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这种弯管机的特点是被弯管的弯曲半径可调,其结构及传动机理较为简单(见附图)。机座1的油缸2用来驱动旋转头架3,在中心轴9上装着用以弯曲不等径钢管的锥形模轮8。工作辊轮7装在活动架4中的销轴6上,可自由转动。活动架4借助螺杆5的调节可上下移动,以此和锥模8形成不同的半径。当钢管弯曲时,钢管被压紧机构压住
This type of pipe bender is characterized by an adjustable bend radius of the pipe to be bended, and its structure and transmission mechanism are relatively simple (see attached drawings). The cylinder 2 of the base 1 is used to drive the rotary head frame 3, and the center shaft 9 is provided with a tapered die wheel 8 for bending an unequal diameter steel pipe. The work roll 7 is mounted on the pin 6 of the movable frame 4 and is freely rotatable. The movable frame 4 can be moved up and down by the adjustment of the screw 5, so as to form a different radius with the cone mold 8. When the steel pipe is bent, the steel pipe is pressed by the pressing mechanism