Air Expanding Shaft

Additional Details

Air Expanding Shafts offered by us are required for fast change over of unwinder / winder roll. Air valve air can fill and the air shaft can hold the core by expanding the rubber bladder after removing the air by thump press. The regularly used cores are 3 inch ID core, but bigger cores are also used where heavy weight of the unwind/re-wind rolls. Our Air Expanding Shafts are core-holding device suitable for 3” core inside diameter & 70mm core diameter. Lugs type Air expanding shafts are most commonly used for paper or PVC core holding.

Technical Specifications

    Square end Airshaft can also be used with safety chucks for winding & winding
    The shaft can take load of 30kgs to 500kgs
    Cantilever type Airshaft is available with one side shaft for mounting
    Air Val shaft rubber bladder, Lugs type Air expanding shaft can locate at face length or shaft end according to requirements
    Easily replaceable
    Valve fitting and Teflon tape sealing of valve thread to avoid damage of O rings
    To avoid overfilling of air to avoid puncture of air bladder special air gun can be ordered with pressure
    Special Hardened ends, bearing size it should be mentioned in your order