JL462Q汽油机主要用作长安、松花江、昌河、汉江与吉林等微型汽车、石油地质钻探、小型叉车、小型汽油发电机组及空调机组等的动力装置。汽油机的整机质量取决于产品的结构参数、零部件加工精度、零部件清洁度及装配质量等。而装配间隙是保证装配质量的重要因素。汽油机的装配间隙可分为两大类,一类是运动副的间隙(含轴向间隙和径向间隙),如曲 JL462Q gasoline engine is mainly used as power plant of Changan, Songhua River, Changhe, Hanjiang and Jilin and other mini vehicles, petroleum geological drilling, small forklift, small gasoline generator and air conditioning unit. Gasoline machine depends on the overall quality of the product structure parameters, parts machining accuracy, cleanliness and assembly quality components. The assembly gap is to ensure the quality of the assembly of an important factor. Gasoline engine assembly clearance can be divided into two categories, one is the gap between the movement (including axial clearance and radial clearance), such as song