Applicable Materials: Suitable for the coarse shredding and volume reduction of plastic lumps, plastic pipes, plastic pallets, woven bags, plastic film, rubber, wood, cardboard, wires and cables, and other industrial solid waste. The machine configuration is selected according to the material hardness, size, and contamination level.
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The single shaft shredder is a screen-equipped size-reduction machine used to process plastic lumps, thick-walled pipes, plastic pallets, crates, drums, wood waste, rubber products and selected industrial recycling materials.
A hydraulic pushing system moves the material toward a single rotating cutter shaft. Replaceable rotor knives work against stationary knives to repeatedly cut the feed until it becomes small enough to pass through the selected bottom screen.
Compared with a twin shaft shredder used mainly for coarse primary size reduction, the single shaft shredder provides screen-controlled discharge and is more suitable when smaller and relatively consistent output is required.
Large hollow products, bundled materials and bulky irregular waste may require pre-cutting or primary processing by a twin shaft shredder before entering the single shaft machine. Whether pre-shredding is required depends on the material dimensions, feeding condition and rotor chamber size.
Ferrous attachments, tools, bolts and other hard metal contaminants should be removed before feeding. A magnetic separator may be installed in a downstream process when recoverable iron or steel is present in suitable processed material.
A single shaft shredder uses one low-speed rotor with replaceable knives and a hydraulic pusher that presses material toward the cutting zone. Material is cut between the rotating knives and fixed counter knives until pieces can pass through the selected screen. This operating principle is different from a twin shaft shredder, which uses two counter-rotating shafts for gripping, tearing and coarse opening without relying on a sizing screen.
The machine can be evaluated for prepared plastic lumps, thick plastic parts, pipes, pallets, film bundles, rubber products, wood, cables and selected industrial waste that can be controlled by the pusher and rotor. Material suitability depends on dimensions, thickness, toughness, contamination, temperature and the presence of metal attachments.
Heavy solid steel, pressure vessels, sealed containers, batteries, large shafts, massive castings, abrasive mineral contamination and unidentified hazardous waste are not standard feed. Long flexible material may wrap around the rotor if the cutting chamber, rotor design and feeding method are not selected for it. Mixed waste should be assessed from representative samples rather than category names alone.
The screen helps control the maximum discharge condition, but output also depends on rotor diameter, knife arrangement, pusher cycle, feed density, material toughness and recirculation. A smaller screen may improve size control while reducing capacity and increasing knife, counter-knife and screen wear. Hourly throughput should therefore be estimated from real material data, not motor power alone.
Please provide material photos, minimum and maximum dimensions, bulk density, hourly quantity, contamination, required output size, daily operating hours, loading method and downstream process. These data determine rotor width, chamber volume, pusher system, drive power, screen and discharge conveyor.
A single shaft shredder can be evaluated for prepared aluminum sheet, profiles, thin housings and selected production scrap when the material fits the chamber and can be controlled by the hydraulic pusher. The applicable thickness, section size, single-piece weight and alloy condition must be confirmed. Large castings, engine blocks, dense solid aluminum and bulky mixed assemblies are not standard feed merely because they are aluminum.
Profiles should be checked for length, cross-section, wall thickness, thermal-break strips, steel inserts and nesting. Long profiles may bridge in the hopper or lie across the rotor, so cutting or controlled orientation can be necessary. Thermal-break aluminum also introduces plastic strips that affect discharge composition and downstream separation.
Short, prepared cable pieces may be evaluated when rotor, cutters, screen and pusher are designed for the application. Long flexible cable, wire bundles and steel-armored cable can wrap around the rotor, shafts or bearing protection areas. Complete cable reels, pulling wire and unknown mixed cables should not be treated as normal direct feed.
The machine selection changes according to whether the goal is volume reduction, opening cable bundles or preparing material for copper and plastic separation. Cable diameter, conductor type, insulation, armor, connectors, oil or gel filling and desired granulation must be provided. A general single shaft shredder may perform primary size reduction, while fine copper recovery can require a dedicated cable granulator and separation system.
