Bale wrapper - SIPMA OS 7650 GAJA

SIPMA OS 7650 GAJA bale wrapper is fully automated selfloading machine, attached to the tractor. Full automation of the process is provided by an advanced control system which allows pre-programming a wrapping cycle.

Bale wrapper - SIPMA OS 7650 GAJA
Bale wrapper - SIPMA OS 7650 GAJA
Bale wrapper - SIPMA OS 7650 GAJA

SIPMA OS 7650 GAJA bale wrapper is fully automated selfloading machine, attached to the tractor. Full automation of the process is provided by an advanced control system which allows pre-programming a wrapping cycle.

The wrapper is distinguished by an advanced hydraulic system, which was expanded with hydraulically adjustable drawbar. The advantage is also visible in the economics of the wrapping process itself, which saves working time by 12 hours per 1000 bales and reduces fuel consumption by 110 liters per 1000 bales.

With all of the advantages from MAJA bale wrappers series, the bale wrapping machine GAJA has strengthened construction which allows to work with bales that weigh up to 1200 kilograms and an electronic control that shows simulation of work on the display.

  • „Front-back” technological system allows work in the same direction as press works. Such solution ensure fast bale loading and foil-wrapping during ride to the next bale. Coupling with press, ensuring simultaneously baling and wrapping during one ride.
  • Aluminium milled foil film feeder rollers ensure the initial foil stretching, tightness and proper adhesion during the wrapping process.
  • Bale elevator allows for putting bales on their bottom or rolling them on their side surface into the field and also protects the wrapped bale from possible damage during unloading.
  • Wide tyres provide the opportunity to work on wetlands and peat fields.
  • Hydraulic film catcher-cutter works automatically after each bale wrapping process. It provides a considerable acceleration of the wrapping process and its efficiency.
  • Adjustable drawbar the working and transport position enables efficient collection of bales. It also facilitates moving the machine and its transport on access roads (including public roads) to the field.
  • Autonomous hydraulic power system (additional equipment):
    - separates the hydraulic system of the wrapper from the hydraulic system of the cooperating tractor;
    - ensures constant and optimal demand of oil supplying the hydraulic block of the wrapper;
    - maintains a constant level of oil purity in the system.
  • Advanced hydraulic block provides lower flow resistance in the hydraulic system and gives more control possibilities thanks to the option of setting the speed of all working elements of the wrapper.
  • Hydraulic system with Load-Sensing function (additional equipment) contributes to the reduction of fuel consumption and extends the service life of the tractor’s hydraulic pump.
  • Improvement the work culture of the hydraulic system through the double reduction of average work pressure and the reduction of power consumption.
  • Oil filter contamination control signals the need to replace it when the permissible level of its contamination is exceeded.
  • Hydraulically adjustable drawbar to the working and transport position enables efficient collection of bales. It also facilitates moving the machine and its transport on access roads (including public roads) to the field.
  • Sensor on the loading arm enables automatic initiation of the wrapping process.
  • Loading arm smooth regulation of the speed of lifting and lowering.
  • Wrapping table smooth adjustment of rotation speed and lifting and lowering.
  • DUO foil feeder (additional equipment) gives the possibility of wrapping the bale with two rolls of foil at the same time, which in turn significantly reduces the machine’s work cycle. This solution allows for the correct bale wrapping after its 10th rotation (for 4 layers of foil).
  • Drive motor brake makes impossible to move the table during the drive.
  • Additional film sensor an additional sensor of foil stops the bale wrapping process in case of foil breaks or ends.
  • Large LCD graphic display enables a simple and intuitive way to enter operating parameters and clearly shows the condition of the wrapper sensors.
  • Electronic control ensures fully automatic operation of the machine and control of all the parameters of its operation.
  • Functions of the electronic controller:
    - manual or fully automatic operation of the wrapper;
    - graphic visualization of current wrapping process;
    - counting the number of wrapped bales;
    - programming the number of foil layers (depending on the kind of film used), when reached, the machine passages automatically to next work stage;
    - displaying the status of sensors (evaluation of efficiency or inefficiency of their operation) allows to replace damaged sensor, without the need to call the service;
    - displaying the sum of wrapped bales since the installation of the electronic control on the wrapper;
    -  automatic machine setting for work and transport;
    - large LCD graphic display showing the actual work parameters;
    - smooth adjustment of rotation speed and lifting and lowering of the wrapping table;
    - smooth regulation of the speed of lifting and lowering of the loading arm;
    - number of table revolutions can be corrected without interrupting the wrapping process;
    - table rotation speed can be corrected without interrupting the wrapping process;
    - possibility of pausing the automatic table wrapping mode and resuming it at the storage location;
    - foil feeding control - an additional sensor of foil stops the bale wrapping process in case of foil breaks or finishes;
    - controling the condition of the oil filter contamination;
    - editing all parameters of the automatic mode;
    - foreign language support.
Model  OS 7650 GAJA
Bale dimensions    
    bale diameter mm 1200 - 1500
    bale width mm ≤ 1250
Maximum bale weight kg 1200
Foil width mm 750
Wrapper drive   hydraulic
Bale wrapping time sec. ˜ 60
Oil demand l/min. 20 - 90
Power demand kW (HP) ≥ 35 (48)
Equipment    
    bale elevator  
    universal foil feeders (500 / 750)  
    foil rolls feeders  
    hydraulic foil catcher-cutter  
    electronic control  
    lever distributor  
    electrical installation allowing to move on public roads  
    wide tyres 400 x 60 - 15,5  
    hydraulic system with Load-Sensing function  
    autonomous hydraulic power system  
    DUO foil feeder  
    bale marker  
Dimensions in operating position    
    length mm 5760
    width mm 3160
    height mm 2210
Dimensions in transport position    
    length mm 5820
    width mm 2350
    height mm 2430
Weight kg 1420
- standard     - additional equipment    ✖ - unavailable

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SIPMA - Modern agriculture machines

SIPMA S.A.
ul. Budowlana 26
20-469 Lublin, Polska
tel. (+48) 81 44 14 400

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