Sheave Installation and maintenance: the derrick when mounting shaft 1000 fixed sheave manufacturers, the level of error should not exceed 0.001mm 1000 fixed sheave, the need to install anchor bolts, nuts and washers 1000 fixed sheave plant by derrick design supply, anchor bolts M27 specifications for sales of 1,000 fixed sheave, highly exposed in the days of round platform for 10mm. Sheave is Mine Shaft Derrick Top adjust the direction of movement of the fixed pulley rope. Tianlun test: Check sheave and parts geometry meets the requirements. Radial runout and face measurement dial gauge, ruler and marking tape sheave rope grooves runout. NDT inspection day axle. Manually rotate the wheel, should be flexible rotation, no abnormal noise.