XINYI MACHINERY's plastic crushers uses advanced technology and design to efficiently and thoroughly crush all types of waste plastics such as large blue buckets, plastic film, and woven bags, PP PE pipes, shell of TV set, shell of fridge, plastic bottles, PET bottles, PP bottles, PET sheets, etc . Different materials, we will recommend different plastic crushers to well crush them. We are proud to say that we have produced all kinds of plastic crushers for over 20 years and our machines are exported to more than 40 countries.

The key components of a plastic crusher (or plastic granulator) are typically made of durable, wear-resistant materials to withstand the grinding process and prolonged use. Here are the common materials used for critical parts:

1. Rotor Blades (Cutting Blades)

High-Carbon Steel – Hardened for wear resistance.

2. Fixed Blades (Bed Knives)

Similar materials as rotor blades (hardened steel or tungsten carbide) to ensure a sharp cutting edge.

3. Screen (Mesh/Sieve)

Hardened Steel (for standard use)

4. Hopper & Crushing Chamber

Carbon Steel (painted or coated for rust prevention)

5. Shaft (Rotor Shaft)

Alloy Steel or Carbon Steel–r high strength and impact resistance.

6. Bearings & Seals

High-quality bearings – For smooth operation under heavy load.

7. Housing/Frame

Sturdy Steel (Q235, SS400) – For structural strength.

Choose XINYI MACHINERY’s plastic crushers. They will be your best plastic crushing and recycling helper.