姜兴国，冷长庚

（山东华源莱动内燃机有限公司，山东 莱阳 265200）

摘要：本文通过对柴油机气缸盖电热塞孔的结构分析及加工工艺改进，介绍了在批量生产时采用组合机床、组合刀具高效加工气缸盖电热塞孔的工艺。

关键词：电热塞孔；组合机床；复合刀具

Abstract：This paper analyzes the structure of glow plug hole of cylinder head and machining step,  introduces the processing arrangement for efficiently machining glow plug hole of cylinder head by using modular machine and combined tools

 Key words: Glow Plug Hole of Cylinder Head; Modular Machine;Combined Tools