The result has shown that the fracture was caused by such surface defects as fold crack in section a at connectingrodsmallend.
结果表明，断裂由连杆小头A截面的表面缺陷(折叠裂纹等)引起。
2
The connectingrod links its large end to the crankshaft and its small end to the piston.
连杆的大头与曲轴连接，小头与活塞链接。
3
The FEM for the assembly parts of piston, gudgeon pin and small-end of connectingrod is constructed to investigate a diesel engine piston with an oscillating-oil-cooling channel.