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我所有匈货M—2型X光机一台,带有控制台、冷油聚油箱等附属机件,转辗运到我所,于56年8月下旬安装校验,在过程 中,发生的不正常现象,以及解决办法,分述如下: 1、冷却油泵运转时发现有杂音,在修理时将牙齿泵拆开,结果发现其中一只牙齿已经裂开。原配牙齿硬度相当于RC 61,可能系18—4—1之类的钢材制成。由于18—4—1材料不易买到,我们用中碳镍铜铣成,经淬火后,硬度约RC 50左右。
All of my Hyundai M-2 X-ray machines were equipped with consoles, cold oil tanks, and other accessories. They were transported to our office and installed in late August of the same year. During the process, they occurred. The abnormal phenomena and solutions are described as follows: 1. The noise of the cooling oil pump was found to be noisy, and the teeth pump was disassembled during the repair. As a result, one of the teeth was found to have cracked. The original tooth hardness is equivalent to RC 61, probably made of steel such as 18-4-1. Because 18-4-1 material is not easy to buy, we use medium-carbon nickel-copper milling, after quenching, the hardness is about RC 50.