Who knows the way to determine the rotation of worm gear?

Determine the direction of rotation of the worm or worm gear: the axis of the worm wheel or worm is erected, the helix is right-handed on the right side and left-handed on the left side.



Judgment of turning: right-hand rule, the active worm for right-hand four fingers along the direction of the worm to grasp the worm, thumb direction and worm gear node speed direction is opposite to determine the direction of the worm wheel. That is to say, the rotation of the worm and worm gear is judged by the right hand rule or the left hand rule.