Four型挤压机是SAPA公司拥有的最新也是最大的铝挤压机。该公司投资三百五十万英镑,挤压能力超过了30 000t,从而扩大了生产范围。这台2 800t压力机是由德国SMS Hasenclerer公司制造的,采用专门的模具可压制出直径为200mm、水平宽度为250 mm的空心零件。采用燃气测程加热器控制,在500℃时剪切出尺寸适当的毛坯送入挤压机。挤压后,用专门的设备自动取出工 Four-type extruder SAPA company has the latest and largest aluminum extrusion machine. The company invested 3.5 million pounds and squeezed more than 30,000 tons, expanding its production range. The 2,800t press, manufactured by SMS Hasenclerer in Germany, uses a special mold to produce hollow parts with a diameter of 200mm and a horizontal width of 250mm. Using gas range heater control, at 500 ℃ cut the appropriate size of the blank into the extruder. After extrusion, with special equipment automatically remove workers