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我们经修的发动机,起初由于工艺、工装不全,质量差,只能行驶7～8万公里;后来虽然修理质量有所提高,能行驶17～18万公里,在同行业中也仍属低下水平.敲缸和拉缸是大修发动机质量不高的主要方面,因此必须有效地解决敲缸、拉缸问题,提高发动机的修理质量.近几年来,我们认真探索了敲缸、拉缸症结的根源,找到了防范大修发动机拉缸、敲缸的途径,收到了满意的效果:有的大修发动机已装车行驶28万公里以上,还在继续行驶中.我们注意了以下五点,以提高大修发动机的质量.
Our engine repair, initially due to technology, tooling incomplete, poor quality, can only travel 80,000 km; although the quality of repairs has improved, able to travel 17 to 180,000 km in the same industry is still low level Knocking cylinder and pulling cylinder are the main aspects of overhauling low quality engine, so we must solve the problem of knock cylinder and cylinder effectively and improve the quality of engine repair.In recent years, we have carefully explored the root causes of knocking cylinder and pulling cylinder crux , Found a way to prevent overhaul engine cylinder, knock cylinder, received a satisfactory result: some overhaul engine has been loaded 280,000 kilometers or more, still continue to travel.We noticed the following five points to improve the overhaul engine the quality of.