EXTRUTEX Plastic Crusher

High-Performance Plastic Crusher for Recycling and Centralized Material Processing

Plastic scrap is an unavoidable part of many plastics manufacturing processes. Start-up material, off-specification products, edge trim, rejected components, injection molding runners, extrusion scrap and production waste can occupy valuable factory space if they are not processed efficiently. A properly designed crusher turns this material into a more manageable form that can be collected, stored, transported and, where the material specification permits, returned to the production process.

EXTRUTEX plastic crushers are designed as practical industrial size-reduction machines for plastics factories, recycling operations and centralized material-processing systems. The machine construction focuses on a rigid frame, high-strength cutting components, controlled feeding, operator protection, overload protection and reduced operating noise. Different chamber sizes and blade configurations allow the equipment to be selected according to the required material volume and processing capacity.

The SG series covers capacities from approximately 100 kg/h to 1,000 kg/h in the supplied specifications. Actual throughput depends on material type, bulk density, feed form, moisture, contamination, feeding method, screen configuration and operating conditions. For this reason, EXTRUTEX can select the appropriate crusher configuration according to the customer's application rather than treating the nominal capacity as a universal production guarantee.

EXTRUTEX Engineering Philosophy

EXTRUTEX combines Austrian design and engineering concepts with manufacturing capabilities in Nanjing and Shanghai, China. This approach is intended to balance mechanical reliability, manufacturing efficiency, serviceability and competitive industrial investment. The crusher is designed around the realities of plastics production: continuous operation, repeated feeding cycles, changing scrap sizes and the need for straightforward maintenance.

The machine frame is treated during manufacturing to improve dimensional stability and reduce the risk of structural looseness. The supplied design also incorporates vibration-protection feet intended to absorb vibration generated during crushing. Together, the rigid frame and vibration-control arrangement help create a stable working platform and reduce the transmission of mechanical vibration into the surrounding floor structure.

Cutting components are manufactured from high-quality steel and processed for strength and wear resistance. The rotating and fixed blade arrangement creates the cutting action inside the crushing chamber. Depending on the model, the supplied specification uses different numbers of rotating and fixed blades, allowing the machine configuration to match different chamber sizes and processing requirements.

Main Performance Characteristics

Construction and Main Components

The EXTRUTEX crusher is built around a functional mechanical layout in which the feeding hopper guides material into the cutting chamber. Inside the chamber, rotating blades work against fixed blades to reduce the material into smaller pieces. A drive motor and transmission system provide the mechanical power required for the cutting action.

1. Feeding Hopper

The feeding hopper provides the controlled entry point for plastic scrap. Its geometry is designed to direct material toward the cutting chamber while keeping the operator separated from the rotating cutting system during normal operation.

2. Rotating Blade Frame

The rotating blade frame carries the rotating cutting blades. As the rotor turns, the rotating blades interact with the fixed blades to shear and cut plastic material. The number of rotating blades varies between models according to chamber size and machine configuration.

3. Sleeve Screw and 4. Rotating Blade

The mechanical blade mounting system supports the rotating cutting elements and transfers the required cutting forces through the rotor assembly. The blades are service components and should be inspected periodically for wear, damage and correct fastening.

5. Fixed Blade

Fixed blades provide the stationary cutting edge against which the rotating blades work. Correct blade clearance is important for cutting efficiency, energy consumption and blade life. Blade adjustment and maintenance should be performed according to the machine service procedure.

6. Frame and 7. Truck

The main frame supports the crushing chamber, drive system and protective structures. The mobile truck or wheel arrangement makes the machine easier to position in suitable production areas, depending on the selected configuration.

Safety and Control Components

The supplied construction layout includes a safety switch, stop switch and start switch. These components form part of the operator control and protection system. Protective covers and guarded areas help restrict access to moving components. Operators should always follow the site safety procedure and isolate electrical power before opening the crushing chamber or carrying out maintenance.

Plastic Materials and Typical Applications

EXTRUTEX crushers can be used for the centralized size reduction of many types of plastic production waste. Typical applications include thermoplastic production scrap, injection molding runners and rejected parts, extrusion profiles, plastic sheets, production off-cuts and similar process materials. The suitable configuration depends on the hardness, geometry, thickness and quantity of the material being processed.

For extrusion factories, a crusher can be installed close to production equipment or integrated into a centralized recycling area. Scrap profiles and other rigid plastic pieces can be reduced before being transferred to storage, conveying or subsequent recycling equipment. In injection molding plants, runners and rejected components can be collected and processed into a more uniform form for handling.

The crusher may also form part of a larger plastics recycling system. A typical recycling process can include feeding, crushing, conveying, metal separation where required, washing for suitable materials, drying and further size reduction or extrusion. EXTRUTEX can supply equipment for plastics processing projects where the crusher is one component of a broader production or recycling line.

SG Series Model Range

The following specifications are based on the supplied SG series technical table. Chamber dimensions, nominal crush capacity, blade quantity, motor power, external dimensions and machine weight vary by model. The stated capacity should be regarded as a reference value; final selection should be confirmed against the customer's material and operating conditions.

