Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual download pdf (Page 157)

HEIDENHAIN TNC 320 157

4.2 Available Cycles

Measuring the tool radius (touch probe cycle 32

or 482, ISO: G482)

To measure the tool radius, program the cycle TCH PROBE 32 or TCH

PROBE 482 (see also “Differences between Cycles 31 to 33 and

Cycles 481 to 483” on page 152). Via input parameters you can

measure the radius of a tool by two methods:

 Measuring the tool while it is rotating.

 Measuring the tool while it is rotating and subsequently measuring

the individual teeth.

Measuring cycle

The TNC pre-positions the tool to be measured to a position at the side

of the touch probe head. The distance from the tip of the milling tool

to the upper edge of the touch probe head is defined in

offsetToolAxis. The TNC probes the tool radially while it is rotating. If

you have programmed a subsequent measurement of individual teeth,

the TNC measures the radius of each tooth with the aid of oriented

spindle stops.

Before measuring a tool for the first time, enter the

following data on the tool into the tool table TOOL.T: the

approximate radius, the approximate length, the number

of teeth, and the cutting direction.

Cylindrical tools with diamond surfaces can be measured

with stationary spindle. To do so, define the number of

teeth (CUT) with 0 in the tool table and adjust the machine

parameter CfgToolMeasurement. Refer to your machine

manual.

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Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual Page 157