Durable Industrial 300 Model Dual‑Shaft Shredder

Our industrial shredders feature heavy‑duty frame and durable cutting blades, reducing material volume through shearing, tearing and extrusion. Suitable for plastics, rubber, wood, metal scraps, e‑waste and various industrial solid waste. Equipped with intelligent overload protection system for stable operation and easy maintenance. Different models are available to match your requirements on throughput, feed size and output particle size, widely used in waste recycling and material reprocessing to deliver reliable size‑reduction solutions.

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Detailed Description

Item	Specification
Motor	3kw ×1 (Optional: 5.5kw motor)
Voltage	Customizable
Reducer	K77 ×1
Main shaft	85×650mm ×2
Blade size	180×10mm ×15 (Thickness customizable)
Blade material	Alloy tool steel
Shredder box	300×350mm
Overall dimension	1080×570×1400mm

This 300 model dual‑shaft shredder serves for medium‑capacity waste pretreatment and recycling. It handles plastics, rubber, wood, cardboard, waste circuit boards, e‑waste and lithium‑ion batteries. Suitable for small‑to‑medium recycling plants and processing workshops. It is not fit for large solid thick metal blocks.

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Accessories & Supporting Components

Shredder Chamber & Cutting Box

The shredder chamber is the core working unit of every double-shaft shredder. Fabricated from thick welded steel plate, it houses the cutter shafts, spacers and fixed counter knives. Removable side panels simplify cutter replacement and internal cleaning. Chamber geometry, cutter thickness and clearances directly define the final particle size and output consistency.

Drive Motor

Shredder drive motors must withstand shock loads, frequent forward-reverse rotation and sustained operation under material jams. We specify cast-iron housing, heat-resistant windings and overload protection. Standard high-efficiency and VFD-compatible variable-frequency models are available to match the control system and power supply.

Hard-Tooth Reducer / Gearbox

Carburized and quenched hard-tooth reducers deliver the low-speed, high-torque shear required for shredding. The gearbox absorbs instantaneous torque shocks from contaminated material and supports reliable forward-reverse cycling. Available in K-series and ZQ-series housings sized to the motor and cutting load.

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Key Features

Wider Feed Chamber

A 300 × 350 mm chamber provides greater listed width than the 150 model.

Selectable Motor Configuration

Available with a listed 3 kW motor or optional 5.5 kW configuration.

Recycling Pretreatment Applications

Intended for size reduction before subsequent material processing.

Project-Specific Configuration

Customizable voltage and cutter thickness support agreed installation and processing requirements.

Applications & Use Cases

Plastic Recycling

Shreds HDPE, LDPE, PET bottles, films, crates and mixed plastic scrap for washing, granulation or energy recovery.

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Tire Recycling

Reduces whole and scrap tires into 30 – 50 mm chips for rubber mulch, pyrolysis or downstream granulation.

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Industrial Waste Processing

Mixed factory waste, cardboard, wood pallets, packaging material and light scrap — one shredder handles the lot.

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E-Waste Recycling

PCB boards, cables, small appliances and electronic scrap — reliable shredding before copper recovery or disposal.

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Metal Scrap Processing

Light-gauge sheet metal, stamping offcuts and mixed scrap — reduces volume and separates contaminants for downstream sorting.

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Frequently Asked Questions

Q Why choose the 300 model if the 150 uses the same listed motor power?

The 300 has a larger listed chamber, which may accommodate different feed geometry. That does not establish a proportional throughput increase. Compare material engagement, drive specifications and trial results for your actual waste stream.

Q Can the 300 model produce finished plastic granules?

It should be evaluated primarily for shredding and pretreatment. Where downstream processing requires controlled regrind dimensions, a granulator and screen may be needed. Define the required output before deciding whether one processing stage is sufficient.

Q Why might the shredder reverse frequently during operation?

Frequent reversal warrants investigation of feed loading, difficult material sections, cutter condition and discharge restrictions. It does not by itself identify the fault. Record the material, feed method and controller events for technical diagnosis.

Q Which output requirements should I specify before ordering?

State acceptable particle dimensions, oversize limits and the downstream equipment requirements. "Small pieces" is too vague for acceptance. Agree on a sampling method and retain trial output as a reference for the final configuration.