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Unwind Stands - Shafted
Unwind Stands - Shafted
Double E Group provides completely custom shafted roll stands to suit specific winding applications. Stands and drop-in modules for unwinding are both available. High quality accessories include Double E Group shafts, safety chucks, rollers, brakes, tension controllers, and web guides; and Mario Cotta slitting equipment.
Double E Group provides completely custom shafted roll stands to suit specific winding applications. Stands and drop-in modules for unwinding are both available. High quality accessories include Double E Group shafts, safety chucks, rollers, brakes, tension controllers, and web guides; and Mario Cotta slitting equipment.
Double E Group unwind roll stands are pre-configured for easy integration into any converting process to upgrade or replace old or inefficient winding stations, or to add a new unwind station to an existing machine. These stands are packaged with all accessories working together, and warrantied by a single supplier. Prices for new equipment from Double E Group are often lower than comparable used equipment.
Double E Group has manufactured hundreds of unwind stands to suit a wide variety of applications. Whether you need a light duty cantilevered unwind stand, or a heavy duty reinforced stand for an aggressive application, Double E Group has the experience to design and build exactly what is needed to meet the operating specifications.
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The triple unwind stand (bottom right) is an excellent example of Double E Group's customization expertise. This stand is a unique design that was engineered for a producer of laminated film. The customer needed a more efficient method for manufacturing a five-layered material. Since the customer already had three individual stands, Double E Group engineered this stand to replace one of those single unwind stands to give them a total of five unwind sections. This stand consisted of a control panel with three tension controllers, safety chucks holding three DG-2000 aluminum bladder shafts and regulated with load cells and pneumatic brakes.
Double E Group can also offer drop-in or bolt-on modules to upgrade existing machines.
As an example, this custom module was created for a supplier of plastic sheets and roll stock. The customer needed a bolt-on double unwind stand with closed loop tension controls and load cell frames for regulating tension.
This stand consisted of two DG-2000 aluminum bladder shafts held by four safety chucks and regulated by two pneumatic brakes.
The Solution Series Simple Unwind Stand is ideal when tension control is already established, and a stand is needed only to support the shaft, safety chucks, and brake. Standard model includes A-frame, 60” - 100” web width, 40” max roll diameter, steel “Dyna–Grip” lug shaft, Double E Group EE250 pneumatic brake, SP11 safety chucks, and one exit roller.
Options/Upgrades: web guiding, “Dura–Light” carbon fiber lug shaft, 60” max roll diameter, web width < 60” or > 100”.
Suitable when simple monitoring of roll diameter is enough to adjust tension. It is especially economical if the web path will allow for the A-frame only (without the optional exit roller stand). Base price includes A-frame, 60” - 100” web width, 40” max roll diameter, steel “Dyna–Grip” lug shaft, Double E Group EE250 pneumatic brake, SP11 safety chucks, one exit roller, and an open loop tension control system.
Options/Upgrades: web guiding, “Dura–Light” carbon fiber lug shaft, 60” max roll diameter, web width < 60” or > 100”, exit roller stand and extra roller.
Delivers advanced web tension control with direct measurement and
feedback from load cells. Base price includes 60” - 100” web width, 40”
max roll diameter, steel “Dyna–Grip” lug shaft, Double E Group EE250 pneumatic
brake, SP11 safety chucks, load cell stand, 3 exit rollers, and a
closed loop tension control system with load cells.
Options/Upgrades: web guiding, “Dura–Light” carbon fiber lug shaft, 60” max roll diameter, web width < 60” or > 100”.
Unique sliding design makes loading and unloading easy, guarantees roll security, and prevents finger jamming. Shaft placement is effortless with square-turned-45° (standard) or patented circular jaws for high speeds. Available sidelay adjustment for alignment and pivot table for baggy edge correction.
From lightweight carbon fiber lug shafts to simple metal strip shafts, Double E Group offers any type of core shaft that you need.
Low-inertia carbon fiber rollers respond to changes in web speed to minimize web scratching and stretching. Double E Group offers a low-cost model which can be close to the cost of a traditional aluminum roller.
Cool-running pneumatic brakes or electromagnetic powder brakes.
Load cells, tension controllers, ultrasonic sensors, integrated systems
Shifting actuators are perfect for simple web guiding from a shafted unwind stand. Double E Group also offers pivot frames and steering rolls - all featuring an easy-to-use remote controller and accurate stepper motors.
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