论文部分内容阅读
机器在拍片中,偶发 X 光片感光过量,重拍时发现曝光时间延长,电流增大,电源保险熔断,而底片线量却严重不足。上述现象提示:计时器失准;高压次级可能短路。经初步检查,除熔断的保险丝仅为15A(偏小)外,其他未见明显异常。可能是由于计时器失准,曝光时间延长,连续的大电流使偏小的熔丝熔断,而操作人员观察或描述有误;更换合适的熔丝后,不通高压检验计时器各档均正常。接通高压试机,透视功能正常,证明高压变压器及初次级等均无损坏。换至摄影档试机,结果
Machine in the film, sporadic x-ray film excessive exposure, remake found that exposure time is extended, the current increases, the fuse fuse, while the amount of negative film is seriously inadequate. The above phenomenon prompts: timer out of alignment; high voltage secondary may be short circuit. After a preliminary inspection, in addition to the fuse fuse only 15A (small), the other no obvious abnormalities. May be due to the timer misalignment, exposure time, continuous high current small fuse blown, and the operator observed or described incorrectly; replacement of the appropriate fuse, not through the high pressure test the files are normal. Turn on the high-pressure test machine, perspective function is normal, that no damage to the high-voltage transformer and the first class. Change to photo file test machine, the result