The precise positioning of the invention relates to a processing method of engine body intermediary hole, which comprises the following steps: (1) in the machine processing is completed, the main spindle hole mesopores and camshaft hole; (2) to have been processed, the main spindle hole mesopores and camshaft hole body, to coordinate the spindle hole center the zero point, measured on the body of the main pore reach zero point coordinates (X: 1, Y: 1), on the body of the cam shaft hole reach zero point coordinates (X: 2, Y: 2); (3) coordinate with medium holes on the body value (X, Y), will be the main content of the mesoporous coordinate value (X: 1, Y: 1) and camshaft hole coordinates (X: 1, Y: 2) accurate positioning hole into the intermediary equation; (4) to the steps (3) the intermediary hole The precise location coordinates (X, Y) the actual coordinates for the intermediary hole, the processing of the intermediate hole; (5) and the cam shaft hole and the distance between the main intermediary hole with micrometer mesoporous and intermediary hole hole distance, coordinate the check calculation value, processing complete intermediary hole.
【技术实现步骤摘要】
【技术保护点】
一种内燃机机体中介孔的精确定位加工方法，包括以下步骤：（１）在机床上加工完成主轴孔、主介孔和凸轮轴孔；（２）对已加工好主轴孔、主介孔和凸轮轴孔的机体，以主轴孔中心的坐标为零点，分别测量出机体上主介孔到达零点的坐标值（Ｘ↓［１ ］，Ｙ↓［１］），机体上凸轮轴孔到达零点的坐标值（Ｘ↓［２］，Ｙ↓［２］）；（３）设机体上中介孔的坐标值为（Ｘ，Ｙ），将测量出的主介孔坐标值（Ｘ↓［１］，Ｙ↓［１］）和凸轮轴孔坐标值（Ｘ↓［１］，Ｙ↓［２］）带入中介孔精确定位方程： ＊＊＊；其中：ａ＝４（（Ｘ↓［１］－Ｘ↓［２］）↑［２］＋（Ｙ↓［１］－Ｙ↓［２］）↑［２］）ｂ＝４（Ｙ↓［１］－Ｙ↓［２］）［（（Ｘ↓［１］－Ｘ↓［２］）↑［２］＋（Ｙ↓［１］－Ｙ↓［２］）↑［２］）－（Ｌ↓［２］ ↑［２］－Ｌ↓［１］↑［２］）］ｃ＝［（（Ｘ↓［１］－Ｘ↓［２］）↑［２］＋（Ｙ↓［１］－Ｙ↓［２］）↑［２］）－（Ｌ↓［２］↑［２］－Ｌ↓［１］↑［２］）］↑［２］－４（Ｘ↓［１］－Ｘ↓［２］）↑［２］×Ｌ↓［１］↑［２］ ...
【技术特征摘要】
【专利技术属性】
技术研发人员：陈明，
申请(专利权)人：北京二七轨道交通装备有限责任公司，
类型：发明
国别省市：11[中国|北京]
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