Vibrating Screen Technology
Granule screening machines precisely separate granules by particle size, ensuring consistently high product quality. During production, it is common for individual particles to deviate from the desired size. Our machines reliably screen out this heterogeneous material and optimally prepare it for subsequent process steps.
As a manufacturer, we develop and produce high-performance, reliable granule screening machines for you—customized to your product and its properties.
If you have any questions about the screening process for granules, our SPALECK team will be happy to help!
Customized Solutions for the Most Demanding Requirements
As an experienced provider of Conveying & Separation Technology for recycling as well as applications in the pharmaceutical, chemical, and food industries, we develop custom-designed granule screening machines to meet a wide range of requirements.
We work with you to develop the right Screening solution—from planning and design all the way to the finished system—tailored precisely to your process.
At our SPALECK TestCenter, we analyze your specific requirements in detail. In doing so, we take into account, among other things, the properties of your material, the desired Throughput, and the specific conditions of your plant. Upon request, we conduct preliminary tests with your material to ensure optimal design.
Even after commissioning, we remain a reliable partner—offering comprehensive service, prompt delivery of replacement and wear parts, and flexible adjustments in the event of product changes or capacity expansions.
The video shows a pellet screening machine in operation, used for Control screening of plastic pellets. It clearly demonstrates how agglomerates are reliably removed from the material and how the pellets are evenly distributed across the Screen deck. An integrated cleaning system prevents the mesh from clogging and ensures trouble-free operation.
For you as a customer, this means: consistent product quality, maximum Process reliability, and optimal conditions for the further processing of your granules.
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To ensure that the pellet screening machine can achieve the best screening results, its vibration frequency, screening panels and inclination are optimally adapted to your screening material. At the start of the screening process, the raw material is fed into the granulate screening machine. Thanks to our special feeding technology, the granulate is fed very evenly onto the screening machine. The granulate is then separated into different fractions by the screening machine for granulates using vibrations and oscillations with the help of the screening panels. The screening result is the finest granulate, which you can use optimally.
We would be happy to advise you on how to make the best use of granule screening machines in your operation!
As a manufacturer of pellet screening machines, we know that parameters can sometimes change in the pellet production process. It is therefore important to us that your pellet screening machine can also cope with these changing requirements. We design our screening machines for granulates in such a way that, for example, the screening surface can be changed quickly and easily when changing materials. This means that your employees can change screen linings very quickly on site. At the same time, maintenance is easy. Both minimize any downtimes during pellet screening and pellet production.
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More InformationAdjustment Options for Your SPALECK PELLET SCREENING MACHINE
You can easily adapt and optimize your SPALECK granule screening machine for a wide variety of materials by making the following adjustments:
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More InformationProduction-related oversize grain is reliably and precisely separated by the use of granulate screening machines. The granulate is guided over Screen decks that are precisely matched to the desired Particle size. Particles that are too large – the so-called oversize grain – remain on the screen and are discharged separately, while the dimensionally stable granulate passes through the further processing stage.
The vibratory movements used achieve an even Material distribution on the Screening area. This ensures high screening accuracy, clear separation precision and consistently high product quality. Even with demanding materials or high Throughputs, reliable Control screening is guaranteed.
For special requirements, such as plastic granulates, additional overlength separators can be integrated. These make it possible to sieve out elongated particles particularly efficiently and thus make a decisive contribution to Process reliability and quality assurance.
The ComfortLINE stainless steel screening machines and vibratory feeders are specifically designed for demanding applications in the pharmaceutical, chemical, plastics, food, and pet food industries. They offer maximum ease of operation and cleaning, high Process reliability, and first-class Screening results. Thanks to their intelligent design, sticking is minimized, enabling quick and easy cleaning as well as short downtime.
Here you’ll find the most important questions and answers about SPALECK granule screening machines. Feel free to send us your questions via chat—we’re happy to help!
The precise design of a tension-shaft screening machine is always tailored to the recycled material. Factors such as the composition of the input material, its moisture content, contaminants, throughput requirements, and the recycling goals associated with the input material form the basis for this. Working with you, we define screening sizes, purity requirements, and throughput rates, and use this information to configure the exact machine settings—from screening panels to amplitude and machine features such as the SPALECK FineSideCOVER (FSC) or our MultiDECK technology with a split push rod. Learn more here about our ModularDESIGN+ concept, which we use to find the optimal screening machine for your material. We’d be happy to test the respective recycling material together with you free of charge at the SPALECK TestCenter.
Precise screening of the fine fraction results in clearly defined particle sizes. For example, if the fine fraction ranging from 0 to 10 mm is reliably screened out, downstream sorting equipment—such as eddy current separators, NIR sorters, sensor sorters, and X-ray sorters—operates more reliably and efficiently as a result. In addition, the system’s cleaning requirements are reduced, and higher material purity levels can be achieved. You can see a good example of the benefits of a tensioned-shaft screen in the reference video on municipal solid waste processing at our Swedish customer Tekniska verken. The video demonstrates how a SPALECK tension-shaft screen reduces the load on the downstream eddy current sorters and NIR sorting processes. You can find all the details about the project here.
The service life of screening mats for Flip-Flow screening machines depends heavily on the recycled material, the Recycling process, and factors such as the abrasiveness of the material stream. In many recycling applications, very long service lives are possible. Thanks to our bolt-free, modular clamping system, individual screening mats can be replaced quickly and easily as needed. You can see how this works in the video on our landing page for tension-shaft screen machines. You can get a competitive quote for replacement screening mats through our spare parts service.
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