A Brief Overview of Weigh Belt Feeders

For a wide variety of product kinds, weigh belt feeders are the perfect material handling and metering device. Since the weigh belt feeder works best in applications with mid-to-high rates, they are usually the bulk materials in a production process.

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Granular powders, pellets, or flakes—materials that are often very fee-flowing—perform well on this kind of gravimetric feeder. Belt feeders are not a good fit for particularly free-flowing goods since they will often flush through instead than sit properly on top of the conveyor belt.

The Weigh Belt Feeder’s Key Features

The weigh belt feeder’s primary components are:

The bulk material is fed into the belt at the intake feed area.

The actual conveyor belt, which is often rather brief.

the weighing apparatus that weighs the goods being passed via the belt.

The conveyor belt speed is adjusted by the motor and speed control system.

The belt scraping/cleaning mechanism and output area guarantee that the product flows properly onto the downstream machinery.

The Weigh Belt Feeder’s Operation

The weigh belt controller determines the feeder’s real throughput by constantly weighing the product across a predetermined belt length and the conveyor’s speed.

After that, it will modify the conveyor’s speed to meet the intended feedrate, making tiny speed adjustments to maintain the setpoint rate.

An precision of around ± ½% of the setpoint may be attained with the correct materials.

The ability to precisely weigh the belt such that its weight is subtracted from the feedrate calculation is one factor that affects accuracy.

In order to provide more constant weighing accuracy, materials should preferably not flood or clump and instead produce a nice even profile on the belt.

materials that accumulate over time without coating the belt, which lowers accuracy. With the right outlet and belt scraper combination, this is usually avoidable.

Weigh Belt Feeder Advantages

The weigh belt feeder is under gravimetric control for nearly the whole working cycle since the weighted portion of the device does not need to replenish, unlike a loss-in-weight feeder.

Compared to the corresponding loss-in-weight feeder, the machine has a smaller footprint and less headroom for feeders with large throughputs. They are frequently applied to greater volume materials because of this.

If the material is not dusty, an open-sided system enables operators to see that everything is functioning properly. The system may be supplied with both fully enclosed and open-sided housings.

A belt conveyor is frequently a far better option than a screw feeder if the product needs to be handled gently since the product experiences very little mechanical activity as it moves through the system.

Considerations for Weigh Belt Feeders

There are a few places where you should think about if the weigh belt feeder is the right tool because no feeding system is flawless. These consist of:

There may be accumulation around the weighing mechanism and other parts that are positioned around the conveyor belt for extremely dusty and/or sticky items.

A conveyor belt often requires more maintenance during its lifetime than a screw feeder, and the weigh belt has to be checked and replaced sometimes.

The material might not create a deep enough bed to be precisely weighed if it is extremely light.

All of these issues may be resolved with your material, and if necessary, we can set up product testing to guarantee the right feeder choice.

Recognizing the differences between a belt weigher and a weigh feeder

Knowing the distinctions between belt weighers and weigh feeders is crucial for material flow monitoring on conveyor systems. Let’s investigate these technologies and their unique benefits.

Belt weigher: Tracking moving material mass

A crucial component of the majority of bulk material handling facilities are belt weighers, sometimes referred to as belt scales. A belt weigher measures the belt speed and weights the belt load in order to weigh goods on a moving conveyor belt. On a moving conveyor, these dynamic scales show the rate at which bulk materials pass a certain position. Mass per time incorporates both the belt load and speed. Important attributes and uses consist of:

Essential features and uses:

calculating the mass of the product being moved on the conveyor or the flow rate.

can be applied to a variety of tasks, including load out, control weighing, flow indication, lawful trading, and totalizing.

Simple conversion to a new or existing belt conveyor system.

Weigh feeder: Accurately controlling the flow of materials

A weigh feeder, on the other hand, actively controls the material flow rate in addition to measuring the material quantity. This technology is perfect for businesses like cement production, food manufacture, and animal feed and grain processing that need exact control over feeding processes. Important attributes and uses consist of:

Essential features and uses:

preserving steady material flow rates to provide the best possible uniformity in manufacturing.

reducing feed rates to increase process efficiency.

ensuring precise material mixing throughout production operations.

Making the goal different

Both systems use a conveyor belt to measure the weight of materials, although they have different uses:

A belt weigher measures the overall weight of materials after a predetermined point.

By continually modifying the belt speed to maintain the required material flow rate, the weigh feeder provides dynamic control.

The choice between a weigh feeder and a belt weigher is based on the particular operating requirements of an industry. We provide customized solutions that enable enterprises with accuracy and efficiency in material handling, whether you need careful material quantity tracking or precise management of production processes.