Four shaft shredder 80-90S

papermetaltire

Main features:

• Cutting chamber: 900×800 mm
• Installed power: 44 kW (22 kW + 22 kW) — 60 HP (30 HP + 30 HP)
• Drive: gear transmission, oil bath with steel gears and pinions
• Number of cutting shafts: 2
• Number of knives (tool thickness 25 mm): 32
• Number of conveyor shafts: 2
• Number of conveyor upper knives: 32
• Rotating speed: 18 RPM
• Capacity: 0.8-1.2 t/h
• Safety equipment: emergency stop, hopper safety switch, frontal gate with safety micro

Accessories on demand:

• Interchangeable hopper
• Interchangeable screen
• Base size to order

Application notes:
Medium-duty multi-purpose machine suitable for shredding a wide range of waste materials, including large volumes. It can be integrated into a production line for continuous operation. Recommended for shredding large wood pieces, pallets, rags, plastics, leather, tyres, paper, cardboard, packaging, polyethylene strapping, plastic film, PET bottles, metal containers, upholstery, bumpers, small trunks, tarpaulins, paper documents and various plastic scraps.

Shredder construction:

• Heavy gauge electrowelded steel sheet frame
• Barrel roller bearing housings with sealing system against dust and liquids
• Interchangeable anti-wear side plates with separation cavity between cutting chamber and bearing flanges
• High-diameter shafts fitted with 32 special wear‑resistant steel cutters and 32 conveyor discs to facilitate gripping of bulky objects
• Tool thickness: 25 mm
• Staggered cutter tooth arrangement for improved feeding and cutting progress
• 2 epicyclic (planetary) reduction gears with rotation axes parallel to cutter axis
• 2 multi-voltage, multi-frequency motors 22 kW each, PREMIUM efficiency class (IE3)
• Oil-bath drive system with steel gears and pinions
• Cutting chamber dimensions: 900×800 mm
• Interchangeable screen to define shredded output size (not included)
• Electrowelded sheet metal hopper for front or top loading
• Base equipped with 3 protection nets and a frontal gate with safety micro
• Weight: 4 t

Control system:

• Electrical panel complying with CEE standards, equipped with torque limiter that reverses the pusher if machine load exceeds set value
• SIEMENS S7-1200 PLC managing peripheral units
• 6" color touchscreen for parameter adjustment
• Software configured to control loading system, grinder and extraction plant
• Emergency stop and safety control functions
• ISVE MAINTENANCE PROGRAM: maintenance scheduler with alerts
• Prepared for remote assistance and ISVE safety server connection (real-time supervision)
• CE compliant

Technical specifications:

• Model: 80-90S
• Cutting chamber: 900×800 mm (also referenced as 800×900 mm)
• Installed power: 44 kW (22 kW + 22 kW)
• Drive: gears, oil-bath with steel gears and pinions
• Number of cutting shafts: 2
• Number of knives: 32 (tool thickness 25 mm)
• Number of conveyor shafts: 2
• Conveyor upper knives: 32
• Rotating speed: 18 RPM
• Capacity: 0.8-1.2 t/h
• Motors: 2 × 22 kW, IE3
• Weight: 4 t
• Safety: emergency stop, hopper safety switch, frontal gate with safety micro
• Optional: interchangeable hopper, interchangeable screen, base size to order