Heidenhain CNC Pilot 4290 V7.1 Description of B and Y axes User Manual download pdf (Page 17)

HEIDENHAIN CNC PILOT 4290 17

1.2 Manual Control and Automatic Modes

Tilting the B axis in manual control mode

You can either use the tool change call for positioning the B axis or you

can tilt the axis manually with the handwheel or PLC keys.

Tool change call: When you call the tool change function, the entries

default to the current values. Specify the required B axis angle and

activate the function.

Manual tilting: The B axis is tilted by using the handwheel. You can

also move the B axis with the PLC keys if your control has been

specially prepared for this functionality by the machine tool builder.

Your machine manual provides more detailed information.

When you tilt the B axis manually, the new B axis angle is taken into

account, but a change in the tool orientation is not recognized. The

control therefore marks the actual position displays for X and Z invalid

(gray digits). In the next tool call, the CNC PILOT newly calculates the

position of the tool tip and marks the position displays for X and Z valid.

Please note that the position displays for X and Z (machine

display) will display invalid values as soon as the B axis is

tilted manually. The CNC PILOT indicates this by

displaying the position values in gray.

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Heidenhain CNC Pilot 4290 V7.1 Description of B and Y axes User Manual Page 17