W1: Tool offset
18.6 Toolholder with orientation capability
Basic Functions
1508 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Example:
The parameter $TC_CARR5 is assigned to the fine offset $TC_CARR45.
Activation
The following setting adds the fine offset values to the basic values:
SD42974 $SC_TOCARR_FINE_CORRECTION = 1 (fine offset TCARR on/off)
Supplementary conditions
The amount is limited to the permissible fine offset.
The maximum permissible value is defined:
An illegal fine offset value is only detected when:
• A toolholder with orientation capability, which contains such a value, is activated
and
• at the same time the following setting data is set:
SD42974 $SC_TOCARR_FINE_CORRECTION
Description of a rotation
A data block for describing a rotation comprises one vector v
1
/v
2
to describe the direction of rotation of the rotary
axis in its initial state and an angle α1/α2. The angle of rotation is counted positively for clockwise rotation facing
the direction of the rotation vector.
The two toolholder angles α1 and α2 are determined using a frame, independent of the active plane currently
selected (G17 - G19).
The tool orientation in the initial state (both angles α1 and α2 are zero) is (as in the default case):
• G17: Parallel to Z
• G18: Parallel to Y
•for G19: Parallel to X
Note
For the significance of the system variables $TC_CARR41 to $TC_CARR65 available for the
fine offset see:
References:
/PGA/ Programming Manual Work Preparation; Tool Compensations
For: With machine data:
• The components of vectors l
1
to l
4
: MD20188 $MC_TOCARR_FINE_LIM_LIN
• The offsets of the two rotary axes v
1
and v
2
: MD20190 $MC_TOCARR_FINE_LIM_ROT
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