Geological Adaptability Design Method of Disc Cutter Ring

doi:10.3901/JME.2018.01.010

Abstract

Abstract: To improve the rock-breaking performance and service life of the disc cutter, a geological adaptability design method of structural parameters for the disc cutter ring is presented based on the design requirements and principles of the disc cutter ring. A multi objective optimization model of structural parameters for disc cutter ring is established by taking the rock-breaking ability, specific energy, loading of the bearing and wear performance of disc cutter as optimal objectives. The fuzzy analytic hierarchy process is applied to obtain the weights of the objective functions under different geological conditions, and the genetic algorithm is employed to solve the optimization model. A case application is offered to illustrate the proposed method. The results show that the structure of the cutter ring should be designed according to the specific geological conditions. By setting the weights of objective functions reasonably on the basis of the expert investigation approach and fuzzy analytic hierarchy process, the optimum design method of disc cutter ring is feasible to geological adaptability design and selection for disc cutter ring which can effectively improve rock-breaking performance and service life of the disc cutter.

Key words: design optimization, disc cutter ring, fuzzy analytical hierarchy process, genetic algorithm, tunnel boring machine

CLC Number:

U455

XIA Yimin, LIN Laikuang, HE Fei, WU Dun, LI Zhengguang, JI Zhiyong. Geological Adaptability Design Method of Disc Cutter Ring[J]. Journal of Mechanical Engineering, 2018, 54(1): 10-17.

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