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Stationary Clearance Link Algorithm for Solving the Counter-Force in the Clearance Revolute Joint of Crank Slider System

CHEN Wei;YU Ru-fei;LI Pei;Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System,Xi'an Jiaotong University;Impact Mechanics Laboratory,Department of Mechanical Engineering,National University of Singapore;  
To accurately predict the performance of mechanisms with clearance joint and estimate its life,it is very critical to efficiently and accurately calculate the counter-force in the clearance revolute joint.In this paper,an independent and efficient algorithm,stationary clearance link algorithm,was proposed to calculate the force in the clearance bearing of crank slider system based on a clearance revolute joint model.Differing from Li's simplified algorithm based on the force in the ideal revolute joint,the stationary clearance link algorithm is only based on a clearance revolute joint model,it is not necessary to solve the reaction-force in the ideal revolute joint and nonlinear equation group.Initializing the stationary clearance link and simplifying the clearance counter-force in the clearance model,the practical clearance counter-force could be obtained by using the stationary clearance link algorithm with more efficient than Li's method.At the end,the feasibility and high-efficiency of the stationary clearance link algorithm are demonstrated by an example.
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