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一、多缸发动机工作顺序表的由来为了保证多缸发动机工作的平稳和曲轴各主轴承受力均匀,希望发动机连续工作的两气缸应尽可能的远一些,同时,各缸工作间隔也应力求均匀。所以,我们把发动机曲轴做成前后对称的形状,并采取相等的工作间隔角θ=(720°/i)(因为曲轴旋转720°完成四行程发动机的一个工作循环;i 是发动机的气缸数)。例如解放牌汽车是六缸发动机,我们把它的曲轴制成前后对称,而且分别把第一曲柄和第六曲柄、第二曲柄和第五曲柄、第三曲柄和第四曲柄分配在三个平面内,这三个平面的夹角互成120°。针对这一曲轴型式,为满足以上要求,选用最合适的工作顺序为1-5-3-6-2-4,再参照四行程发动机的工作循环就可以列出它的各缸工作顺序表(见表1)。仿此可列出四缸、八缸、十二缸发动机或工作顺序与此不同的六缸发动机的工作顺序表。
First, the origin of the multi-cylinder engine work order table In order to ensure the smooth operation of multi-cylinder engine and crankshaft bearing capacity of the main uniform, I hope the engine continuous operation of the two cylinders should be as far as possible, at the same time, Evenly. Therefore, we make the crankshaft of the engine symmetrical forward and backward and take the same working angle θ = (720 ° / i) (a working cycle of the four-stroke engine is completed because the crankshaft rotates 720 °; i is the number of cylinders of the engine) . For example, the Jiefangbei automobile is a six-cylinder engine, and we make its crankshaft symmetrical back and forth, and distribute the first crank and the sixth crank, the second crank and the fifth crank, the third crank and the fourth crank in three planes Inside, these three planes form an angle of 120 ° with each other. For this crankshaft type, in order to meet the above requirements, choose the most suitable work order is 1-5-3-6-2-4, and then refer to the working cycle of the four-stroke engine can list its working sequence of each cylinder table See table 1). Imitation of this list out of four-cylinder, eight-cylinder, twelve-cylinder engine or work order and six different cylinder engine working order table.