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我厂是一个生产中、小型低压阀门铸件的专业铸造厂,全厂200多名职工,地处市内,厂地狭小。由于生产发展的需要,上级要求我们挖掘潜力,实现机械化生产,提高产量。在讨论机械化方案时,遇到的困难之一,就是型砂和旧砂的输送问题,根据我厂的条件,搞皮带输送是不适用的。1967年5月底,我们听到济南机车工厂型砂气力输送试验成功的消息,感到这是一个好办法,立即组织人员前往参观。6月初即组织专人进行边设计、边施工。
I plant is a production of small and medium-sized low-pressure valve casting professional foundry, the whole plant more than 200 workers, is located in the city, a small factory. Due to the needs of the development of production, superiors require us to tap the potential to achieve mechanized production and increase production. One of the difficulties encountered when discussing the mechanization program is the transportation of molding sand and old sand. According to the conditions in our factory, it is not suitable to carry the belt. At the end of May 1967, when we heard about the successful trial of pneumatic conveying of sand at Jinan Locomotive Factory, we felt it was a good idea to immediately organize personnel to visit. At the beginning of June, we organized hand design and construction.