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D型管

发布时间:2019-03-29人气:207
  • D型管

出产设备是由主动主动轧管机、定径机、穿孔机、均整机和减径机等组成的,这种办法也是出产D型管的办法之一。传统出产的办法设备出资少,能出产直径达1070mm、壁厚到200mm的特大特厚的管,但出产效率低,壁厚比较厚,管长比效短。后来有了CPE研发的顶管出产新工艺后,管坯经斜轧穿孔成荒管,收口后顶轧延伸成管,克服了传统办法的一些缺陷,这个办法也是经济效益较好的办法,是较多D型管厂家选用的办法。

The production equipment is composed of active pipe rolling mill, sizing mill, piercing mill, equalizing machine and reducing mill. This method is also one of the ways to produce D-tube. The traditional production method has less investment in equipment and can produce large and extra-thick pipes with diameter of 1070 mm and wall thickness of 200 mm. However, the production efficiency is low, the wall thickness is thicker and the ratio of length to efficiency is short. Later, with the new pipe jacking technology developed by CPE, the billet was pierced into barren pipes by cross rolling and extended into pipes by top rolling after closing, which overcomes some shortcomings of the traditional method. This method is also a method with better economic benefits and is chosen by more D-tube manufacturers. 


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