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Calling tool data, 2 t o ol d a ta – HEIDENHAIN TNC 410 ISO Programming User Manual

Page 135

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HEIDENHAIN TNC 410, TNC 426, TNC 430

109

5.2 T

o

ol D

a

ta

Calling tool data

A tool call in the machining program is triggered with the function T:

U

U

U

U

Tool number

: Enter the number of the tool. The tool

must already be defined in a G99 block or in the tool
table.
For the TNC 430, TNC 430:
To call a tool by the tool name, enter the name in
quotation marks. The tool name always refers to the
entry in the active tool table TOOL .T. If you wish to
call a tool with other compensation values, enter also
the index you defined in the tool table after the
decimal point.

U

U

U

U

Tool length oversize DL:

Enter the delta value for

the tool length.

U

U

U

U

Tool radius oversize DR:

Enter the delta value for

the tool radius.

In a tool call, you can also program the spindle axis and feed rate, as
required:

U

U

U

U

Select spindle axis, e.g. Z axis

U

U

U

U

Select rotational speed and end the block with the

END key

Example: Tool call

Call tool number 5 in the tool axis Z with a spindle speed 2500 rpm.
The tool length is to be programmed with an oversize of 0.2 mm, the
tool radius with an undersize of 1 mm.

The character D preceding L and R designates delta values.

Tool preselection with tool tables

When you use tool tables, enter a G51 block to preselect the next tool
to be selected. Simply enter the tool number or a corresponding Q
parameter, or type the tool name in quotation marks (not TNC 410).

N20 T 5.2 G17 S2500 DL+0.2 DR-1

1

17

2500