Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual download pdf (Page 155)

HEIDENHAIN TNC 320 155

4.2 Available Cycles

Measuring cycle for measuring a tool during rotation

The TNC determines the longest tooth of a rotating tool by positioning

the tool to be measured at an offset to the center of the touch probe

system and then moving it toward the measuring surface until it

contacts the surface. The offset is programmed in the tool table under

Tool offset: Radius (R-OFFS).

Measuring cycle for measuring a tool during standstill (e.g. for

drills)

The TNC positions the tool to be measured over the center of the

measuring surface. It then moves the non-rotating tool toward the

measuring surface of the TT until it touches the surface. To activate

this function, enter zero for the Tool offset: Radius (R-OFFS) in the tool

table.

Measuring cycle for measuring individual teeth

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 tool to the

upper edge of the touch probe head is defined in offsetToolAxis. You

can enter an additional offset with Tool offset: Length (L-OFFS) in the

tool table. The TNC probes the tool radially during rotation to

determine the starting angle for measuring the individual teeth. It then

measures the length of each tooth by changing the corresponding

angle of spindle orientation. To activate this function, program TCH

PROBE 31 = 1 for CUTTER MEASUREMENT.

You can run an individual tooth measurement of tools with

up to 20 teeth.

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Heidenhain TNC 320 (340 55x-03) Touch Probe Cycles User Manual Page 155