Precision Size-Reduction Equipment Since 1952
Herbold Meckesheim GmbH has been engineering granulators, shredders, and washing systems for the plastics recycling industry for over 70 years. Virtus Equipment Direct stocks compatible replacement knives for Herbold machines and ships them across North America.
Built in Germany. Trusted Worldwide.
Herbold Meckesheim GmbH was founded in 1952 in Meckesheim, Germany. From the beginning, the company focused on building size-reduction machinery for industrial applications. Over the following decades, Herbold became one of the leading manufacturers of granulators and shredders for the plastics recycling industry.
Today, Herbold machines are used by plastic processors, recyclers, and manufacturers across Europe, North America, and beyond. Their product line covers everything from compact beside-the-press granulators to heavy-duty shredders capable of processing large plastic lumps, pipe, and profile.
Virtus Equipment Direct stocks compatible replacement knives for Herbold machines, shipped from Fort Myers, FL directly to customers across North America.
Herbold Size-Reduction Machines
Herbold produces a full range of granulators and shredders for the plastics recycling industry. We stock replacement knives for all of the machine types listed below.
Low Speed Granulator
Herbold Low Speed Granulators are designed for size reduction of soft to medium-hard plastics at low rotor speeds. The slower cutting action reduces noise, dust, and fines while producing a uniform granulate. Commonly used for film, foam, and flexible plastic materials.
Central Granulator
Central Granulators are high-throughput machines designed to handle large volumes of plastic material from multiple production lines. They are built for continuous operation and are commonly used in central recycling stations within manufacturing facilities.
Heavy Duty Granulator
Herbold Heavy Duty Granulators are built for processing thick-walled, rigid, and hard plastic materials. They feature reinforced cutting chambers and heavy-gauge rotors to handle demanding applications including automotive parts, thick sheet, and industrial scrap.
Combination Shredder and Granulator
The Combination Shredder and Granulator integrates a shredder and granulator into a single machine. Large plastic parts are first shredded into smaller pieces, then granulated to a consistent output size. This two-stage process reduces wear on the granulator and improves throughput efficiency.
Besides the Press Granulator
The Besides the Press Granulator is a compact machine designed to sit directly next to an injection molding or extrusion press. It grinds sprues, runners, and edge trim in real time, returning regrind directly to the production process and eliminating the need to collect and transport scrap.
PVC Pulverizer
Herbold PVC Pulverizers are designed specifically for grinding PVC and other temperature-sensitive materials into fine powder. The controlled cutting action minimizes heat buildup, which is critical for maintaining PVC quality and preventing degradation during processing.
Multi-Purpose Shredder
The Herbold Multi-Purpose Shredder handles a wide range of plastic materials and product forms. It is used for pre-shredding bulky items before granulation, processing mixed plastic waste streams, and reducing large volumes of scrap to a manageable size for downstream processing.
Plastic Lumps and Purge Shredder
Designed specifically for processing plastic lumps, purge material, and startup scrap from injection molding and extrusion operations. These machines handle the dense, irregular shapes that standard granulators struggle with, reducing them to a size suitable for regrinding or disposal.
Pipe and Profile Shredder
Herbold Pipe and Profile Shredders are built to handle long, rigid plastic sections including pipe, profile, and sheet. The cutting chamber geometry and rotor design are optimized for feeding and processing these difficult shapes efficiently without jamming or excessive wear.
The Knife Is the Heart of the Cutting Chamber
Every Herbold granulator and shredder relies on precision-ground knives to do its work. The rotor knife and stator knife work together to shear plastic material cleanly and consistently. When knives are worn, improperly sized, or made from inferior steel, the entire machine suffers.
Worn or substandard knives widen the cutting gap, which increases fines, reduces granulate quality, and forces the motor to work harder. This raises energy costs, accelerates wear on other machine components, and eventually requires more frequent shutdowns for maintenance.
Virtus Equipment Direct supplies precision-ground replacement knives compatible with Herbold machines, ground to match the dimensional specifications your equipment requires. When your machine is down, the right knife shipped fast is the fastest path back to production.
Need Replacement Knives for Your Herbold Machine?
We stock Crown Cutter, Rotor, and Stator knives for all major Herbold machine types. Call our parts specialists or shop online now.