There are also two roller straightening machine, relying on two rollers (Concave Intermediate, hyperbolic roll) the perspective of the different changes in the diameter of the material straightening.
也有两辊矫直机,依靠两辊(中间内凹,双曲线辊)的角度变化对不同直径的材料进行矫直。
2
The example by quenching to intermediate frequency is analysed, advantage having ascertained mill rollerintermediate frequency quenching.