screw worm

A shaft with screw thread ( the worm) meshes with a toothed wheel ( the worm wheel); changes the direction of the axis of rotary motion.

螺纹杆与齿轮相啮合；改变轴旋转运动的方向。

A new craft of grinding gear with involute enveloping hourglass interior screw thread worm grind wheel

TI内螺纹蜗杆砂轮磨齿的新工艺

Volume calculation of worm thread of continuous screw press

螺旋榨油机榨螺螺纹体积计算的研究

The volume of cylinder-shaped worm section with equal area has been studied and computed. The center angle corresponding with the screw thread was divided into M equal segments that would be computed as calculation elements.

研究圆柱根圆等截面圆柱榨螺体积的计算，将螺纹对应的圆心角M等分，得到M个计算单元。

A mathematical model on the interference of an over-wire measurement for the Archimedes screw ( worm) thread is established and a discriminant equation of the interference is presented.

本文建立了对称的阿基米德螺纹（蜗杆）跨线测量时发生干涉的数学模型，并导出干涉发生的判定公式。