Patent ID: 8116899
Filing Date: 2012-02-14
Classification: B29C,B65H

Abstract:
1. A CNC tensioning system for applying tension in one or more fibers or fiber bundles drawn into a fiber process in a fiber movement direction, comprising: a reverse torque mechanism that applies a net torque on the one or more fibers or fiber bundles in a reverse direction from the fiber movement direction; a motion-control motor that drives the reverse torque mechanism to apply a net torque on the one or more fibers or fiber bundles in a reverse direction from the fiber movement direction; a computer system controlling the motion-control motor to incrementally control net torque on the one or more fibers or fiber bundles in a reverse direction from the fiber movement direction in discrete incremental values, wherein the CNC tensioning system includes an outlet tube and an inlet tube that the one or more fibers or fiber bundles pass through, and a space between the outlet tube and the inlet tube where the reverse torque mechanism applies the net torque on the one or more fibers or fiber bundles in a reverse direction from the fiber movement direction.