Granulator Types

Explore this comprehensive guide to plastics granulator types to find the perfect solution for your granulation needs.

Beside-The-Press Granulators

Beside-the-press granulators can integrate into any molding or extrusion operation for resin reclaim directly at the side of the press. They lend themselves particularly well to shorter production runs where the material regrind must be separated for each subsequent setup. Service accessibility is important to make cleaning and knife changes quick and easy. Granulator options such as viewing windows on the hopper offer the opportunity to watch material being processed. This gives you the ability to gauge how full the cutting chamber is and verify consistent material flow without having to shut the machine down.

FX1628 Beside The Press Lab Testing

Cumberland's FX1628 Beside The Press Graunlator shows how to make easy work of 5 Gallon Blow Molded Water Jugs.

Cumberland Beside the Press Granulators

Beside the Press Granulators allow easy access to the screen cradle and cutting chamber. The rotor is wide open, making cleaning and knife changes quick and easy.

Beside the Press Granulator Testimonial

Teel Plastics transformed their regrind workflow and reduced lost material by 28,000 pounds per year. And that was just the beginning.

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Here a Cumberland FX1018 beside-the-press granulator is also cutting up HDPE tubes.

This video shows a Cumberland FX716 beside-the-press granulator cutting up gas-blown HDPE tubes.

Screenless granulators are now for high quality regrind in sprue and runner reclaim applications.

Top 5 Reasons to Consider a Beside-the-Press Granulator

How to determine if a beside-the-press granulator is right for your operation.

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Central Granulators

Central granulators offer the flexibility to process large volume parts, with the capability to configure the cutting chamber to granulate higher density parts. They are effective for applications ranging from large injection or blow molded scrap to furniture components to appliance parts. Tangential or offset geometries are available, allowing you to create a machine specially configured to your process needs. The tangential design offers the capacity to process many types of scrap with improved ingestion at a lower power requirement, while the offset design allows for higher throughput of lower density parts. High quality output makes it easier to utilize the maximum amount of recycled material in your process.

Cumberland T50 Series Central Granulators

Cumberland’s T50 Series Granulators offer strong, versatile, and reliable performance. With a full range of size and design options to choose from, the granulators are the best choice for applications ranging from large injection or blow molded scrap, furniture components and appliance parts. The tangential design offers the capacity to process many types of scrap with improved ingestion at a lower power requirement, while the offset design allows for higher throughput of lower density parts. Energy efficiency paired with heavy-duty design and ease-of-maintenance results in a granulation system with a low total cost of ownership.

Thermoforming & Under-the-Press

Thermoforming granulators are designed for inline and offline processing of flat materials, like thermoformed scrap, as well as non-conforming parts. In a typical inline application for packaging or cups, thermoformed sheet material moves thorough the trim die operation and edge trimming machine. Then the skeletal web is roll-fed directly into the granulator. Start-up scrap and defective parts can be input through the primary hopper (or an optional a secondary hopper) after going through crush rollers. The flattened material is then metered by the feed rollers, before going into the granulator. The granulator is sometimes positioned directly inline on the same level as the as the thermoform line and trim station. In “under-the-press” applications the granulator is positioned in a pit below the trim station.

VIDEO: Cumberland Thermoforming Granulators & Feedrolls

Cumberland’s Thermoform Series granulators are have built-in capability for continuous or cut sheet scrap reclamation and are particularly well suited for inline processing of thermoformed scrap. These granulators offer a wide range of capabilities for continuous scrap reclamation. Newly designed infeed systems ensure smooth processing of materials from startup through full-speed operation.

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