HEIDENHAIN TNC 620 (73498x-01) ISO programming - Manual (Page 155)

HEIDENHAIN TNC 620 155
5.2 T
ool data
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 G99 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
T
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 G51 to preselect the next tool.
Simply enter the tool number or a corresponding Q parameter, or type
the tool name in quotation marks.
N20 T 5.2 G17 S2500 DL+0.2 DR-1