SOWING HEART HD-II
SEEDING HEART WITHOUT SEALS
NO FRICTION, NO WEAR.
Precise singulation of small, large, round, elongated and flat seeds. Scrapers can be infinitely adjusted to suit seed size and type. During calibration the correct filling of the seed disc can be monitored via a window.
Reduced maintenance costs.
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The vacuum interruptor closes the holes of the seed disc from the back side. The vacuum is interrupted and the seeds drop down controlled from the seed disc.
By using a vacuum , the seeds are sucked out of the stock and transported directly to the seed disc. While turning the seed disc the seeds are allocated to each of the holes.
The opto-electronic sensor controls the correct allocation of seeds on the disc. In case of missing seeds, the sensor transfers a signal to the terminal. The opto-electronic sensor also serves as a low level sensor. The seed disc turns on to the point of drop. The seed disc is directly fixed to the turning back of the vacuum heart. No sealing in the seedheart (only at the bearing backside) ensures a constant vacuum, an easy rotation of the seed disc with minimised friction, low power requirement and no wearing.
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The end-scraper cleans the seed disc from seed residues, like coating or dust.
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The filling height limiter regulates the stream especially of small seeds.
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The emptying flap at the lowest point of the seeding heart enables a complete, easy emptying and cleaning of the seeding heart. The vacuum hose connected with the fan or vacuum channel ensures constant vacuum. This is shown on a manometer, which is easily visible from the cab.
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The adjustable, upper toothed scraper singulates the seeds - one to each hole.
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The adjustable, lower scraper ensures high precision, even of bigger seeds. It turns the seed into the correct direction. This is important for elongated seeds like sunflowers.
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KVERNELAND OPTIMA
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