Description
The CASTED GRINDER CG450 by KGR Engisol is a robust industrial grinder built to handle the demanding requirements of plastic scrap size reduction in manufacturing and recycling facilities. Engineered with a solid casted body, this machine provides superior structural rigidity and vibration control, which are essential when processing hard, dense, and irregular plastic materials such as PVC pipe waste, profile offcuts, and moulding scrap. The CG450’s design focuses on durability and consistent cutting performance, using a well-balanced rotor assembly and hardened blades to deliver repeatable granule size while minimizing heat build-up. Its spacious feed opening and optimized cutting chamber allow operators to process bulky material efficiently, reducing the need for pre-cutting and improving overall productivity. The machine is also equipped with a replaceable screen to tailor output size based on downstream processing requirements. With easy access for maintenance and a powerful motor package suited for long production cycles, the CASTED GRINDER CG450 is ideal for companies seeking a reliable, high-output plastic grinding solution that can stand up to daily industrial use. Its balance of strength, precision, and maintainability makes it a valuable asset for any plastic recycling or extrusion support operation.
Key Features
- Solid casted frame for vibration dampening and structural stability
- Hardened rotor blades for long-term cutting efficiency
- Large feed opening for bulky plastic scrap and offcuts
- Replaceable screen for controlled granule output sizing
- Heavy-duty bearings for continuous industrial operation
- Optimized chamber design to reduce heat generation
- Easy maintenance access for blade and screen servicing
Technical Specifications
| Specification | Detail |
| Model Series | CG450 Casted Grinder |
| Feed Opening | 450mm x 350mm |
| Rotor Diameter | 350mm to 400mm |
| Motor Power | 10 HP to 15 HP |
| Rotor Speed | 500 – 700 RPM |
| Knife Configuration | Hardened Steel Rotary / Fixed Knives |
| Screen Hole Size | 6mm to 12mm |
| Construction Material | Cast Iron Body |
| Throughput Capacity | 250 – 400 kg/hr (Material dependant) |
| Application Standard | Industrial Plastic Scrap Grinding |
Applications
- Grinding PVC pipe offcuts and profile waste
- Recycling rigid plastic moulding scrap
- Pre-processing material for pelletizing lines
- Plastic waste recovery in extrusion plants
- High-volume industrial scrap reduction

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