DG-2000 Expanding Core Shafts in Steel or Aluminum (for multiple slit rewind applications)
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The same design features as the carbon fiber core shaft, with a metal housing.
DG-2000 Expanding Air Shaft Components:
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Double E expanding air shafts use the company's exclusive diamond pattern gripping lugs for gripping the core.
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The lugs' large surface area ensures extra core contact for even better performance.
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The shaft's housing is made from steel or aircraft-grade aluminum (DG-2000), or from various grades of carbon fiber (DLB-2000), depending on application requirements.
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Special corded bladder material resists puncture and abrasion.
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As a result, the air shaft needs little, if any, maintenance and the shaft lasts longer.
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The air shaft's journals are connected using high-strength flathead fasteners, a close tolerance fit, and deep insertion.
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Maintenance is rare, but when necessary it is quick and easy because a press-fit is not used.
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The shaft's stainless steel air valve will never rust. Air shaft journals are custom-manufactured to fit your machine.
DG-2000 Air Shafts
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Competing air shaft bladders are made with a common form of neoprene rubber which requires frequent replacement due to stretching and abrasion.
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Double E air shaft lugs are available with a “diamond-grip” surface in steel, aluminum, or hard rubber, and have been field-proven to provide the maximum gripping performance possible.
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Easy-maintenance journal connection - secured with flathead screws, a close tolerance fit, and deep insertion.
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Competing airshafts often use a tapered press fit, which requires a hydraulic press and heat to remove the journals. Bladder replacement on these shafts can take hours while the bladder of a Dyna–Gripair shaft can be changed in just a few minutes.