Technical Resources

Granulator Knowledge Base

Technical insights on granulator knife maintenance, machine selection, and plastic size reduction — from the team at Virtus Equipment Direct.

01
Maintenance8 min readJune 2026

Granulator Knife & Screen Maintenance: Warning Signs, Schedules, and the Cost of Waiting

Dull knives and worn screens don't fail suddenly — they degrade gradually, costing you in fines, energy draw, and throughput long before the machine stops. Learn the warning signs, the maintenance schedule, and what waiting too long actually costs your operation.

Read full article on Virtus Equipment
02
Buying Guide7 min readMay 2026

Why Sending Your Material to a Testing Facility Is the Most Valuable Step Before Buying Size Reduction Equipment

Machine specs tell you what equipment is capable of. A material test tells you how your specific material — in your specific form and geometry — actually behaves on that machine. Here is what the testing process reveals that no brochure can.

Read full article on Virtus Equipment
03
Equipment Selection6 min readJune 2026

Beside-the-Press vs. Central Granulation: Which Setup Fits Your Plant?

The choice between beside-the-press and central granulation affects knife wear, regrind quality, labor, and floor space. This guide breaks down the tradeoffs so you can match the right granulation strategy to your production environment.

Read full article on Virtus Equipment

More articles on the Virtus Equipment blog

The full blog covers shredder vs. granulator selection, recycling process guides, material testing, maintenance schedules, and more.