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Industrial Plastic Crusher Machine 50–1500 kg/h | Chenxing

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Product Description

High-Efficiency Industrial Plastic Crusher | 50–1500 kg/h

The Powerful Plastic Crusher Machine is an industrial size-reduction machine designed to crush plastic scrap, production waste, and recyclable plastic materials into smaller, more manageable pieces for subsequent recycling and processing.


Featuring a rotating blade shaft and fixed cutting blades, this machine uses mechanical cutting and shearing to reduce plastic materials into smaller fragments. Its blade configuration, screen size, and feeding port dimensions are designed to accommodate different processing requirements and material sizes.


Chenxing Machinery offers nine crusher models, ranging from Model 180 to Model 1000, with production capacities from 50 kg/h to 1500 kg/h. Motor power ranges from 1.5 kW to 37 kW, allowing customers to select a suitable machine according to their material characteristics and required processing capacity.


Whether you need to process plastic production scrap, rejected plastic products, injection molding runners, or other recyclable plastic waste, Chenxing's industrial plastic crusher provides a practical size-reduction solution for plastic recycling operations.

Chenxing Heavy Duty Plastic Crusher Manufacturing and Assembly
Plastic Crusher Machine Feeding Hopper for Plastic Scrap
Customized 6–12 mm Screen for Plastic Granulator Machine



1. What Is an Industrial Plastic Crusher?

An industrial plastic crusher, also known as a plastic granulator or plastic crushing machine, is used to reduce plastic waste and scrap into smaller pieces through mechanical cutting.


The machine typically consists of a feeding hopper, rotating blade shaft, fixed blades, crushing chamber, screen, motor, and transmission system.


During operation, plastic materials enter the crushing chamber through the feeding port. The rotating blades work together with the fixed blades to cut and shear the material into smaller fragments.


The crushed material then passes through the screen openings. The screen helps control the approximate output particle size, depending on the material characteristics and operating conditions.


Compared with manual cutting or simple mechanical size reduction, an industrial plastic crusher provides a more consistent and efficient way to prepare plastic scrap for subsequent recycling processes.


The crushed material can be further processed through washing, drying, extrusion, or pelletizing equipment, depending on the recycling application.



2. Main Applications of the Plastic Crusher Machine

The Powerful Plastic Crusher is suitable for various plastic size-reduction applications.

Injection Molding Scrap Crushing

Plastic runners, sprues, rejected molded products, and production offcuts can be processed into smaller pieces for subsequent material recovery.


Plastic Extrusion Waste Recycling

Plastic scrap generated during extrusion production, including rejected products and production waste, can be crushed before being returned to an appropriate recycling or reprocessing process.


Plastic Product Recycling

The machine can be used to reduce the size of recyclable plastic products before further sorting, washing, or processing.


Plastic Recycling Line Preparation

In plastic recycling plants, crushing is an important size-reduction stage before washing, drying, and material recovery.

The crusher can be integrated into a larger plastic recycling system according to the material type and production layout.


Typical Processing Materials

Depending on the machine configuration and material dimensions, potential applications include:

  • PE plastic waste

  • PP plastic products

  • PVC plastic scrap

  • ABS plastic parts

  • PS plastic products

  • Injection molding runners and sprues

  • Plastic production rejects

  • Various recyclable plastic scraps

The actual material compatibility and production capacity should be confirmed according to material thickness, shape, hardness, feeding conditions, and required output size.



3. Working Principle of the Powerful Plastic Crusher

The Powerful Plastic Crusher operates through mechanical cutting and shearing between rotating and fixed blades.

The rotating blade shaft is driven by an electric motor. As the shaft rotates, the moving blades interact with the fixed blades to cut plastic materials inside the crushing chamber.

How the Crushing Process Works

Step 1: Material Feeding

Plastic scrap is introduced into the machine through the feeding hopper.

The feeding port dimensions vary according to the selected model, allowing different machine sizes to accommodate different material dimensions.


Step 2: Mechanical Cutting

The rotating blades move against the fixed blades, creating cutting and shearing forces that break down the plastic material.


Step 3: Repeated Crushing

The material continues to be processed inside the crushing chamber until the fragments are small enough to pass through the screen.


