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文章根据近年来国内外汽车维修行业及内燃机行业发展的新趋势,结合多年工作实践,对结构复杂的气缸盖修复再造加工,提出了进、排气门座圈锥面与导管孔的修复是其工艺技术关键,并从定位方式、基准选择、气门座圈及导管的拆装更换,气门导管孔的修复清理和气门座圈锥面的维修加工方式及密封性检查等方面进行了探讨和分析,提出改善及提高其加工气缸盖气门座锥面与气门导管孔精度、效率的途径。
According to the new trend of automobile maintenance industry and internal combustion engine industry both at home and abroad in recent years, combined with many years of practice, the repair and reconstruction of cylinder head with complex structure is put forward. The repair of inlet and exhaust valve seat cone and catheter hole is The key technologies are discussed and analyzed from the aspects of positioning method, reference selection, disassembly and replacement of valve seat and guide pipe, repair and maintenance of valve guide hole, repair and processing of valve seat cone and sealing inspection. The ways to improve and improve the precision and efficiency of valve seat cone and valve guide hole in machining cylinder head are put forward.