Harrow is a secondary tillage implement that cuts the soil to a shallow depth for smoothening and pulverizing the soil as well as to cut the weeds and to mix the materials with the soil. Disc harrows are most widely-used harrow. They are tractor-driven and are raised either by a three-point lift or hydraulically by wheels.
Main components of disc harrows are notched disc blades. Disc blades are perpendicular to the floor, and there is an adjustable inclination angle between blades and direction of forward motion. During operations, pulled by the tractor, disc harrows rolling on, disc blades cut the grass roots and crop stubble. In this process, fertilizer and pesticide are mixed together with soil. In general, according to configuration form of disc gang, disc harrows can be classified into 3 kinds: Single Action Disc Harrow, Tandem Disc Harrows, and Offset Disc Harrow.
Medium duty disc harrow consists of 2 types: 1BJX series mounted offset disc harrow, and 1BJ series hydraulic offset folding disc harrow.
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1BJX Series Mounted Offset Medium Duty Disc Harrows
Mounted Offset Medium Duty Disc Harrow when mounted on a tractor, becomes a compact unit that can easily be manoeuvred into corners or on short head lands. In addition, the implement being easily attached and transportable in top speeds, little time is lost between the shed and the field. Front disc gangs of 1BJX series mounted offset disc harrows are assembled with notched disc blades, while the rear disc gang adopting plain disc blades. The harrows use high-grade materials, with good quality and long service life. The 1BJX series Middle-duty Disc Harrow could be equipped with tractors with different horsepower (35HP to 120HP ).
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1BJ Series Hydraulic Offset Folding Medium Duty Disc Harrow
1Bj series hydraulic offset disc harrows are suitable for crushing colds on sticky heavy clay soil land after ploughing. They can be used instead of disc ploughs on soft and loose land. Main features are wide space operation, narrow space transportation, convenient folded wings, reliable structure with specially-used rolling bearings. This series medium disc harrows are easy to maintenance, with high productivity. The 1BJ series Middle-duty Disc Harrow could be used with from90 HP to 120HP type tractors.
| 1BJX-1.7 |  |
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| 1BJX-2.0 |  |
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Key features and advantages
- High resistible, heat treated discs notched at front and plain at rear or alternated.
- Easy gang angling adjustment with locking device.
- Increased inter-disc spacing and disc scrapers preventing trash built up.
- For heavy and hard land conditions optional weight bullets for better penetration.
- Spacers and bearing housings made from steel for trouble free long working life
Technical data
Mounted Offset Disc Harrow
| Model | 1BJX-1.7 | 1BJX-2.0 | 1BJX-2.2 | 1BJX-2.4 | 1BJX-2.5 |
|---|---|---|---|---|---|
| Dia. Of disc blades(mm) | 560 | 560 | 560 | 560 | 560 |
| Disc spacing(mm) | 230 | 230 | 230 | 230 | 230 |
| Linkage | Three point- mounted | Three point- mounted | Three point- mounted | Three point- mounted | Three point- mounted |
| Matched Power(HP) | 25 ~ 35 | 35 ~ 45 | 40 ~ 50 | 45 ~ 60 | 55 ~ 60 |
| Size(mm) | 1960*1880*1317 | 1980*2240*1317 | 1980*2470*1317 | 2780*2570*1340 | 2970*2680*1460 |
| Thickness of disc blades(mm) | 4 | 4 | 4 | 4 | 4 |
| Weight(Kg) | 400 | 434 | 463 | 604 | 700 |
| Working depth(mm) | 140 ~ 180 | 140 ~ 180 | 140 ~ 180 | 140 ~ 180 | 140 ~ 180 |
| Working efficiency(ha/h) | <=1.3 | <=1.5 | <=1.6 | <=1.8 | <=1.9 |
| Working width(mm) | 160 ~ 180 | 190 ~ 210 | 210 ~ 230 | 230 ~ 250 | 240 ~ 260 |
Hydraulic Offset Folding Medium Duty Disc Harrow
| Model | 1BJ-4.0A(1BQ) | 1BJ-4.0 | 1BJ-4.4 | 1BJ-5.3 |
|---|---|---|---|---|
| Dia. Of disc blades(mm) | 560 | 560 | 560 | 560 |
| Linkage | Traction | Traction | Traction | Traction |
| Matched Power(HP) | 80 ~ 100 | 80 ~ 100 | 80 ~ 120 | 100 ~ 150 |
| Net Weight(kg) | 1420 | 1560 | 1750 | 2150 |
| Numbers of blades(pcs) | 36 | 36 | 40 | 48 |
| Size(mm) | 5320*4400*1130 | 5320*4400*1130 | 5320*4800*1130 | 5720*5720*1130 |
| Size(Shipping status)(mm) | 3700*1200*980 | 3700*1200*980 | 3700*1200*980 | 3700*1200*980 |
| Thickness of disc blades(mm) | 4 | 4 | 4 | 4 |
| Working depth(mm) | 140 ~ 180 | 140 ~ 180 | 140 ~ 180 | 140 ~ 180 |
| Working width(mm) | 390 ~ 410 | 390 ~ 410 | 430 ~ 450 | 520 ~ 540 |
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