我局使用的SBR-4型包裹收寄机,一年多以来,资费计算比较准确,而打印部分多发生故障,主要是链条打滑和被拉断,由于链条缺乏备件,给维修工作带来一定困难。最近我们土法上马,对传动部分进行了一些小改革,经过一段时间的考验,效果尚好。现将改革情 I SBR-4 type of parcel receiving and sending machine, more than a year, the tariff calculation is more accurate, and print some of the more failures, mainly due to chain skidding and was broken off, due to lack of spare parts chain, to bring some maintenance work difficult. Recently, we launched the indigenous law and carried out some minor reforms on the transmission section. After a period of tests, the effect is still good. Now the reform of love