Analysis and Calculation of Optimum TBM Disc Cutter SpacingChinese Full Text
Feng Huanhuan;Chen Kui;Zhou Jianjun;Li Fengyuan;Wang Zhufeng;State Key Laboratory of Shield Machine and Boring Technology;
Abstract: To further improve the rock-breaking performance of TBM cutters, it is particularly important to determine proper cutter spacing during the cutter design process. In this paper, based on a cutter spacing range derived from the rock crushing angle, an analysis of rock-breaking performance under double and triple cutters with different cutter spacings was carried out in accordance with the RFPA analytic system, and a calculation formula for optimum cutter spacing was deduced. Then, the self-developed comprehensive test platform was used to test rock-breaking performance during the sequential rolling of three cutters with different cutter spacings to verify the accuracy of this formula. The derived calculation formula for optimum cutter spacing was proven to be scientific by the test results, and the effective rock-breaking theory for cutters was further improved.
- DOI：
10.13807/j.cnki.mtt.2014.03.020
- Series：
- Subject：
- Classification Code：
U455.31
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