Four shaft shredder 80-80SA

papermetaltire

Main features:

• Cutting chamber: 800×800 mm
• Installed power: 22 kW (11 kW + 11 kW)
• Drive: gear-driven in oil bath
• No. of cutter shafts: 2 (plus 2 conveyor shafts — four shafts total)
• No. of hardened cutters: 42
• No. of conveyor disks: 21
• Average cutter speed: approx. 18 rev/min
• Estimated production: 350–650 kg/h (depending on material and screen)
• Safety: emergency stop, hopper closed contact, safety micros on frontal gate
• Standards: CE

Accessories on request:

• Gear or serrated conveyor disks
• Interchangeable hopper
• Interchangeable screen (various diameters)
• Custom base

Recommended applications: Medium‑size multipurpose industrial shredder suitable for processing a wide range of waste and bulky items. Can be integrated into continuous production lines. Typical materials: large wood pieces, pallets, rags, plastic, leather, tyres, paper, cardboard, packaging, polyethylene strapping, plastic film, PET bottles, metal cans, upholstery, bumpers, small trunks, tarpaulins, production scrap, extrusion head/tailings, documentation, etc.

Shredder construction features:

• Very thick electrowelded steel frame
• Bearing housings with sealing against dust and liquids
• Replaceable anti‑wear side plates isolating cutting chamber from bearing flanges
• High‑section shafts fitted with 42 special anti‑wear steel cutters and 21 conveyor disks for handling bulky objects
• Staggered cutter tooth arrangement for improved grip and cutting progression
• 2 epicyclic reduction gears with axes parallel to cutter axis
• Drive system with steel gears and pinions running in oil bath
• Electrowelded sheet‑metal hopper for front or top loading with sliding cover and anti fly‑back rubber strips
• Base prepared for connection to extraction unit or equipped with protection nets and safety gate micros

Control system characteristics:

• Electric panel compliant with CEE/CE standards with torque limiter to reverse pusher in case of overload
• SIEMENS S7‑1200 PLC for plant peripheral control
• SIMATIC SIEMENS touchscreen for parameter adjustment
• Software prepared to manage feeding, grinder and extraction systems
• Emergency stop and safety functions
• ISVE MAINTENANCE PROGRAM: scheduled maintenance alerts
• Option for remote monitoring and ISVE Server Connect

Accessories / Options (detailed):

• Interchangeable screen determining final particle size (examples: Ø 14, 16, 20, 25, 30, 35 mm)
• Sliding top hopper cover with rubber strips
• ISVE Server Connect: internet module for automatic monitoring, remote parameter adjustment and software updates
• Control panel options: torque limiter, SIEMENS S7‑1200 PLC, 6" color touchscreen, software for loading/grinder/suction control, remote assistance preparation

Technical specifications:

• Model: 80‑80SA
• Cutting chamber: 800 × 800 mm
• Installed power: 22 kW (2 × 11 kW) / 30 HP (15 + 15 HP)
• Drive: gear reduction in oil bath with steel gears and pinions
• Cutter shafts: 2
• Hardened cutters: 42 (special anti‑wear steel)
• Conveyor shafts: 2
• Conveyor disks: 21
• Average cutter speed: approx. 18 rev/min
• Production capacity: approx. 350–650 kg/h (material dependent)
• Reduction gears: 2 epicyclic
• Motors: 2 × 11 kW, 6‑pole, multi‑voltage/multi‑frequency, IE3
• Optional interchangeable screens (various diameters)
• Safety: emergency stop, hopper closed contact, safety micros
• Standards: CE