Plastic Machinery Parts & Acessories


Monday - Friday 9AM - 5PM EST - 631.968.2600



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Air Shaft

Our Airshafts also known as Air Expanding shafts are used in the manufacturing processes for fitting into a core onto which materials such as paper, card and plastic film are wound. Our airshafts are designed so that, on fitting into a core, they can be readily expanded, thereby achieving a quick and firm attachment. They may also be easily deflated to facilitate easy withdrawal of the shaft after winding of product is complete.

Their efficient design makes them ideal for mounting onto bearing housings to enable the winding or unwinding of rolls of stock material with the minimum of equipment down time. The advantage of using our airshaft is its ability to grip the core, without damage, whilst providing a positive interface to control the web via motors & brakes. The Airshafts we have available are either lug type (with bladder down the centre) or strip type (bladders on the periphery of the shaft).

Air shafts are used on many converting machines. An example of one of these machines is a slitting machine or slitter rewinder which is used to cut or slit large rolls of material into smaller rollers. The Air shaft is the machine part or shaft which tightens the core or roll on filling air.

Some of the air shaft products we have available in stock include Block Nest, Adjusting Rod for Platen, Phenolic Gear for Separator, Platen Support Rod .500 x 27", Stop Tape Bobbin, Sleeve, Knob, Shaft Tape Bobbin Drive, Bobbin Tape MS 80 and many more.

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