Abstract
There are two basic types of EPB shield cutter: panel type and spoke type. The efficiency and process of the driving work will be directly related to the chose of the cutter type. Torque model of the shield cutter can be established by analyzing the load under working conditions. Methods to analyze the efficiency of two different types of cutters under working conditions can be explored, through analysis with specific examples of projects in this paper. Thus, theoretical basis can be provided for analyzing and studying the efficiency of shield cutter.
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