Reel changer for facilitating flying reel change has at least four collets in axial direction of supporting journals

摘要

The reel changer (01) supplies of global of material. It has holding fixtures, in which at least one rolling-off roll (06) of material and at least one new roll of material (07) for the reel change can rotate. Each roll of material is held by two and holding fixtures (05), and each holding fixture has a supporting journal (11) with gripping jaws. At least four collets run in the axial direction of the supporting journals.