C70 Setup Manual
Appendix 1.15 Machine Error Compensation Function Outline
407
(2) Memorized relative position compensation
This method‚ according to the parameters specified in advance‚ compensates the relative position error
between two orthogonal axes caused by deflection of the moving stand.
For this‚ as shown in the following figure‚ specify the compensation amount in the compensation axis
direction in the division points obtained by equally dividing the machine coordinates of the base axis.
The section between division points n and n+1 is compensated smoothly by linear approximation.
The base axis is one of the two orthogonal axes to which relative position compensation applies. This
axis is used as the criterion for relative-error measurement. The compensation axis is the coordinate axis
that is orthogonal to the base axis. The compensation is actually made for this coordinate axis.
n
n+
1
n+
2
▲
▲
▲
▼
▼
▼
▲
Fig. 1.2 Relationship between the compensation amount and machine position
Reference position
Actual machine position
of compensation axis
Compensation
amount
Compensation amount
between division points
Command machine position
Actual machine position for
which no compensation
has been made
Command machine
position along base axis
: Division point
Содержание C70
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Страница 106: ...89 5 Connecting and Setting up Multiple CNC CPU Modules ...
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Страница 116: ...99 6 Setting Machine Parameters ...
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Страница 170: ...153 10 Data Backup and Restoration ...
Страница 184: ...167 Appendix 1 Explanation of Parameters ...
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