上海印染机械厂对捣固机(又称风冲)的开关进行了改进。原来开关不合理,工作时大部分气销处产生漏气,既浪费能源又影响工人健康,特别当冷天时,在手握开关处不断受冷气和水汽的刺激,部分老工人长期工作后手得关节炎。同时由于气销处漏气严重,影响了捣固机的捣实效率。我厂采用下述改进方法:在原有开关气销上设计了一个凹槽,放上一个标准 Shanghai Printing and Dyeing Machinery Factory on tamping machine (also known as wind Chong) switch has been improved. The original switch is unreasonable, most of the gas sales at work produce a leak, not only a waste of energy but also affect the health of workers, especially in cold weather, the hands of the switch constantly by the air conditioning and steam stimulation, some of the old workers after long-term work arthritis. At the same time due to a serious gas leak at the sales department, affecting the tamping machine tamping efficiency. I plant the following improvements: In the original switch gas sales on the design of a groove, put a standard