The pusher controls the contact between material and rotor, but higher pushing force does not automatically increase capacity. Excessive pressure can overload cutters, increase heat and cause repeated rotor stops. Pusher speed and pressure should be coordinated with motor current, rotor speed, cutter engagement and screen condition.
The screen controls the maximum discharge pathway after the material has been cut sufficiently. Smaller openings usually increase residence time, recutting, heat, wear and power demand. Flexible cable and thin aluminum can behave differently from rigid plastic or wood, so screen selection must follow trial material rather than a universal particle-size promise.
Fine aluminum, oily scrap, lithium batteries, capacitors, sealed components and energized cable are excluded until safely identified and prepared. Aluminum fines can create combustible dust conditions, while cable insulation can produce heat, smoke and light fractions. Appropriate inspection, dust control, fire protection and housekeeping are required for the actual material.
Please provide representative photos or samples, aluminum or cable category, maximum dimensions, thickness or cable diameter, individual weight, length distribution, loose or bundled condition, steel inserts or armor, oil or moisture, hourly quantity, desired output and downstream process. The proposal should identify applicable feed, excluded items, screen, cutter arrangement and performance conditions.
Feed material should be inspected before shredding. Heavy metal parts, tools, bolts, batteries, sealed containers, pressure vessels, flammable items and unidentified hazardous materials must be removed or handled separately.
The material dimensions, wall thickness, hardness and bulk density should remain within the processing limits of the selected rotor and hydraulic pushing system.
Prepared material is loaded into the shredding chamber by a conveyor, loader or another suitable feeding device. The chamber dimensions and feeding method should be selected according to the maximum material size and required capacity.
A hydraulic pusher moves the material toward the rotating cutter shaft at a controlled rate. The pushing pressure and movement sequence can be adjusted according to the material resistance and rotor load.
When the rotor load increases, the control system can pause or retract the pusher to reduce excessive pressure on the cutting system.
The single rotor carries replaceable knives that rotate past stationary knives mounted inside the shredding chamber. The material is repeatedly cut and sheared between the moving and stationary cutting edges.
Material that meets the selected bottom screen opening is discharged from the shredder. Oversized pieces remain inside the chamber and continue to be cut until they can pass through the screen.
The final output depends on the screen opening, rotor knife arrangement, stationary knife clearance, rotor speed, material toughness and feeding condition.
The shredded output falls onto a discharge conveyor or into a collection area. It can then be transferred to screening, magnetic separation, washing, granulation or another downstream recycling process.
The control system monitors the rotor load and can stop or reverse the cutter shaft when excessive resistance or a material jam is detected.
The hydraulic pusher can retract to release pressure and allow the rotor to clear the obstruction. This protection does not replace material inspection before feeding.
Dust collection can be configured around the feeding and discharge points when processing dry or dusty material. A liquid collection system may be considered when the feed contains residual water or other suitable non-hazardous liquid.
Size reduction of plastic lumps and injection molding waste
Shredding of plastic pallets, crates, drums and thick-walled pipes
Processing of wood boards, wooden pallets and packaging waste
Preparation of selected rubber products for downstream recycling
Controlled shredding of paper cores, cardboard and production offcuts
Size reduction of suitable industrial recycling materials before screening or granulation
The motor and gearbox drive the rotor at a relatively low speed while providing high torque. This design is suitable for bulky, irregular, and tough plastic or industrial waste. Low-speed operation also helps reduce dust, noise, and material ejection.
The hydraulic pusher automatically adjusts its movement according to the main motor load. The pushing system keeps the material in contact with the rotor and reduces bridging or idle rotation when processing plastic film, woven bags, plastic lumps, and hollow products.
A removable screen is installed beneath the rotor. Different screen openings can be selected according to downstream processing requirements. Oversized pieces remain in the cutting chamber until they are small enough to pass through the screen.
The rotary knives and fixed knives are removable. Worn knives can be replaced, sharpened, or repositioned. Different knife materials and surface treatments are available for materials with different hardness and wear characteristics.
