Metering | Conveying system

Das pneumatische Dosiersystem (1) Funktionsprinz_DMC_Primera_181228

The pneumatic metering system

For Primera DMC 3000/-C, 4500/-C, 6000-2/-2C, 9000-2/-2C, 9000-2C Super and 12000-2C with open hoppers.

Principle of function:
1. Seed
2. Fertiliser
3. Air flow
4. Distributor head
5. Land wheel
6. Divided hopper on the C-versions of the Primera DMC, seed hopper
7. Fertiliser hopper
8. Blower fan
9. Metering system with injector
10. Hoop ring
11. Chisel opener

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Das flexible Druckbehälter-Dosiersystem (1) Foerderstrecke_DMC_12001_001_d1_141218

The flexible pressurised hopper metering system

For Primera DMC 9001-2C and 12001-2C with enclosed pressurised hopper.

Example: Seed and two different fertiliser types – Single-Shoot system:
1. Seed: 50 % / Fertiliser 1: 50 %
2. Seed: 50 % / Fertiliser 2: 50 %
3. Seed
4. Fertiliser 1 
5. Fertiliser 2
6. Air flow
7. Pressurised hopper for seed / Gate 50/50
8. Pressurised hopper for fertiliser 1 / Gate 50/50
9. Pressurised hopper for fertiliser 2 / Gate 50/50

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Dosierwalzen für verschiedene Saatgüter (1) Dosierwalzen_kombi_3er

Metering cassettes for different seed types

1. 20 ccm: e.g. for phacelia, rape, stubble turnips
2. 210 ccm: e.g. for barley, lupins, rye
3. 600 ccm: e.g. for spelt, oats, wheat

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Optionale Dosierwalzen (1) Dosierwalzen_kombi_6er

Optional metering cassettes

1. 7,5 ccm: e.g. for poppy
2. 40 ccm: e.g. for flax, lucerne, oil radish, red clover
3. 120 ccm: e.g. for millet, maize, mustard, sunflowers
4. 350 ccm: e.g. for grass seed, wheat
5. 660 ccm: e.g. for beans, peas, fertiliser
6. 700 ccm: e.g. for beans, peas, soya, fertiliser - only for Primera DMC 6000-2C and 9000-2C with mechanical metering
7. 880 ccm: For high seed rates

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The mechanical metering system for all Primera DMC

  • Three different metering cassettes (large, medium, fine) ensure, as standard, the precise volumetric metering of the different seed and fertiliser types.
  • Optionally available: metering cassettes for green manure, maize, sunflowers and for peas and beans.
  • Quick exchange of the metering rollers without tools.
  • Precise sealing of the metering housing by a slide.
  • Easy to monitor – metering rollers are visibly well arranged.
  • The seed rate setting is done on the infinitely variable Vario gearbox (maintenance-free) – proven by more than 150,000 – seed rates possible from 2 to 400 kg/ha.
  • Tool-less set up of the metering units for calibration.
  • Complete emptying of the hopper residues by the opening of a spring loaded flap.
  • Sowing of all seeds – including vegetables – without the cumbersome conversion possible.
  • All components are maintenance-friendly and arranged with good accessibly.
  •  Optionally available: additional mounting kit for maize and sunflower seeds at other row spacings (37.5 cm and 75 cm).
  • Primera DMC 3000/-C, 4500/-C, 6000-2/-2C and 9000-2/-2C: Optional on-board hydraulic system with integrated oil cooling to drive the blower fan.
  • Primera DMC 9000-2C Super, 9001-2C, 12000-2C and 12001-2C: Only with direct drive of the blower fan from the tractor.
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Distributor heads

Advantages of the distributor heads: outside of the seed hopper in view of the tractor driver. Seed hopper clutter-free and easily accessible. Monitoring the seed-fertiliser flow in the transparent distributor head cover. Optional with seed monitoring.

  1. Fertiliser
  2. Seed
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Dust collector

The dust collector reduces the level of dust in the conveying system. This increases the reliability of the tramline control system in the event of heavy dust accumulation and reduces wear in the conveying system.

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Related links

Here you will find further information on seeding technology

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