News

  1. Why Is My Granulator Jamming? 7 Common Causes and How to Fix Them

    Quick Response If your granulator is jamming, the most common causes are overfeeding, dull or improperly adjusted knives, clogged or damaged screens, poor evacuation, improper feeding conditions, material buildup in the cutting chamber, or inadequate preventive maintenance. In some cases, the granulator may also be undersized for the material being processed. These issues can restrict…

  2. Choosing the Right Granulator Screen Size: How It Affects Throughput and Regrind Quality

    Quick Answer Granulator screen size directly affects both throughput and regrind quality. Smaller screen openings produce more uniform particle sizes but can reduce throughput, while larger openings generally increase throughput and reduce fines generation. When processors think about improving granulator performance, they often focus on rotor designs, knife configurations, or machine horsepower. However, one of…

  3. How Often Should Granulator Knives Be Sharpened? Signs It’s Time for Maintenance

    Quick Answer Most granulator knives are sharpened based on machine performance rather than a fixed schedule. If you’re seeing more dust, lower throughput, inconsistent regrind, or higher amp draw, it may be time to inspect and sharpen the knives. If your granulator is producing more dust than usual, struggling to maintain throughput, or drawing more…

  4. Why Is My Granulator Producing Too Much Dust? Common Causes and Solutions

    Quick Answer Excessive dust from a granulator is most commonly caused by improper knife gap, dull knives, screens that are too small, worn screens, material characteristics, poor material evacuation, or machine setup issues. According to Cumberland representatives, the knife gap is often one of the most important factors. When material is torn instead of cleanly…

  5. Lab Testing That Guides Your Size Reduction Choice

    In plastics processing, there is no room for uncertainty. You need to know that your equipment will perform with your exact material, hit your throughput targets, and stand up to daily demands. That is why Cumberland offers hands-on material testing at our Technology Center in New Berlin, WI. We help you confirm performance before making…

  6. 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….

  7. Cumberland Granulators Support KW Plastics

    Introduction At Cumberland, we take pride in our longstanding partnership with KW Plastics, the world’s largest recycler. Over the past 30 years, we have worked together to pioneer a revolutionary recycling solution that drives sustainability and profitability. Our heavy-duty granulators have been instrumental in helping KW Plastics achieve impressive throughput rates and reinforce the environmental…

  8. A Recycling Game Changer- Cumberland’s FX Series

    Why Cumberland’s FX Series is a Recycling Game Changer In the ever-evolving world of plastics recycling, efficiency and reliability are paramount. Cumberland’s FX Series granulators stand out as a true game changer, offering unparalleled features that address the industry’s most pressing needs. Easy Access: The FX Series is designed with user convenience in mind. It…

  9. Bob Deitrick’s Journey to VP of Sales at ACS Group

    Discover how Bob Deitrick overcame personal challenges to become the VP of Sales for ACS Group. His story, from fulfilling his father’s wish to joining the Navy to leading sales at top companies, is truly inspiring. Learn more about his career and the passion he brings to the plastics industry. Read the full article: Bob…

  10. Shredders vs. Granulators: Choosing the Right Tool

    Are you struggling to decide between a shredder and a granulator for your plastic processing needs? Canadian Plastics offers valuable insights and guidance in their article. Understand how to effectively manage your plastic scrap, reduce costs, and support circular economy initiatives. This comprehensive guide highlights the key differences between shredders and granulators, helping you make…

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