2008 WEIMA AMERICA, INC. ZMK50 | Shredders
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Heavy-duty industrial shredding machine designed for reliable volume reduction of bulky or difficult materials. It uses four counter-rotating shafts equipped with cutting and clearing discs to grab, shear, and tear materials in a controlled, high-torque, low-speed shredding action
🛠 Configuration
Shredder type: Four-shaft / quad-shaft low-speed shredder (2 cutting shafts + 2 clearing/broaching shafts)
Operation: Low shaft speed (~25 rpm) for high torque and quieter operation
Automatic features: Overload protection and automatic reverse on jam/loading
📊 Drive & Motor
Electric motors: Dual motors — typical configurations include 2 × 15 kW up to 2 × 30 kW (~20 – 40 HP each)
Voltage: 460 V / 3 phase / 60 Hz (common in North America)
Gear drive: Planetary gearboxes for high torque
📏 Mechanical Dimensions
Hopper opening (approx): ~1500 mm wide (feed width) (varies by build)
Cutting chamber working width: ~990 mm (≈39 in)
Rotor (shaft) diameter: ~280 mm (~11 in)
Shaft speed: ~25 rpm (low-speed, high-torque)
Typical overall weight: ~3000 kg (≈6600 lbs)
📦 Cutting & Throughput
Cutting discs: Hardened cutting discs on each shaft (size and number can vary)
Screened output size: Determined by the screen under the shafts — common diameters 10 – 150 mm depending on screen choice
Throughput: Approx 600 – 1500 kg/h (varies widely by material type and screen)
⚙️ Features
Heavy-duty construction with reinforced frame and wear plates available
Changeable screens and optional quick-change screen systems
Flexible feed options (hopper, conveyor, forklift, tipping device)
Discharge via suction, conveyor, or screw conveyor
PLC controls often included for operation and automatic reversal
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