Angle monitoring length measurement monitoring systems - adjusts scale carrier, checks effect on measurement and compares with standard value

摘要

The monitoring of length or angle measurement systems involves generating signals in an evaluation device at measurement times and from count signals arising from the relative motion of a sensing device (5) and scale carrier (1). With the measurement part stationary the scale carrier is moved between stable positions in the scale direction (9) and the sign-related displacement (14) measured and compared with a standard value. The comparison result can be used for error indication or adjustment. USE/ADVANTAGE - For monitoring high resolution measurement systems on machines with mutually relatively movable elements (4,6) stationary using arrangement.