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Cross Wrap Oy Ltd BO 4000

Technical data for the bale opener line for RDF, MSW, paper, cardboard:
Manufacturer: Cross Wrap Oy Ltd., Siilinjärvi, Finland
Model: BO 4000
Year of manufacture: 2015
Number of bales opened: 674 units
Operating time: only 3 days, exclusively during commissioning of the entire plant upon initial installation
Opening time: approx. 45 seconds per bale
Bale dimensions (W x H x L): 1100 x 1100 x 1400–1900 mm
Max. bale weight: 2,000 kg
Conveying height (system): 1,400 mm
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Max. conveyor width (system): 1,200 mm
Materials to be opened: RDF/MSW
System availability: 98%
Noise level of bale opener line: 85 dB(A)
Total connected load: 37 kW
Rated current: 125 A
Operator display: SIEMENS SIMATIC HMI Touch
Control system: SIEMENS S7 ET200S
Installation dimensions: 8,463 x 2,890 x 3,960 mm (L x W x H)

Scope of supply:
- Feeding conveyor: 3,500 x 1,200 x 1,400 mm
- Infeed conveyor to opener: 1,500 x 1,200 x 1,400 mm
- Bale opener (gripper with knife)

Special equipment:
- Oil heater in hydraulic oil tank
- Control cabinet heating
- Oil cooler for hydraulic unit

Explanation regarding the short operating period:
The complete Cross Wrap bale opener line, type BO 4000, was installed in 2015 at a municipal waste incineration plant. The background for installation was that, in the event of operational disruptions or maintenance of the incineration plant, municipal waste could continue to be accepted, compacted, wrapped, and stored until the disruption was resolved. Then, all the bales would be reopened and the waste would be fed back into the normal incineration process.

This worst-case scenario never occurred. The system was installed, commissioned, and never used in regular operation afterwards. Only during commissioning and initial testing were 674 bales opened over three days in 2015. The system is in excellent, immediately operational condition. Due to modifications at the incineration plant, the installation area for the bale opener was needed, so the entire line is now available for sale.

Brief description of the bale opening process:
Pressed bales are placed on the infeed conveyor from the side or rear using a forklift. For opening, the bales must be oriented so that the wire or twine binding runs horizontally to the conveyor; otherwise, the bales must be rotated 90° beforehand. The opening conveyor moves one bale at a time in front of the cutting unit. The grippers secure the wires or twine. The rotating knife cuts the bale lengthwise. Afterwards, the gripper returns to the home position. The opened bale is then conveyed to the discharge chute and falls onto the subsequent conveying system.

Remarks:
Original price of the entire plant: €296,000. Complete documentation (operating manual, CE declaration, electrical/hydraulic wiring diagrams) is available. The system has been dismantled into transportable units, stored, and is available at short notice for inspection and loading. No liability is assumed for the technical specifications or possible errors.

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