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pen you beng gong you shi jiao yu fa dong ji gong you ti qian jiao
Author(s): 
Pages: 19
Year: Issue:  6
Journal: Farm Machinery

Keyword:  油泵供油供油提前角发动机燃烧供油规律膨胀行程规定值供油量敲缸试验台发动机过热;
Abstract: <正> 有的同志试验调整喷油泵时,不注意喷油泵供油始角的检查调整,只检查调整各缸的供油间隔角,并错误地认为:只要把喷油泵安装到发动机上以后,将供油提前角调整合适就行了。由于长期这样做,使喷油泵供油始角与规定值相差较大,供油规律改变,造成发动机燃烧不良、冒烟、工作粗爆等现象,影响发动机正常工作。喷油泵供油始角(见图)是指柱塞开始供油时,挺柱中心线与凸轮对称中心线的夹角(凸轮轴转角)。它决定了柱塞有效行程所对应的凸
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