Workpiece

Make sure the workpiece is properly secured in the chuck before turning on the lathe.

It is theorized that when the surface velocity is below certain minimum values the material at the interface between workpieces WP-1 and WP-2 rolls up and extrudes from the interface in the form of long twisted cylindrical projections which are sometimes referred to as "dingle-berries."

If the operator violates this instruction and, for example, tries to slightly move the workpiece while the robot is screwdriving it, then the execution may be interrupted […]