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Granulator Guide: Size Reduction for Plastics Reclaim

Granulators aren’t just about reducing scrap. They boost efficiency  and lower overall production costs. Choosing the right model starts with understanding how your operation works and what kind of material you process.

Since 1939, Cumberland has specialized in size reduction. We offer one of the most extensive lines of granulators and shredders in the industry. Whether you’re reclaiming sprues beside the press or breaking down large purgings, here’s how to find the granulator that best fits your process.

 

Understand Your Operation: Start with the Right Questions

Before you select a granulator, evaluate your process. Do you mold small parts and need immediate reclaim at the machine? Or do you handle bulky scrap in batches? Your answers help determine the best fit.

Cumberland builds granulators for every type of operation, from compact beside-the-press models to rugged, high-capacity systems. We consider key factors such as throughput, resin type, part size, and how the granulator integrates with your existing equipment when selecting the appropriate model for your unique application.

 

Beside-the-Press Granulators for Resin Reclaim and Plastics Processing

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Cumberland engineers its beside-the-press granulators for efficient resin reclaim directly at the molding or extrusion machine. These compact systems reduce scrap and return high-quality regrind into your process, all without disrupting production.

The FX Series, including the FX700, FX1000, and FX1600, features wide-open rotor access for quick cleanouts and knife changes. You can monitor material throughoptional viewing windows and have added piece of mind with available category 3-redundant safety circuitry. Each model ensures durability, easy integration, and operator-friendly maintenance.

For operations that prioritize quiet performance and reduced dust, the S10 Series Screenless Granulator uses a slow-speed rotor to produce consistent, clean regrind with minimal fines. Its compact footprint and stainless-steel components make it ideal for sprue and runner reclaim in sensitive environments.

From compact molding setups to high-volume reclaim, Cumberland’s beside-the-press granulators support clean, efficient, and sustainable production.

 

Central Granulators for High-Volume Size Reduction

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Processors managing large parts, high volumes, or mixed scrap types rely on Cumberland’s central granulators for power and flexibility. These systems support high-capacity reclaim operations with configurable cutting chambers and multiple rotor styles.

The T50 Series handles appliance housings, blow-molded parts, and large scrap with ease. You can choose tangential designs for efficient scrap ingestion or offset configurations for pre-shred, films and sheet materials. Maintenance becomes faster with front and rear access doors, linear actuators, and a rotor lock for use during knife adjustments.

The X Series increases efficiency through its TwinShear rotor, which uses a scissor-style cutting action to reduce energy use without sacrificing throughput. Its split chamber opens hydraulically, allowing quick, safe access for knife changes and cleaning. Even better, you won’t need to disconnect evacuation piping during maintenance.

Whether you’re managing a centralized reclaim line or looking for a more robust solution, Cumberland’s central granulators provide consistent regrind, energy efficiency, and long-term reliability.

 

Heavy Duty Granulators for Plastic Scrap Recycling

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When you work with thick purgings, bulky cross-sectional parts, or low-density fiber, Cumberland’s heavy-duty granulators provide the strength you need. These systems run continuously and handle the most demanding size reduction tasks with ease.

The B Series stands out for its rugged construction and versatility. It’s ideal for tough materials like low-density fiber or heavy purgings. With various configuration options, the B Series supports many throughput targets.

The C Series steps up to tackle high-volume scrap with ease. These models are built for heavy-duty applications where size, density, and material variation demand extra power and durability.

At the top of the range, the 3200 Series is engineered for maximum throughput and performance. Ideal for pairing with shredders in two-stage systems, it is Cumberland’s largest and most robust granulator line, built to recover high volumes of material quickly and efficiently.

No matter the challenge, Cumberland’s heavy-duty granulators deliver long-term performance and high-quality output across the board.

 

Thermoforming Granulators and Feedroll Systems for In-Line Reclaim

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Thermoforming lines need fast, uninterrupted scrap reclaim. Cumberland’s thermoforming granulators and feedrolls deliver just that. These systems support continuous operation from startup through full-speed production.

The 1400 Series granulators are purpose-built for thermoforming lines, offering consistent regrind quality across a variety of materials, draw depths, and production speeds. Backed by decades of experience, these systems are optimized for uptime, cleanout, and output reliability.

Cumberland also offers a full range of feedrolls designed to pair with its granulators:

  • The FRC Crusher Series features oversized knurled rolls to handle large-draw formed sheet with high capacity and minimal downtime. Its robust drive system and quick-adjust features help extend roll life and reduce jams.
  • The FRE Edge Trim Series is ideal for narrow sheet strips, working either inline or offline. It can be paired with multiple granulators and configured to handle multi-roll setups efficiently.
  • The FRV Versatile Series supports a wide range of applications, from thin films to heavier-formed parts. With self-adjusting strippers, reverse drive, and custom infeed options, it is a flexible solution for evolving thermoforming needs.

From edge trim to deep-draw reclaim, Cumberland’s thermoforming solutions are designed to keep your line running efficiently, with high-quality regrind and dependable performance.

 

 

Find Your Fit: Choose the Right Solution for Your Line

No matter your process, Cumberland offers a solution that can meet your throughput goals and support long-term performance. From compact machines at the press to high capacity reclaim systems, our equipment is designed to handle the demands of real-world production environments.

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