file name extension .CDT, and confirm
with ENT

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

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

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 184).