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6 w o rkpiece set u p – HEIDENHAIN TNC 620 (340 56x-02) User Manual

Page 54

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54

First Steps with the TNC 620

1

.6 W

o

rkpiece Set

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p

Workpiece alignment with 3-D touch probe
(software option: Touch probe function)

U

Insert the 3-D touch probe: In the Manual Data Input (MDI) operating
mode, run a TOOL CALL block containing the tool axis, and then return
to the Manual Operation mode (in MDI mode you can run an
individual NC block independently of the others)

U

Select the probing functions: The TNC displays the

available functions in the soft-key row

U

Measure the basic rotation: The NC displays the basic

rotation menu. To identify the basic rotation, probe
two points on a straight surface of the workpiece

U

Use the axis-direction keys to pre-position the touch

probe to a position near the first contact point

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Select the probing direction via soft key

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Press NC start: The touch probe moves in the defined

direction until it contacts the workpiece and then
automatically returns to its starting point

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Use the axis-direction keys to pre-position the touch

probe to a position near the second contact point

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Press NC start: The touch probe moves in the defined

direction until it contacts the workpiece and then
automatically returns to its starting point

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Then the TNC shows the measured basic rotation

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Press SET BASIC ROTATION soft key to select the

displayed value as the active rotation. Press the END
soft key to exit the menu

Further information on this topic

„

MDI operating mode:See “Programming and Executing Simple
Machining Operations” on page 400

„

Workpiece alignment: See “Compensating Workpiece
Misalignment with 3-D Touch Probe (Touch Probe Function
Software Option)” on page 385