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Core Holding

Standard Lug Shafts & Chucks

Lead time. Repairability. Availability. Customer Service. Central Location. These are just some of the reasons why EMT is your choice for core holding equipment.

EMT lug-style air shafts are ideal for general purpose and high torque core holding applications. Made in sizes from 1/2” through 10”, the shaft body can be manufactured of steel, aluminum, or carbon fiber with free-floating lugs. This design eliminates the need for springs which could break and puncture the bladder. Customized to fit your machine, the precision, heat-treated journals have a close tolerance straight fit into the shaft body which allows for easier repair compared to shafts with tapered journals. EMT's three-week, known as QuickShip, delivery is available for standard 3" lug-style shafts.

EMT International lug-style chucks are ideal for adapting a shaft to run multiple core sizes. Made in sizes from 3” through 10”, EMT chucks feature free-floating lugs; a design that eliminates springs which could break and puncture the bladder or jam the lugs inside the chuck body. The bi-directional lugs grip the core with rotation in either direction. The split clamp is quick and easy to use, and 3” diameter sizes are stocked for immediate delivery.

EMT Shafts & Chucks

Light-Weight Lug Shafts

EMT has reduced the weight of the three inch lug-style air shaft used for non-stop automatic unwind splicers for light to medium duty applications! With 50% of the weight out of the non-drive journal and inner bladder assembly, your operators will be able to remove these shafts quickly and safely.

These shafts have the same high-torque and long-life bladder characteristics of the standard EMT lug style air shafts and at significantly lower weight. The light-weight lug shafts can be used with in many applications and equipment including flying pasters and festoon splicers manufactured by Butler, Enkel, MEGTEC, Jardis, Web Press, Goss, and more.

Multi-Bladder Shafts

EMT's Lightweight Pneumatic Multi-Bladder shaft has a light-weight aluminum extruded body and is equipped with multiple gripping lugs positioned symmetrically around the shaft body. Each lug has an expandable bladder underneath it. When the bladders are inflated, the lugs extend out of the shaft body and grip the core. The lugs run the length of the shaft body making this shaft ideal for narrow or multiple narrow rolls. As an option, the shaft can be equipped with a rotating union for continuous air supply. Each shaft is custom made to your specific requirements.

For a downloadable guide on how to measure for core holding products, visit our download center.

Multi-Bladder Shaft

The MB Series multi-bladder shaft now has a lateral adjust option for cantilevered installations in narrow web applications. Available in diameters from 3" to 12", the MB Series with built-in lateral adjust allow operators to quickly and easily change the position of the web while the machine is still running. While the shaft is rotating, an operator simply holds the adjusting knob with one hand and turns the adjusting screw with the other. This unique feature allows the machine to continue running while making line adjustments in the axial position of the web.

Lateral adjust shafts are easy to clean and designed for use in food-grade, label, packaging, and laminating machine operations. The MB Series multi-bladder shaft is equipped with individual full-length lugs positioned symmetrically around the shaft body. Each lug has an expandable bladder underneath it. When the bladder is inflated, the lug extends out of the shaft body and grips the core. An air valve located at the end of the shaft is in axial or radial position depending on the application. As an option, the shaft can be equipped with an EMT Rotating Union for continuous air supply. Each shaft is custom manufactured per application. Contact us today about the MB Series shaft!