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Concentric Shaft – Air or Mechanical

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Concentric Shaft – Air or Mechanical

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Summary

Concentric Shaft – Air or Mechanical

The Convertech Concentric Shaft is available in many variations. Some are simple air shafts with larger body diameters or ledges to help hold the core more centered (concentric) on the shaft. Others are air-mechanical where a piston pushed mechanical expanders that center the roll. Yet others are fully mechanical and can be used in vacuum environments.

Features

The Concentric Shaft is truly a custom shaft that fits your purpose and ensures a smooth running core. This shaft has specific designs for wide and narrow web, light and heavy duty, and high torque shafts. The air, mechanical or mixed designs also assure concentric rotation of the cores. There are also lug and leaf styles available depending on the application.

The Concentric Shaft can be designed with face lengths up to 80” and diameters from 70mm to 6” but is able to use an adapter to hold up to 12” diameter cores. Some Convertech Concentric Shaft features a fail save operation, where their natural state is expended and air is used to retract the expanders to allow roll changes.

Customization

Our Concentric Shafts are custom designed to fit your specifications. When placing an order for Concentric Shaft, we ask that you specify whether you need a quote for the double journal version so that we can make sure your Concentric Shaft fits your needs and specifications.

As with all of our shafts, we guarantee that your Concentric Shaft will be designed and manufactured to the same tolerances as all of our industry’s leading shafts.

Availability

Please contact us for a more specific lead time, to request a quote, or if you have other questions.

Product Information

Specifications

  • Specific designs for narrrow web, wide web, light duty, heavy duty, and high torque
  • 70MM to 6” diameters
  • Use adapters to hold up to 12” diameter cores
  • Face lengths to 150”
  • Concentricity and control without a bladder
  • Fail safe operation
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