Bidirectional Pitch Error Compensation; Outline - Mitsubishi Electric M800VW Series Connection And Set Up Manual

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M800VW/M80VW Series Connection and Setup Manual

28 Setting the Machine Error Compensation

28.2 Bidirectional Pitch Error Compensation

Compensation amounts can be set respectively for the movement in positive and negative directions, and compensation can

be made for each direction. This method will reduce the difference between the path in the positive direction and path in the

negative direction.

You can set the compensation amount for each division point obtained by equally dividing the machine coordinates based on

the reference position. (See the figure below.)

The compensation amount can be set by either the absolute or incremental amount method. Select the method with "#4000

Machine position between division points "n" and "n+1" is smoothly compensated by the linear approximation of the

compensation amount.

Actual machine position

without compensation

(When moving in the forward

Compensation

amount in the

positive direction

Compensation

amount in the

negative direction

Relationship between the compensation amount and machine position

Compensation amount

between two division points

Ideal machine position

Actual machine position without

compensation

(When moving in the negative direction)

: Division point

machine position

machine position

machine position

IB-1501612-C