Drafting arrangement with feedback drive groups

Year	Description
1992	Invention patented by Erich Jornot on May 19th, 1992. Abstract: A draw frame with a main control for a drafting arrangement having at least one independent drive group for at least one drafting zone. Each independent drive group has an auxiliary closed loop control system having a controller. Fiber slivers are drawn through the drafting arrangement through the drafting zones. When the control the range of a certain controller is exceeded, a nominal adjustment of at least one drive group is effected through a control connection.
Source: selected by the editor from original sources.

Invention: Drafting arrangement with feedback drive groups