Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual download pdf (Page 154)

154

4.2 Available Cycles

Measuring the tool length (touch probe cycle 31

or 481, DIN/ISO: G481)

To measure the tool length, program the measuring cycle TCH PROBE

31 or TCH PROBE 480 (see also “Differences between Cycles 31 to

33 and Cycles 481 to 483” on page 152). Depending on the input

parameters, you can measure the length of a tool by three methods:

 If the tool diameter is larger than the diameter of the measuring

surface of the TT, you can measure the tool while it is rotating.

 If the tool diameter is smaller than the diameter of the measuring

surface of the TT, or if you are measuring the length of a drill or

spherical cutter, you can measure the tool while it is at standstill.

 If the tool diameter is larger than the diameter of the measuring

surface of the TT, you can measure the individual teeth of the tool

while it is at standstill.

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.

1 2 ... 149 150 151 152 153 154 155 156 157 158 159 ... 164 165

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Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual Page 154