设备改造的前题:我所检修过某院一台罗马尼亚400mAx光机。该机是1978年引进的,每天平均曝光近100次左右。长时期的使用,本机器部分元件已老化和损坏,其中比较严重的是高压继电器和光栏灯。继电器的寿命为10万次左右,按该院的使用以及本机器的情况分析,大约4至5年。光栏灯原有三只备件都已使用完,国内无该规格的灯泡,这两个元器件很重要,每次照像曝光、出线需高压继电器, Equipment modification of the problem: I have overhauled a hospital in Romania 400mAx light machine. The aircraft was introduced in 1978, the average daily exposure of nearly 100 times. A long period of use, the machine part of the components have been aging and damaged, of which the more serious is the high voltage relay and light bar lights. Relay life of about 100,000 times, according to the hospital’s use and the machine’s situation analysis, about 4 to 5 years. Light bar lamp original three spare parts have been used up, the domestic no bulbs of the specifications, the two components is very important, each photographic exposure, the outlet need high-voltage relay,