Step 4: Screen Separation

A screen installed beneath the cutting chamber controls the approximate size of the discharged material.

The standard screen size is listed as 6–12 mm, with customized options available.


Step 5: Material Discharge

The crushed plastic fragments are discharged and collected for subsequent recycling, washing, extrusion, or other processing operations.

This cutting-based crushing method provides an effective way to prepare plastic waste for further material recovery.



4. Key Features of Chenxing Powerful Plastic Crusher

4.1 Rotating and Fixed Blade Cutting System

The crusher adopts a mechanical cutting structure consisting of moving blades and fixed blades.

During operation, the rotating blades interact with the stationary blades to generate cutting and shearing forces.

Different models feature different moving blade quantities, ranging from 6 to 30 pieces, according to the supplied specifications.

The blade configuration is selected according to the machine model and crushing requirements.


4.2 Nine Models for Different Production Capacities

Different recycling plants have different material volumes and production requirements.

Chenxing provides nine model options, covering production capacities from 50 kg/h to 1500 kg/h.

Smaller models are suitable for lower-volume processing, while larger models are designed for higher-throughput industrial applications.

This model range allows customers to select equipment according to their actual processing needs instead of purchasing an unnecessarily large machine.


4.3 Customizable Screen Size

The screen plays an important role in controlling the size of discharged plastic fragments.

The supplied specifications list screen sizes of 6–12 mm, with customized options available.

Different screen openings can be discussed according to the downstream recycling process and required material size.


4.4 Different Feeding Port Dimensions

The feeding port dimensions vary from 150 × 200 mm to 550 × 1020 mm across the model range.

A suitable feeding opening should be selected according to the dimensions, shape, and feeding method of the plastic materials.

For large or irregular plastic scrap, material dimensions should be provided before confirming the machine model.


4.5 Motor Power Options from 1.5 kW to 37 kW

The machine is available with motor power ratings ranging from 1.5 kW to 37 kW.

Different motor configurations correspond to different machine sizes and production capacities.

Selecting the correct motor power is important for matching the machine to the material characteristics and required processing throughput.


4.6 Compact and Industrial Configurations

The model range includes compact machines as well as larger industrial crushers.

Machine dimensions range from 630 × 520 × 950 mm to 1950 × 1580 × 2500 mm, depending on the model.

This provides flexibility when planning equipment installation and factory layout.



5. Powerful Plastic Crusher Technical Specifications

Chenxing Powerful Plastic Crusher machines are available in nine models: 180, 250, 300, 400, 500, 600, 700, 800, and 1000.

Detailed Technical Parameters

Technical Parameter 180 250 300 400 500 600 700 800 1000
Production Capacity (kg/h) 50–100 150–200 200–300 250–450 400–700 450–800 500–1000 650–1300 750–1500
Motor Power (kW) 1.5/2.2 4 5.5 7.5 11 15 22 30 37
Motor Power (HP) 2/3 5.5 7.5 10 15 20 30 37 50
Moving Blades (pcs) 9 6 9 12 15 18 21 24 30
Fixed Blades (pcs) — — 2 — — — — 4 —
Rotating Diameter (mm) 148 225 240 250 310 350 — 400 —
Mesh Size (mm) 6–12, Customized







Blade Shaft Speed (r/min) 520 617 617 650 627 576 480 480 480
Feed Port Size (mm) 150×200 200×250 220×320 250×420 300×520 330×620 420×720 500×820 550×1020
External Dimensions (mm) 630×520×950 900×700×1050 1000×750×1180 1060×880×1320 1150×1000×1450 1200×1060×1650 1200×1230×1690 1850×1410×2130 1950×1580×2500
Weight (kg) 120 230 330 430 550 620 1000 1700 2800

Technical note: The specifications are transcribed from the supplied product chart. Dashes indicate values not specified in the source table, rather than zero. The rotating diameter and fixed blade quantities for individual models should be reconfirmed with the technical department before publication.


Production Capacity Comparison

The production capacity of the nine models ranges from 50 kg/h to 1500 kg/h.

