【摘要】 气门弹簧是四冲程发动机配气系统的关键部件,其参数设计不仅影响发动机的动力性,更重要的是影响发动机能否在高转速下正常运行。通过对某款125 mL摩托车发动机配气参数及现有气门弹簧参数的计算,确定了新机型气门弹簧的选型,通过校核计算表明,甲机型的气门弹簧应用于新机型,可以保证使用可靠性和稳定性。更多还原

【Abstract】 Valve spring is a key part in four-stroke engine valve system.Its design has great influence on the dynamic performance and the operation of engine at high-speed.This paper illustrates the selective calculation for the parameter of valve and valve spring of a 125 mL motorcycle engine.The result of calculation helps the choice of new valve spring for engine.更多还原