我厂生产的“HNYD2—1型信函过戳机”(曾在本刊1976年第4期发表),在生产和使用中,发现信函从分离机构出来,经过抽信轮加速后,有时信件前端上升,窜入油墨轮与油墨介轮之间,造成信件污染事故。我们分析了发生事故的原因,采取了相应的措施:在抽信轮和日戳轮之间增加 I produced the factory “HNYD2-1 letter stamper ” (once published in the fourth issue of 1976), found in the production and use of letters from the separation mechanism, after the letter of the letter to speed up, sometimes Letter front rose, fleeing into the ink wheel and ink between the wheel, causing letters pollution accident. We analyzed the cause of the accident and took the appropriate action: increase between the letter of interest and the date stamp round