For easier model selection:

  • Model 180: 50–100 kg/h

  • Model 250: 150–200 kg/h

  • Model 300: 200–300 kg/h

  • Model 400: 250–450 kg/h

  • Model 500: 400–700 kg/h

  • Model 600: 450–800 kg/h

  • Model 700: 500–1000 kg/h

  • Model 800: 650–1300 kg/h

  • Model 1000: 750–1500 kg/h

Actual output depends on the plastic material, feeding method, screen opening, blade condition, and operating conditions.



6. How to Choose the Right Plastic Crusher Model?

Choosing the right plastic crusher is not simply a matter of selecting the model with the highest production capacity.

The machine should match the size and characteristics of the material, required throughput, output particle size, and downstream recycling process.

1. Required Production Capacity

Start by estimating how much plastic waste needs to be processed per hour.

For example, if your recycling operation requires approximately 200–300 kg/h, Model 300 may be a suitable starting point for evaluation.

For higher-volume processing, Models 600, 800, and 1000 offer larger reference capacity ranges.

The final model should be confirmed based on actual material trials or detailed material information.


2. Material Dimensions and Feeding Port Size

The maximum dimensions of the plastic material are important when selecting a crusher.

For example, large plastic components may require a larger feeding port than small injection molding runners.

Customers should provide the approximate length, width, thickness, and shape of their materials to help determine the appropriate model.


3. Required Output Particle Size

The screen determines the approximate size of the discharged plastic fragments.

The standard screen size listed for this crusher is 6–12 mm, with customized options available.

If the crushed material will be used in a washing or pelletizing line, the screen opening should be considered together with the requirements of the downstream equipment.


4. Motor Power and Blade Configuration

Motor power, blade quantity, and blade geometry all influence the machine's cutting performance.

Different plastic materials require different cutting conditions.

For example, thick-walled plastic products and thin plastic scrap may behave differently during crushing.

The recommended configuration should be evaluated according to material hardness, thickness, feeding conditions, and production capacity.


5. Installation Space and Equipment Layout

The external dimensions and machine weight should be considered before installation.

Customers should confirm available factory space, material feeding arrangements, discharge methods, and connections with other recycling equipment.



7. Plastic Crusher Integration with Complete Recycling Lines

A plastic crusher is often used as part of a larger plastic recycling system.

After crushing, the material may enter additional processing stages depending on the recycling application.

Crushing and Washing

For contaminated plastic waste, crushed material can be transferred to a washing line for further cleaning.

A typical process may include:

Plastic Waste → Crushing → Friction Washing → Floating Washing → Dewatering → Drying


Crushing and Pelletizing

For suitable clean plastic scrap, crushing can be used as a preparation stage before extrusion and pelletizing.

A typical process may include:

Plastic Scrap → Crushing → Feeding → Extrusion → Filtration → Pelletizing


Crushing and Material Reuse

Plastic production scrap can be crushed into smaller fragments and returned to an appropriate material recovery process, subject to material compatibility and quality requirements.

Integrating the crusher with downstream equipment can help establish a more organized recycling workflow.

Chenxing Machinery also provides plastic recycling and extrusion equipment. Customers can discuss their complete processing requirements when selecting a crushing machine.



8. Why Choose Chenxing Machinery?

Chenxing Machinery is a Chinese manufacturer specializing in plastic extrusion machinery, plastic recycling equipment, mixing machinery, and automatic dosing systems.

We understand that selecting a plastic crusher involves more than comparing motor power or machine dimensions.

Material characteristics, required output size, processing capacity, and downstream equipment all influence the final machine configuration.

Our equipment selection process focuses on:

  • Multiple Model Options: Nine models covering production capacities from 50 to 1500 kg/h.

  • Application-Based Selection: Model recommendations according to plastic material dimensions and processing requirements.

  • Flexible Screen Configuration: Standard 6–12 mm screen sizes with customized options.

  • Complete Recycling Solutions: Equipment selection can be considered together with washing, drying, extrusion, and pelletizing processes.

  • Manufacturing Experience: More than 20 years of experience in plastic machinery manufacturing.

Our goal is to help customers select practical size-reduction equipment that fits their actual recycling and production operations.



