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Can I Accumulate Vertically To Create a Buffer/Accumulator For My Pallet Handling Conveyor System?

Posted by Craig Newberry | Monday, October 29, 2018

In the engineering world, you normally think you move things horizontally on a flat plane and you lift devices using an elevator (a vertical transport unit, or VTU). Typically, you wouldn’t think to use conveyors to move anything vertically, other than maybe returning empty pallets to the front of the line, or in similar use cases. Applying conveyors to move things vertically is a new way of thinking. These are some examples of different VTUs and recent ways our integrator clients have creatively implemented our conveyor applications to create a buffer for their pallet handling conveyor systems.

 

Dual Deck VTU  

Dual Deck VTUA dual deck VTU  is two conveyor decks, contained within a single VTU footprint, which can go up/down simultaneously. You are even able to drive each deck individually (our dual- or multi-axis VTU lines make this possible).The possibilities for this application as an actuator are endless.


VTU INNOVATION IN ACTION

Dual deck VTUs  are used by many of our integrators’ clients for inspection and quality control. While a specific pallet, tray, or product to be inspected is elevated to head level using the first lift, good product can continue to move through underneath. This actuation off the main line prevents the inspection phase from slowing down production.



Multiple Positions in a Servo-driven Conveyor

A servo-driven conveyor can be programmed to stop at multiple positions, customizable to the millimeter, within a lift stroke. This innovative use of stepper- or servo-driven motors allows for multiple stops along a conveyor and in an elevator, instead of just two stops, which is traditional. Most other elevators are pneumatic-driven using a cylinder; it’s difficult (if not impossible) to have more than two accurate pallet stop positions. With a stepper or servo-driven system, the motor has a built-in position encoder, so it knows how to accurately stop at an exact spot and can stop within an elevator as many times as needed, in any increment needed.

This is especially good for delicate products or products requiring precision movement, such as for moving liquids. With a stepper or servo-driven conveyor programmed for multiple positions, you’re also able to start slowly and ramp up the speed, then slow down slowly without launching the product (thanks, Newton’s First Law of Motion).


VTU INNOVATION IN ACTION

One customer embraced the “build up rather than out” philosophy and we helped them create multi-level storage systems for product totes. They’re using an inventive version of the Glide-Line 360 to load and unload products into a large, multi-level cell-beam system using multiple positions in servo-driven conveyors able to stop at any location.  



Accumulating vertically by creating a buffer above the main line of your clients’ pallet handling conveyor system is just one of the innovative ways we’ve used pallet VTUs. Read more in our ebook Innovative Ways to Create Customized Lifts and Vertical Conveyors.

 

Download the ebook: Innovative Ways to Create Customized Lifts & Vertical Conveyors. Click Here.

Topics: Vertical Transport Conveyors

Written by Craig Newberry

Craig Newberry is a Product Specialist for Glide-Line. His past involvement in a variety of competitive sports along with current passion for obstacle course races spills over into his desire to drive business forward. Concurring challenges is what motivates him on daily basis, while his family is what fuels his desire to succeed in life. Although a bit of an adrenaline junky, he also tries to live by a brilliant statement made by Ferris Bueller “life moves pretty fast, if you don’t stop and look around once in a while, you may miss it.”

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Glide-Line offers the most versatile multi-strand panel and pallet-handling solution available for the assembly automation industry.

We solve problems that other conveyor systems manufacturers won’t. We developed Glide-Line from the ground up with a few key, driving factors in mind. First, our conveyors had to be robust and reliable. Second, they would be simple – easy to maintain and service. Finally, we insisted on flexible configurability, creating an efficient, hassle-free customer experience. We’ve built the most versatile multi-strand panel and pallet-handling solution available for the assembly automation industry.

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