beautypg.com

Calling tool data, 2 t ool d a ta – HEIDENHAIN TNC 620 (340 56x-02) User Manual

Page 147

background image

HEIDENHAIN TNC 620

147

5.2 T

ool D

a

ta

Calling tool data

A TOOL CALL block in the part program is defined with the following
data:

U

Select the tool call function with the TOOL CALL key

U

Tool number:

Enter the number or name of the tool.

The tool must already be defined in a TOLL DEF block
or in the tool table. Press the TOOL NAME soft key to
enter the name. The TNC automatically places the
tool 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, also enter the index you defined in the tool
table after the decimal point. There is a SELECT soft
key for calling a window from which you can select a
tool defined in the tool table TOOL.T directly without
having to enter the number or name.

U

Working spindle axis X/Y/Z:

Enter the tool axis

U

Spindle speed S:

Enter the spindle speed in rpm

Alternatively, you can define the cutting speed Vc in
m/min. Press the VC soft key

U

Feed rate F

: F [mm/min or 0.1 inch/min] is effective

until you program a new feed rate in a positioning or
TOOL CALL

block.

U

Tool length oversize DL:

Enter the delta value for

the tool length

U

Tool radius oversize DR:

Enter the delta value for

the tool radius

U

Tool radius oversize DR2:

Enter the delta value for

the tool radius 2

Example: Tool call

Call tool number 5 in the tool axis Z with a spindle speed of 2500 rpm
and a feed rate of 350 mm/min. The tool length is to be programmed
with an oversize of 0.2 mm, the tool radius 2 with an oversize of
0.05 mm, and the tool radius with an undersize of 1 mm.

The character D preceding L and R designates a delta value.

Tool preselection with tool tables

If you are working with tool tables, use TOOL DEF to preselect the next
tool. Simply enter the tool number or a corresponding Q parameter, or
type the tool name in quotation marks.

20 TOOL CALL 5.2 Z S2500 F350 DL+0.2 DR-1 DR2+0.05