The control system monitors the motor current and rotor load. If an overload occurs, the machine can stop or retract the hydraulic pusher and reverse the rotor. This reduces impact on the drive system and helps clear temporary material blockages.
The machine can process plastic lumps, pipes, pallets, film, woven bags, rubber, wood, wires and cables, and general industrial solid waste. The rotor, knives, screen, and drive system can be configured for different materials.
The cutting chamber, screen, and knife area are designed for routine inspection and maintenance. The hydraulic, electrical, and transmission systems are arranged separately to simplify servicing and replacement of wear parts.
The hopper size, rotor length, knife quantity, motor power, screen opening, feeding method, and discharge conveyor can be customized according to the feed size, required capacity, material characteristics, and output requirements.
Material type and representative photos or videos
Maximum feeding dimensions
Material wall thickness and hardness
Loose, bundled or compacted material condition
Required processing capacity
Expected output size
Required screen opening
Intended downstream process
Local voltage and frequency
Available installation space
Parameter description diagram for Single Shaft Shredder for Plastic and Industrial Waste | Haoxing Machinery:
The following data represents common reference configurations. Final specifications may vary according to the processed material, knife design, screen opening, and project requirements.
Capacity figures are reference values and vary significantly depending on the processed material.
The capacity for plastic film, woven bags, and hollow plastic products should be evaluated according to the material bulk density.
Thick-walled pipes, plastic lumps, and engineering plastics may require higher motor power and a reinforced knife configuration.
The actual output size is affected by the screen opening, material toughness, knife condition, and knife clearance.
Machine selection should consider the feed size, individual piece weight, material hardness, contaminants, and downstream processing requirements rather than motor power alone.
The single shaft shredder can be used for coarse shredding, volume reduction, and recycling preparation of the following materials:
Plastic lumps, injection molding waste, plastic pallets, crates, drums, sheets, thick-walled plastic pipes, PE pipes, PP pipes, plastic film, woven bags, and other plastic products.
General rubber products, rubber production scraps, fiber-reinforced plastics, and selected composite packaging materials. Materials containing a large amount of metal should be evaluated before processing.
Wood boards, wood blocks, wooden pallets, packaging boxes, cardboard, paper cores, and production offcuts.
Waste wires, cable coverings, and wiring harnesses before sorting, copper recovery, or copper-plastic separation.
Production scraps, packaging waste, lightweight industrial waste, and other solid materials that require controlled output dimensions.
The single shaft shredder is mainly used for coarse shredding, volume reduction, and recycling preparation. Materials containing heavy steel parts, large metal pieces, or hard foreign objects should be sorted before feeding or processed with a more suitable metal shredding system.
Find common questions about scrap metal crushers, shredders, recycling lines, equipment selection, capacity configuration and operation requirements.
The reference capacity of the single shaft shredder ranges from 300 kg/h to 5 t/h. The actual capacity depends on the material type, feeding size, bulk density, cutter configuration, screen opening, feeding method and motor power.
The machine can be equipped with overload protection and an automatic reverse function. When the load becomes too high or material causes a blockage, the control system can stop or reverse the rotor to release the material, reduce jamming and protect the cutters, rotor, reducer and drive system.
Yes. The output size is mainly controlled by the screen opening and is also affected by the cutter structure, rotor speed, feeding amount and material characteristics. Different screens can be selected according to the requirements of downstream washing, sorting, pelletizing or other processes.
A single shaft shredder is suitable for plastic pipes, plastic drums, plastic sheets, film bundles, woven bags, waste drip irrigation tape, wood, pallets, cardboard and other recyclable materials. The machine configuration should be selected according to the material hardness, size, shape and contamination level.
Yes. The single shaft shredder can reduce waste polyethylene drip irrigation tape into smaller flakes for subsequent washing, dewatering, pelletizing or recycling. The cutter and screen configurations should be selected according to the dirt content, degree of entanglement and required output size.
Yes. The single shaft shredder can be equipped with a diesel engine or an electric motor according to the working site and available power supply. The diesel-powered configuration is suitable for sites with limited electricity, mobile operations or temporary material processing.
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