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汽车发动机配气相位的检测,一般被划分为3个递进关系的阶段。第1阶段为配气相位正时记号的对核装配,由于配件的质量或记号的偏差,往往会使这个对核装配产生失误;第2阶段是在第1阶段正确(正时记号对准的基础上)的前提下,再进一步检测各缸活塞在上止点前后,进、排气门均微开状态(进气门提前开启、排气门延迟关闭)的叠开角,计算配气相位中α(进气门提前开启角)、δ(排气门延迟关闭角)的实际曲轴转角,与厂定标准数值是否相符,而得出配气相位提前、合适、迟后的结论,并提出解决措施;第3阶段是在综合前两个阶段的检测要求后,再分别测出进气门提
Automobile engine gas phase detection, is generally divided into three progressive stages. The first phase is the timing of the valve with the gas phase assembly, due to the quality of the parts or mark deviation, often make the assembly of the nuclear error; the second stage is correct in the first stage (timing mark alignment Based on) under the premise of further testing each cylinder piston before and after the top dead center, into the exhaust valve are slightly open state (intake valve pre-open, exhaust valve delay off) the angle of overlap, calculate the gas phase The conclusion is drawn that the actual crank angles of α (intake valve pre-opening angle) and δ (exhaust valve closing delay angle) are consistent with the factory-set standard values Solution; the third stage is in the first two stages of the test requirements, and then were measured intake valve