B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
A Measuring Device Byusing Mechanical Method
(AREA)
Transformation or rotary movement to linear movement - uses threaded shaft to displace nut linearly and has transformers or capacitive detectors to measure nut movement