Product Overview

The High-Efficiency Plastic Bottle Crushing Machine is a heavy-duty industrial granulator designed for processing post-consumer and post-industrial rigid plastics into uniform, high-quality flakes. It serves as a critical pre-treatment component in plastic recycling and washing lines, preparing materials for downstream washing, drying, and pelletizing.

This versatile crusher is engineered to process a wide range of rigid plastics:
PET Bottles: Water bottles, soda bottles, thermoforms, and sheet scraps.

HDPE Containers: Milk jugs, detergent bottles, shampoo packaging, and industrial drums.

PP Bottles & Caps: Yogurt cups, food containers, caps, and closures.

Other Rigid Plastics: PVC pipes, ABS shells, and heavy-duty plastic crates.

With a robust crushing chamber, optimized rotor structure, and wear-resistant alloy blades, this machine delivers stable, high-throughput performance for continuous, 24/7 recycling operations.

Technical Specifications

We offer a range of standard configurations, all of which can be customized to match your factory layout and material requirements.

Technical Parameter	Specification Range (Standard & Customized Models)
Model Range	Standard & Heavy-duty series
Suitable Materials	PET, HDPE, PP, PVC, ABS, and rigid plastics
Production Capacity	500 kg/h – 3,000 kg/h (Depending on material and screen size)
Motor Power	15 kW – 75 kW (Premium energy-saving copper motors)
Blade Material	Imported D2 (Cr12MoV) / SKD-11 (Hardness: HRC 58-62)
Rotary Blades	6 to 10 rows (V-shape / Double-scissor arrangement)
Stationary Blades	2 to 4 rows
Screen Mesh Size	8mm – 12mm (Quick-change design, customizable)
Bearing & Electricals	High-precision bearings and international standard electric components

Key Engineering Features & Buyer Benefits

Heavy-Duty "V-Shape" Double-Scissor Cutting Technology
The rotor features an optimized V-shape cutting structure. Instead of crushing by brute force, the rotary and fixed blades shear the plastic at an optimal "double-scissor" angle.

Power Efficiency: Reduces energy consumption by up to 20%.

Output Quality: Minimizes dust and fines generation while preventing the plastic from melting or sticking to the chamber walls.

Premium D2 (SKD-11) Alloy Steel Blade System
The crushing blades are manufactured from imported D2 (Cr12MoV) / SKD-11 high-alloy steel and undergo precise vacuum heat treatment.

Extended Lifespan: With a hardness of HRC 58-62, the blade lifespan is extended by 30% – 50% compared to standard carbon steel, drastically reducing downtime and maintenance costs.

Quick-Change Screen & Adjustable Flake Size
The lower part of the crushing chamber is fitted with a heavy-duty screen that supports a quick-change design (under 15 minutes).

Production Flexibility: Swap screen sizes (8mm to 12mm) easily to meet the strict quality standards of your downstream washing or pelletizing lines.

Why Global Buyers Partner With Us

To address the challenges of international sourcing, we have established a comprehensive risk-free purchasing system:
Certified Quality Standards: Every crusher is built with emergency stop buttons, safety limit switches, and motor overload protection, fully complying with international safety standards.

Premium Sourcing Components: We configure our machines with world-renowned bearing and electrical brands to ensure your production line runs smoothly 24/7.

12-Month Factory Warranty: 1-year warranty on all non-wearing parts, backed by lifetime technical support and online video troubleshooting.

Pre-Shipment Live-Video Testing: Customers can ship raw material samples (PET bottles, HDPE jugs, etc.) to our factory. We provide full video recordings or live-stream the crushing test for your approval before shipment.

Applications

Our crushing machines operate as the primary grinding engine in modern recycling facilities worldwide:
PET Bottle Washing Lines: Crushing compressed PET bottle bales into high-purity flakes.

HDPE/PP Rigid Plastic Recycling Plants: Processing milk bottles, detergent containers, and crates.

In-house Scrap Grinding: Allowing plastic manufacturers to instantly crush and reuse their injection or blow molding production rejects.

Working Principle

Feeding: Waste plastic bottles enter the crushing chamber via a sound-proofed feeding hopper.

Cutting: High-speed rotating blades shear the plastic against fixed bed blades.

Sizing & Discharge: Crushed flakes passing through the screen mesh are discharged, while larger pieces remain in the chamber for further cutting.

FAQ

Q: What is the lifespan of the crushing blades, and can they be sharpened?

A: Yes, our D2/SKD-11 blades can be sharpened 4 to 6 times using a standard blade grinding machine. Depending on material purity (e.g., whether they contain sand or metal contamination), a single set of blades can typically process 200 to 500 tons of PET/HDPE before requiring the first sharpening.

Q: Can this machine be integrated into an automated washing line?

A: Absolutely. Our crushers are designed for seamless system integration. We can customize the feeding hopper to fit your belt conveyor and configure a pneumatic blower transport system at the discharge outlet to automatically transport the flakes to your washing tank or silo.

Q: How do you handle contaminants like metals or stones?

A: To protect the blade system, we highly recommend installing a magnetic separator conveyor before the crusher's inlet. If tramp metal accidentally enters the chamber, the motor's overload protection system will instantly trigger and shut down the machine to prevent severe damage.

Q: What information should I provide to get an accurate quotation?

A: To recommend the perfect model, please share:

Material Type & Form: (e.g., loose PET bottles, baled bottles, HDPE jugs, or hard crates)
Required Capacity: (e.g., 500 kg/h, 1,000 kg/h, or 2,000+ kg/h)
Feeding Method: (Manual feeding or conveyor belt feeding)
Local Voltage & Frequency: (e.g., 380V, 50Hz, 3-Phase, or 460V, 60Hz)

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