Seed hopper | Singling | Coulters


Large, centralised seed hoppers

Quicker filling and emptying, quicker seed change - the big central seed hoppers are comfortably accessible and quickly filled. This results in an additional increase in efficiency. In addition the hoppers offer a much greater volume, so much so, that now more hectares can be sown without stopping. .

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Tramlining/Individual row shut-off

Narrower row spacings require tramlines enabling the application of phosphate or other fertilisers in the growing crop without damaging the plants. Thanks to their electronic control EDX precision air seeders can be equipped with the relevant tramline control. At the same time, using the individual row shut-offs, for example, when sowing in wedges, the individual rows can be switched off and on where appropriate.

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Central coulter pressure adjustment

As standard, the pressure adjustment for fertiliser coulters and sowing units is carried out via the valve taps on the machine. Even more comfortable is the electric remote control, available as an optional extra, enabling to set the pressures via the AMATRON 3 terminal in the tractor cab.    

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Central coulter pressure

As standard, the pressure adjustment for fertiliser coulters  and sowing units is carried out via the valve taps on the machine. Even more comfortable is the electric remote control, available an optional extra, enabling to set the pressures via the AMATRON 3 terminal in the tractor cab.

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Precise placement depths

The position of the furrow former and thus the desired seed placement depth can be adjusted individually via the spindle. In this way, individual coulters, such as for instance in a tractor wheel track, can be set deeper. The maximum placement depth is 10 cm.    

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Maize, sunflowers and rape - all is possible!

Whether for maize, sunflowers or rape - not only for sowing different crops, but also for different sizes of maize grains, singling drums are available which can be exchanged quickly and easily. .

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Gentle travel of the sowing units

There are two 500 mm diameter rollers per sowing coulter, which run extremely smoothly thanks to their wide ground contact area, supporting the complete sowing unit. The pressure on the carrying rollers also can be adjusted centrally and hydraulically and thus be matched to the prevailing soil conditions. The maximum pressure is 200 kg/unit, ensuring a gentle travel of the sowing units and thus the optimum placement depth.

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Quick central adjustment of the stripper fingers

The adjustment of the stripper fingers is no longer carried out individually for every row but - thanks to the central singling drums - for several rows at the same time.

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Test results: the EDX technology in comparison

During comprehensive placement tests in 2010, different precision air seeders were compared whilst sowing maize. The objective of the test was to compare the placement quality of the new EDX precision air seeder with conventional machines from other manufacturers. The results show an obvious advantage in the EDX technology. (1) Grain spacing along the row For coefficient of variation (CoV), the measure for placement accuracy, the EDX comes off very well in comparison with conventional machines. At 15 km/h the CoV values for the EDX are virtually the same as with conventional machines at slower operational speeds. (2) Placement target Across all operational speeds the EDX achieved the highest number of seeds placed at the target spacing. Even at 15 km/h the placement target values for the EDX was higher than the level of the compared machines working at much slower speeds.

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So functions the Xpress system

Instead of the usual vacuum singling, on the EDX, the Xpress singling and placement system is used. Grain singling and grain placement are separated: By a pressurised system, the seed is kept on the move by the singling set-up and delivered via the seed tube for the precise placement in the seed furrow enabling operational speeds of up to 15 km/h to be achieved. AMAZONE offers two singling drums for each of the three cultures; maize, sunflowers and rape, so that, even with the differing properties (shape, size, etc.), the seeds can always be cleanly singled. The precise pneumatic singling of the seeds is performed, depending on machine model and row spacing, from 6 up to 16 rows simultaneously via the centralised singling drums (1). The stripper finger (2) adjustment for singling a grain to each of the holes in these drums is carried out centrally. After the singling process, the seeds are then “shot” via the seed barrels (3) into a separate placement zone, the so-called Xpress catcher system with furrow former (5) and catcher roller (6). Behind the two leading cutting discs (4) the furrow former (5) makes a furrow profile in a rectangular shape. The following catcher roller (6) covers right up to the edges of the furrow so that the seeds cannot roll out of position but are safely caught and pressed into the furrow even in unfavourable soil conditions. This ensures the optimum placement quality. As the catcher roller (6) is arranged neatly behind the furrow former (5) the placement quality remains constant even at increased forward speeds. Another advantage compared to a conventional precision air seeder is that the placement accuracy from the Xpress catcher system is now independent of the state of wear of the sowing coulters.

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