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阜城县霞口乡铁厂在没有一台车床的情况下,奋战十昼夜制造出十一台六尺加重车床。人们不禁要问丝杠是怎么加工出来的呢?现在咱们就来看看他们是怎么样加工丝杠的。他们用铁棍锻打成梯形(或方形)断面的长条,它的断面形状和丝杠牙扣断面形状相同。从这个梯形断面的长条上,截下一段绕成弹簧状(螺距用尺比着使它符合要求,直径也要根据要求的尺寸绕),再拿一块铁板跟这个弹簧状的东西一起加热
Fucheng County Xiakou Township ironworks in the absence of a lathe case, fighting ten days and nights to create eleven six-foot increase lathe. People can not help but ask how the screw is processed out? Now let’s see how they are processing the screw. They use iron bars forged into trapezoidal (or square) section of the strip, the cross-sectional shape of the screw and the same section shape. From the long section of the trapezoidal section, cut off a section of a spring-like (pitch than to make it meet the requirements of the diameter of the required size around), then take a piece of iron with the spring-like things together