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Weighing Systems & Scales

Innovations in weighing systems for static and dynamic weighing of dry bulk materials

What is a weighing device best for your application? The key factors are how you transport the dry bulk material and the material characteristics. In addition, you will want to consider what you are looking to get from your weighing system. Weighing technology can be integrated into dry bulk material processing operations to ensure accurate material delivery. Gain efficiencies, improve effectiveness and ultimately run more profitable operations with the correct weighing technology.

weighing systems and scales - innovations

Bulk material weighing systems are often fast, fluid, and flexible. They handle large volumes of products to weigh regularly and must withstand higher amounts of weight. The latter is called a weight capacity. More than a few businesses need to implement bulk weighing solutions, and they require products to be moved fast that are often too heavy for human operators to carry and weigh on their own. Usually, there is a high demand for efficiency, which load cells support in modern scales for this purpose.

The weighing of bulk solids has seen use in different industries and businesses. The agriculture industry is one of them. The grains we eat are often weighed in bulk systems, such as rice, wheat, oats, and quinoa. These are often loose because grains don’t weigh much. Bulk weighing systems are also seen in the travel industry. The weighing systems and scales are often used in airports to sort checked-in luggage.

Dynamic weighing is essential in many industrial processes that involve managing a continuous variable weight. An example is weighing a product on a conveyor belt. At the point of weighing, the material could be on the weighed section of the belt for only a couple of seconds. Dynamic weighing equipment can be divided into three main categories. These are:

  • Discontinuous weighing systems
  • Discontinuous totalizing weighers
  • In-motion weighing systems

Discontinuous weighing systems

An example of weighing equipment of this type is the process batch weighing systems. These systems range from single weigh vessel systems where each ingredient is weighed sequentially and layered into the weigh hopper to complex weighing systems where ingredients are weighed simultaneously.

Discontinuous totalizing weighers

The equipment used in grain or rice milling is called the in-process weighers. Their primary use is to determine both the short and long-term cumulative weights of a product stream.

In-motion weighing systems

The belt and feeder weighers are part of this category. Conveyor belt systems are used to transport a wide range of powders and granular materials continuously. These kinds of equipment are most commonly used in agricultural, mining, pharmaceutical, and food processing industries.

With static weighing, the goods or products are stationary when being weighed on these scales. Usually, there is sufficient time for the measurement process to stabilize before readings are taken. Examples include floor and hopper scales, platform scales, and bench scales. Static weighing is often time-consuming because the goods are weighed once they are completely stationary. But this produces high levels of accuracy and simplifies the weighing process.

The static weighing accuracy is defined as the ability of the scale to perform its weighing functions within an acceptable tolerance.

Static weighing has been used in many industries, such as the transport and travel industry, food, recycling, waste, check weighing applications, cement and materials, and many more industries.

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Experts for Weighing Systems & Scales

George Bougioukas, Plant Manager of Acmon systems has over a 20 years of experience in plant process design for both mechanical and automation engineering in a wide range of industrial sectors. He has gained a unique knowhow of cross-cutting technologies and applications bringing the organization to reach a new industrial value chain era. George’s expertise includes applications ranging from reception and storage of raw materials, pneumatic and mechanical conveying, sieving, weighing and dosing, mixing, up to bagging and final product dispatch. Behind George there is a dedicated team of engineers who like him are constantly striving to improve design and performance of all plants Acmon systems has been delivering all around the globe for the last 30years on a turnkey basis.
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Aristidis Melios is the General Manager at Vraykos & Associates Mechanical Ltd. He holds a Diploma in Mechanical Engineering from National Technical University of Athens, and has more than 30 years of experience in design, engineering and manufacturing of bulk materials handling systems in food industry in Greece and Balkans area. Mr Melios is an expert in managing industrial projects that concern mechanical or pneumatic conveying, weighing & dosing, mixing, dedusting, screening and storaging of food bulk products. He has the experience needed to create a cost efficient turn-key solution for every bulk materials industry. The last years leads the Vraykos company engineering team with success, inserting new ideas and technologies in the field of bulk materials handling systems.
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Todd Messmer is the Product Manager for the Schenck Process Weighing and Feeding Product Line in North America. He has 21 years of Applications Engineering experience customizing and designing Screw Feeders, Weighbelts, Vibratory Feeders, Flow Meters, and Bulk Bag Unloaders into customers’ processes. Todd has worked with a diverse range of companies in the Food, Plastics, Chemicals and Pharmaceutical industries and has written several articles for key industry publications. He holds degrees in both Electronics and Marketing and currently manages a team of Applications Engineers for Schenck Process. Expert in Screw Feeders, Weighbelts, Vibratory Feeders, Flow Meters, and Bulk Bag Unloaders.
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Since 2016, David Hyer has served as the President and General Manager of Thayer Scale and is responsible for daily operations. In 2013, he rejoined the company after serving as the division manager of the circuit-board test and inspection business at Teradyne. His professional experience includes senior management positions in sales and business development at Teradyne and two venture capital-backed startups. His first position was with Thayer Scale in 1985 as a college student writing machine-level code for the PI-164 instrument. David has expertise in the design and manufacture of market-leading conveyor belt scales and gravimetric feeders. With an unyielding focus on product line specialization and quality, the company’s portfolio of products and customized solutions are tailored to the unique requirements of its three key segments; Food, Energy & Building Products, and Chemical & Industrial. David holds a Bachelor of Science in Electrical Engineering from Tufts University. He is married with three children and enjoys tennis, golf, and spending time on his boat.
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Chuck Johnson is the director of sales at National Bulk Equipment, located in Holland, Michigan. His professional experience includes over 25 years in the design, engineering, & sales of bulk material handling equipment & systems. Johnson holds a BS in mechanical engineering from Michigan State University.
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Weighing Expert at Hense Wägetechnik GmbH. Know-How and experience: Extensive experience in development of different types of belt scales, solid flow meters and smart electronic systems for retrofit able weighing systems for silos on steal constructions and skirts. Describe your requirements to Andreas and he will assist you both in planning new systems and in improving the efficiency of existing processes.
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