How to Choose Anti-static fiberglass spiral chute?

An efficient and effective design that utilizes gravity and skatewheels to move trays from one level to another. Each module has a flat bottom with vertical sides to contain the trays/totes and assist in maintaining tray/tote orientation. Product descent is controlled through the unique spiral design. It is constructed out of durable hand-laid fiberglass and is an inexpensive alternative to conventional equipment.

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These design factors include flow rate, pitch, diameter, material, intended use, and environment. How do you choose the correct spiral gravity let down chute for your product? You test it. And, you test it again. Testing on spiral gravity chutes is very important because all products flow down differently. So come to Astro and experiment on our three samples, here at Astro in Hanover, MN. We would love to assist you in the right design because we care!

• 18&#; OUTSIDE DIAMETER
• 30&#; OUTSIDE DIAMETER
• 54&#; OUTSIDE DIAMETER

Testing the Flow Rate, Pitch and Diameter

It is important to know what flow rate you are trying to achieve. This is in order to design a spiral that can achieve it. Therefore, how your product behaves sliding down the chute is the biggest influence to take into account. The whole system is designed around this key element. The required pitch must be finessed to achieve the desired amount of flow that is needed, given the diameter of the chute.  The flow rate is the function of the width, and the pitch you can get on it.

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The right pitch is needed for your product to flow faster, but at a safe speed for minimal breakage of the items. This pitch has much to do with how a flight is stretched. The more you stretch it, the more you get a larger pitch.  However, there is a limit to how much a given size flight can stretch.

Spiral Gravity Chute Material

Our spiral chutes are made with either stainless steel or mild steel. It depends on the intended use and environmental factors, of course.  Do you require food grade vs non-food grade material? Plus, consider temperature and atmosphere when choosing the material and finish.

Common Products to Test on Spiral Gravity Chutes

• Raw and roasted coffee beans
• Peanuts, cashews, nuts & seeds
• Fertilizer
• Packages
• Snacks & candy
• Crackers & cookies
• Dry pasta
• Cereals
• Grains
• Frozen prepared foods, i.e. frozen burgers
• Pet food & animal treats
• Airport baggage handling
• Parcel handling

Collaborative Design on Chutes

Designing spirals is not an exact science. That&#;s why we&#;re here to assist you. All our spiral chutes are customized and fitted precisely to each unique environment and specification. Our team collaborates with our customers on design, fabrication, and implementation. Plus, there are virtually no limitations on the length of our spirals.  However, maximum length of a spiral chute in &#;one piece&#; is 40&#;.

Want more information on Anti-static fiberglass spiral chute? Feel free to contact us.