Hydraulic briquetting press for grinding sludge, aluminum chips, metal shavings, etc., briquetting p

RUF RBK 55/2500/120 S

Revolver Briquetting Press RUF Type RBK 55/2500/120 S

Hydraulic pellet press or briquetting press for grinding sludge
ALU chips, metal shavings, or similar materials
Serial No. 70002 Year of manufacture: 2009
Briquette diameter: 120 mm
Briquette length in pre-compactor: approx. 120 mm
Pressing force in pre-compactor: 30 tons at 260 bar
Briquette length in main compactor: approx. 80 mm
Main press cylinder force: 250 tons at 260 bar
Main press cylinder stroke: 120 mm
Counter press cylinder force: 250 tons at 260 bar
Counter press cylinder stroke: 15 mm
Main press cylinder piston diameter: 350 mm
Press cycle time: approx. 30 sec. with grinding sludge with low residual oil content
Hopper size of screw conveyor: 1000 x 600 mm
Hydraulic motor power: 37 kW
Electrical connection: 400 V, 50 Hz, 45 kW
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- Revolver with 5 stations for high material throughput
- Pre-compaction stage for feeding material into the revolver disk
- 2 opposing main press cylinders with 120 mm and 15 mm stroke
- Ejector cylinder for discharging finished briquettes from the revolver disk
- Infinitely variable hydraulic speed adjustment for each pressing stage
- Previously used for grinding sludge from metalworking
- Material bunker as a hopper with screw conveyor
- In 2018, the machine was fully overhauled by RUF
- In 2020, a new SIEMENS Simatic touch panel was installed
- Only a few operating hours since overhaul
Very good condition

Grinding Sludge Recycling
- Major cost savings through coolant recovery
- Significant reduction in disposal costs thanks to volume and weight reduction of grinding sludge
- Grinding sludge briquettes with low residual oil content may potentially be classified as 'non-hazardous waste.'

Practical test on 15.01.2026 with aluminum shavings:
With optimized parameters, the machine achieves a pressing output of 230 kg aluminum chips per hour.
A further increase in performance appears possible in principle, but could not be verified due to lack of material. (see video)

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