Study And Development Of Measuring Instrument For Bolster

measuring instrument for bolster uses the resistance strain type dynamic measuring installation. Itcan measure the concentricity of bolster and accurately by the electric measuring method for nonelectric quantity and through computer control, data acquisition, the output .With this tester ,automatic measuring can be made reality and the testercan be operated in line conveniently. Comparing with the conventional manual plug gauge , this tester can improve themeasuring accuracy and work out a difficult problemfor the factory. It can also improve manufacturing precision ,lifetime ,working condition of spindle.