Mitsubishi Electric M800VS Series - Memory-Type Pitch Error Compensation;Memory-Type Relative Position Error Compensation; Outline

M800VS/M80V Series Connection and Setup Manual
24 Setting the Machine Error Compensation
24.1 Memory-type Pitch Error Compensation/Memory-type Relative Position Error Compensation
480
IB-1501613-A
24.1 Memory-type Pitch Error Compensation/Memory-type Relative
Position Error Compensation
24.1.1 Outline
According to the specified parameters, this method compensates an axis feed error caused by a ball screw pitch error, etc.
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
Pinc".
Machine position between division points "n" and "n+1" is smoothly compensated by the linear approximation of the
compensation amount.
Memory-type pitch error compensation
▲
nn+1
▲
▲
▲
▲
▲
n+2
▲
Actual machine position
Ideal machine
position
Actual machine position
without compensation
Commanded machine
position
Reference position
Compensation
amount
between two
division points
Commanded machine
position
Compensation
amount
: Division point
Relationship between the compensation amount and machine position