9. Frequently Asked Questions About Plastic Crusher Machines

Q1: What is an industrial plastic crusher used for?

An industrial plastic crusher is used to reduce plastic scrap and waste into smaller fragments through mechanical cutting and shearing.

Typical applications include injection molding runners, rejected plastic products, extrusion scrap, and recyclable plastic waste.


Q2: What is the production capacity of this plastic crusher?

The Powerful Plastic Crusher series offers nine models with reference production capacities ranging from 50 kg/h to 1500 kg/h.

The actual processing capacity depends on material type, dimensions, feeding conditions, screen size, and blade condition.


Q3: What plastic materials can the crusher process?

Depending on the machine configuration, the crusher may be used for PE, PP, PVC, ABS, PS, and other suitable plastic scrap.

Material compatibility should be confirmed according to the material's shape, thickness, hardness, and processing requirements.


Q4: What is the standard output particle size?

The supplied specifications list screen sizes of 6–12 mm, with customized options available.

The actual output size distribution depends on the screen opening, material characteristics, blade condition, and operating conditions.


Q5: What is the difference between a plastic crusher and a plastic shredder?

A plastic crusher generally uses rotating and fixed blades to cut plastic materials into smaller fragments, with a screen controlling the discharged material size.

A plastic shredder typically uses low-speed, high-torque cutting shafts to tear larger or bulkier materials into smaller pieces.

For some recycling applications, a shredder and a crusher are used together as two stages of size reduction.


Q6: Can the crushed plastic be used directly for pelletizing?

For suitable clean and compatible plastic materials, crushed fragments can be used as feedstock for a pelletizing line.

However, contaminated materials may require washing and drying before extrusion.

The appropriate process depends on the material type and final pellet quality requirements.


Q7: How do I select the right plastic crusher model?

The most important factors are:

  • Plastic material type

  • Maximum material dimensions

  • Required production capacity

  • Desired output particle size

  • Available installation space

  • Downstream processing equipment

Providing these details helps determine the appropriate model.


Q8: Can the screen size be customized?

Yes. The supplied product specifications indicate standard screen sizes of 6–12 mm and customized options.

The required screen opening should be discussed according to the downstream process.


Q9: How much motor power does the plastic crusher require?

The available motor power ranges from 1.5 kW to 37 kW, depending on the model.

Larger models generally have higher motor power ratings to accommodate their corresponding processing requirements.


Q10: Can the plastic crusher be integrated into a complete recycling line?

Yes. The crusher can be used as a standalone size-reduction machine or integrated with suitable washing, drying, extrusion, and pelletizing equipment.

The complete line configuration should be determined according to the plastic material and recycling process.


10. Request a Quote for Chenxing Powerful Plastic Crusher

Looking for an industrial plastic crusher for your recycling plant or plastic manufacturing facility?

Chenxing Machinery offers nine crusher models with reference processing capacities from 50 kg/h to 1500 kg/h.

Whether you need to crush injection molding scrap, plastic production waste, or recyclable plastic products, our team can help evaluate a suitable machine configuration.

To receive a more accurate quotation, please provide:

  • Plastic material type

  • Material dimensions and thickness

  • Required processing capacity (kg/h)

  • Desired output particle size

  • Photos or videos of the material

  • Destination country

Contact Chenxing Machinery to discuss your plastic crushing requirements and get a suitable equipment proposal.



About Chenxing Industrial Plastic Crusher Manufacturer

Chenxing Machinery is a Chinese plastic machinery manufacturer with more than 20 years of manufacturing experience, specializing in plastic extrusion lines, plastic recycling equipment, industrial mixing machines, and automatic dosing systems.


Our Powerful Plastic Crusher series includes nine models with production capacities ranging from 50 kg/h to 1500 kg/h. The machines use rotating and fixed blade cutting systems to reduce suitable plastic scrap into smaller fragments for subsequent recycling and material processing.


With different motor power ratings, feeding port dimensions, blade configurations, and customizable screen sizes, Chenxing provides plastic crushing equipment for different industrial processing requirements.


The crusher can be used independently or integrated into plastic washing, drying, extrusion, and pelletizing systems according to the customer's recycling process.


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