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Expanding shaft

Posted on November 03 2020

Expanding shaft

One of the most common automation components in the printing, packaging, and stickers industry, is the Expanding shaft.

Expending shafts are used in shafted winding applications, to unwind and/or rewind web material. These shafts expand to grip the inner diameter of a core, to move and place steadily the web material and control web tension.

The expanding shafts are mechanical or pneumatical cylindrical rods, which expand and increase their volume. First the shaft is inserted into the core of the web, then it expands to grip the inner diameter of the core of the web.


Double E is an American leading manufacturer in the field of expanding shaft, offering wide range of types of expanding shafts, chucks, and accessories.

The shafts are usually made of steel, aluminum, or carbon fibers. They are available in a variety of lengths and diameters, according to the weight, the applied forces, and the length of the web.

Pneumatic shaft expends and grip the media.

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