Traverse Units 

Uses
The product is mainly used as a guiding mechanism for feeding linear material onto a
rotating reel during the winding process, where one rotation of the reel requires a
traverse movement equal to one diameter of the material being wound. The traverse
shaft is driven by a toothed belt connection from the shaft supporting the reel, thus
ensuring a constant relationship between the traversing speed and reel take-up speed.
This is illustrated below:

The Principle
The Marldon rolling ring traverse unit converts rotary motion into linear travel. Rotating rolling ring bearings with a specially machined inner race, spring loaded against a smooth round shaft and maintained under constant pressure, convert the rotary motion of the shaft into linear movement at a rate that is proportional to the angular position of the rolling bearing set relative to the shaft axis. Picture A simple adjustment of this angle by a regulating mechanism allows a wide range of traversing speeds while the shaft speed remains constant.