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三辊行星轧机是大压下量轧机,目前这种轧机仅用于轧制捧材。西德施劳曼-西马克公司(SMS)制造的两台这种轧机至今仍在正常运转。三辊行星轧机的原理是三个锥形轧辊布置在轧件周围,相互成120°角,形成一个锥形变形区。由于轧辊倾斜布置,其旋转运动产生将轧件送入变形区的进给运动。1974年,西德布德鲁斯厂的三辊行星轧机曾试轧过空心管坯,其结果证实这种生产方法是有发展前途的。1977年6月至1979年12月,
Three-roll planetary mill is a large reduction mill, the current mill is only used for rolling material. Two such mills manufactured by SMS Germany-Schumann-SMS are still in operation today. The principle of the three-roller planetary mill is that three conical rollers are arranged around the rolling materials at an angle of 120 ° with each other to form a conical deformation zone. Due to the inclined arrangement of the rolls, the rotational movement thereof produces a feed movement of the rolling stock into the deformation zone. In 1974, the three-roll planetary mill at the German-German Buderus factory had piloted a hollow shell and the result confirmed that there was a promising future for this production method. From June 1977 to December 1979,