A pair of meshed crossed helical gears usually have the same hand; that is, a right-hand driver goes with a right-hand driven.
一对网状交叉斜齿轮通常有相同的,另一方面,那就是,一个右手边的司机云与右手边的驱动。
2
Any linkage which contains a screw pair, for example, is a spatial mechanism, since the relative motion within a screw pair is helical.
举例子,任何含有螺旋副的连杆机构,由于它的相对运动是螺旋线形的,因此是空间的机构。
3
The mesh stiffness of a pair of helical gears is calculated by substituting the variance of the contact line length for the variance of the instantaneous mesh stiffness.