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长城特殊钢公司第三钢厂,从日本三菱长崎机工株式会社引进的20000kN快速锻造液压机,系单工作缸、整体环形框架、下拉式液压机,就其工作缸和柱塞的结构而言,确有一定的独到之处,特予介绍。 1 工作缸 1.1 工作缸结构本压机的工作缸缸体在结构上分为两段(见图1),一段为缸底、一段为缸筒。缸底段为铸钢,铸于中梁内,与中梁呈整体结构;
The third steel mill of Great Wall Special Steel Co., Ltd., a 20000kN rapid forging hydraulic press introduced from Japan’s Mitsubishi Nagasaki Machinery Co., Ltd., is a single-cylinder, integral ring frame and pull-down hydraulic machine. In terms of the structure of its cylinder and plunger, There are some unique features, special to introduce. 1 work cylinder 1.1 work cylinder structure The work of the cylinder cylinder block in the structure is divided into two sections (see Figure 1), a section of the cylinder bottom, a section of the cylinder. Bottom of the cylinder for the cast steel, cast in the beam, and the beam was the overall structure;