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Dynaloc's line of Thin Film Pulleys has finally made it possible to have reliable tracking of thin-films and belting without the complexity of
edge-sensing and extra control devices. The patented Dynaloc integrally machined dual helix provides
inherent tracking stability as the expanding dual helix unwrinkles thin films. These Positracs outlast
rubber lagged pulleys and they automatically clean the inside of the belt.
You can use them on all closed-loop belts or continuous strip process lines.
They are made to provide instant initial belt centering adjustments. We have
thin-film configurations for tracking every type of belting, process strip, packaging film or paper, and all
work at extreme temperatures.
Types:
I HP1- These pulleys were designed for maximum driving traction and
self-centering of thin belting, process strips, and some plastic films or sheeting. This configuration is particularly effective in driving and tracking such slippery materials as
Teflon coated fiberglass, synthetic fabric belting, plastic surfaced belting, etc.
VTF- These Dynaloc Thin Film Pulleys are mainly used to track coated films, plastic sheeting, belting, packaging films, emulsion and adhesive coatings. These special VTF's do not provide as much driving traction as do the IHP3's because they were designed to have a very gentle interaction with relatively fragile thin materials, however, they are very effective in eliminating air pockets in lamination.
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