Analysis and Calculation of Working Blind Zone of Polar Crane
This article analyzes in detail the causes of working blind zone of the polar crane in nuclear power plant and discusses the calculation method for the working blind zone from various influencing factors such as manufacturing tolerances,deviations in the operation of crane and trolley,tolerances in the manufacturing and laying of circular rails,and tolerances and deformations in the construction of reactor buildings,which provides reference for the measures to eliminate the working blind zone of the polar crane in subsequent nuclear power plants.
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