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法兰盘是我厂主要产品卷揚机上的高强度鑄铁件,生产批量很大。零件的形状如图1所示。我們是采用水玻璃快干型砂造型,为了便于操作,分成二半鑄造,以后經初加工后,再用螺栓連接在一起。每半鑄件的重量是1600～2300公斤(各种法兰盘形式略有差别);鑄件的热节平均截面为50～150毫米。采用水玻璃快干型砂造型的结果,一年多来,使鑄鉄車間在原有设备与造型面积的基础上,由原来每天造型4～5箱提高到10箱以上,同时省下了相当数量的烘爐容积和造型面积,来扩大其他鑄件的生产。目前該鑄件的废
Flange is my factory main products winch on the high-strength cast iron pieces, production volume is very large. The shape of the part is shown in Figure 1. We are using quick-drying water glass molding, in order to facilitate the operation, divided into two halves of casting, after the initial processing, and then bolted together. The weight of each castings is 1600 ~ 2300 kg (a slight difference between the various forms of flange); castings, the average section of the hot section of 50 to 150 mm. The use of water glass quick-drying sand molding results, more than a year, so that the casting workshop in the original equipment and modeling area, based on the original 4 to 5 boxes a day to raise more than 10 boxes, while saving a considerable amount of Ovens volume and modeling area, to expand the production of other castings. The casting of the waste