378 Programming: Special Functions
11.8 Working with Cutting Data Tables
Working with automatic speed / feed rate
calculation
1 If it has not already been entered, enter the type of workpiece
material in the file WMAT.TAB.
2 If it has not already been entered, enter the type of cutting material
in the file TMAT.TAB.
3 If not already entered, enter all of the required tool-specific data in
the tool table:
îš„ Tool radius
îš„ Number of teeth
îš„ Tool type
îš„ Tool material
îš„ The cutting data table for each tool
4 If not already entered, enter the cutting data in any cutting data
table (CDT file).
5 Test Run operating mode: Activate the tool table from which the
TNC is to take the tool-specific data (status S).
6 In the NC program, set the workpiece material by pressing the
WMAT soft key.
7 In the NC program, let the T block automatically calculate the
spindle speed and feed rate via soft key.
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