Design method for profile of offset elliptical pin hole of piston
A design method and ellipse technology, applied in the direction of piston, design optimization/simulation, mechanical equipment, etc., can solve the problems of increased shear stress, easy cracks in the piston pin hole, etc., to optimize contact and reduce safety risks.
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[0022] The present invention will be further described below according to the drawings.
[0023] like image 3 , The power transmission route is a conventional combustion engine the piston and the head of the chemical composition of the combustion chamber can be converted into mechanical energy, and then by a crank mechanism of a reciprocating motion of the piston, is converted into circular motion of the crank 2. During power transmission, since the swinging link 3, piston pin and piston pin bore will contact region constantly changes. However, the piston body 6 receives the gas pressure and inertial force is along the cylinder bore has a center line 7 when the direction. However, due to the supporting effect of the piston rod 3, the contact pressure of the piston pin hole toward the major thrust side of the main TS5 region of the piston skirt. As the gas pressure and the greater the supporting force of inertial force and stroke provided by the angle of the link 3 by the piston bo...
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