Technical note: Capacities shown are reference values from the supplied specification sheet. Actual output depends on the plastic material, feed size, shape, density, moisture, contamination, blade condition and operating conditions. External dimensions and weight should be confirmed against the final machine configuration before factory layout and transportation planning.

Noise Control and Factory Environment

Plastic crushing can generate significant mechanical noise, particularly when rigid products enter the cutting chamber. EXTRUTEX addresses this requirement with a double-layer sound-insulation concept around the pulverizing room and charging area. The objective is to reduce noise transmission while maintaining practical access for inspection and maintenance.

Noise performance in a real factory will also depend on the material being crushed, feeding method, installation surface, surrounding equipment and room acoustics. For production facilities where noise control is particularly important, the crusher should be positioned and installed as part of the overall factory noise-management strategy.

Maintenance and Blade Management

Regular maintenance is essential for maintaining crushing performance. Operators should inspect blades, fasteners, guards, electrical connections, bearings, transmission components and vibration-control elements according to the machine maintenance schedule. Cutting edges should be checked for wear, and the correct blade clearance should be maintained.

Worn blades can increase power consumption and reduce crushing efficiency. They can also increase heat and mechanical stress in the cutting chamber. A planned blade inspection and sharpening or replacement program helps keep the machine operating consistently and can reduce unexpected production interruptions.

Before any maintenance work, the machine should be stopped, electrically isolated and secured against accidental start-up. The crushing chamber must never be accessed while the rotor is capable of movement. Only trained personnel should perform electrical, mechanical or blade-related service work.

Integration into a Plastics Recycling System

For larger factories, the crusher can be incorporated into a centralized material-handling system. A typical arrangement can collect scrap from several production machines and transfer it to a centralized crushing area. After crushing, the material can be conveyed to a storage hopper, separator, washing line or recycling extruder, depending on the material and recycling objective.

EXTRUTEX can coordinate the crusher selection with upstream and downstream equipment so that the complete system is properly matched. Conveying capacity, hopper volume, dust management, material segregation and recycling throughput should be considered together rather than selecting each machine independently.

Why Choose an EXTRUTEX Plastic Crusher?

• Austrian design approach: Mechanical design focuses on stable construction, practical operation, maintainability and industrial application.
• Manufacturing in China: EXTRUTEX production facilities in Nanjing and Shanghai provide manufacturing capability for competitive industrial equipment supply.
• Broad capacity range: The supplied SG models cover reference capacities from approximately 100 to 1,000 kg/h.
• Multiple chamber sizes: Different chamber dimensions allow selection according to scrap size and required throughput.
• High-strength cutting system: Rotating and fixed blades are designed for repeated plastic size-reduction duty.
• Safety-oriented construction: Protective covers, safety switches and motor overload protection are incorporated into the machine concept.
• Noise-control design: Double-layer insulation around key crushing areas helps reduce operating noise.
• Suitable for centralized processing: The equipment can be used as part of a larger plastics recycling and material-handling system.

Selection Guidance

Choosing a crusher should begin with the actual material rather than the machine name alone. EXTRUTEX recommends evaluating the type of polymer, product geometry, maximum piece size, wall thickness, production scrap rate, required hourly capacity and desired output size. The presence of fillers, glass fiber, mineral additives, metal contamination or other abrasive materials should also be identified because these factors can influence blade wear and machine configuration.

The available floor area, electrical supply, material-flow direction and downstream equipment should be considered at the same time. For a centralized system, the crusher capacity should be coordinated with conveyors, storage hoppers and recycling equipment so that one machine does not become a bottleneck for the entire process.

EXTRUTEX Plastic Processing Equipment

The EXTRUTEX crusher can be combined with other plastics-processing and recycling equipment to create a complete production solution. Depending on the project, this may include conveying systems, hopper dryers, dehumidifying dryers, mixers, feeders, recycling systems, single-screw extruders, twin-screw extruders and downstream equipment. A coordinated system can simplify material flow from production scrap through size reduction and into subsequent recycling or reuse processes.

With Austrian design and manufacturing operations in Nanjing and Shanghai, EXTRUTEX supplies equipment for plastics processors, recyclers and industrial production facilities. The focus is on practical machinery that can be integrated into real production environments and adapted to the technical requirements of each project.

Conclusion

EXTRUTEX plastic crushers provide a robust solution for reducing plastic production waste into a more manageable form. The SG series offers multiple chamber sizes, motor powers and blade configurations, with reference capacities ranging from 100 to 1,000 kg/h in the supplied specifications. The combination of rigid construction, high-strength blades, vibration protection, safety systems, motor overload protection and sound-insulation features makes the equipment suitable for a wide range of plastics-processing applications.

Whether the requirement is a compact crusher for a single production machine or a larger unit for centralized scrap processing, the correct configuration should be selected from the actual material, required throughput and factory layout. EXTRUTEX can support the equipment-selection process and coordinate crusher integration with conveying, storage and recycling systems.