Creative Uses for the Line Vac Air Operated Conveyors

Last week a customer called in looking for some help in solving a minor issue in the plant. The customer is a specialist in the filament winding business making all types of products from many types of fibers, such as Polyester, Nylon, Nomex®, PTFE and Kevlar®.

At the end of a run, there will be a small amount of thread left on several bobbins.   There is not enough thread to save for a future run, and so the customer has to strip the remaining thread off, to be able to reuse the bobbin.

I remembered that an EXAIR Application Engineer had done some testing on thread, using a Line Vac to pull and unwind a spool. See here for that demonstration.

The customer sent me the below photo, helping us to visualize the application better, and then went even further by shipping a couple of sample bobbins with some thread still remaining.

After running a few tests, it was determined that the smallest Line Vac available , the model 6078 – 3/8″ Aluminum Line Vac, produced the fastest results due to the narrow throat diameter in conjunction with the thin thread.  A brief demonstration of the test can be found below.

Using just 5.6 SCFM at 80 PSIG of compressed air, the Line Vac quickly unwound the bobbin, providing a simple, cost-effective way to automate what had been a tedious manual process.

The Line Vac conveyor are ideal for moving large volumes of material over long distances, using a small amount of compressed air. The material flow rate is easily controlled by use of a pressure regulator.  No moving parts or electricity assures maintenance free operation.  EXAIR offers the Line Vac in sizes from 3/8″ up to 5″ in diameter, in materials including aluminum, Type 303 and Type 316 Stainless Steels, and a Heavy Duty model with hardened alloy construction.

To discuss your application and how a Line Vac or another EXAIR Intelligent Compressed Air Product can help your process, feel free to contact EXAIR and one of our Application Engineers can help you determine the best solution.

Brian Bergmann
Application Engineer

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