Screens for grain cleaning machines

ROMAX is a leading manufacturer of screens for agricultural machinery. Depending on the purpose of use, there are grain, sorting and support sieves. The optimal mode of cleaning of grain and seeds is achieved by the correct selection of sieves according to the needed shape and size of the screen perforation. At the same time, the performance capacity of sieves with enlarged holes is higher than that of sieves with round holes, which, however, gives a certain advantage in terms of separation quality.

Sieves for grain cleaning machines

 

The benefits of the products manufactured at the ROMAX plant:

  • Easy installation of the sieves during the change of crops.
  • The capacity of up to 240 tons per hour is provided.
  • High quality galvanized steel constructions.
  • The efficiency factor of the sieves is 98%.
  • Long service life of the equipment without interruption of operation process.
  • The wide product line represents grain cleaning equipment that is suitable for wheat cleaning, millet cleaning, cleaning of leguminous and oilseed crops etc. On the whole, it is suitable for processing any of 19 types of crops.

The processing of large quantities of grain and seeds with separation of fragments of weeds and grain impurities is carried out by means of grain cleaning machines. The principle of their operation is based on the difference in physical and mechanical properties and morphological properties of grain and its impurities.

Tables of screen selection for grain cleaning machine BETA

Depending on the purpose of the screens there are scalping screens, sorting screens and seed screens. Scalping screens are designed to separate grain from coarse impurities (stem particles, coarse impurities, etc.). The perforation of these screens are selected so that all grain with small impurities passes through, and coarse impurities make up the screenings. Sorting screens are used to separate the seeds of the main crop. Large seeds, in this case, make up the screenings, and small seeds — pass through.

For sorting the seeds of grain crops, screens with elongated holes are used. Seed screens are used to separate grain from small impurities (mineral impurities, weed seeds, etc.). For this purpose, the screens with round and elongated perforation are used.

 

Universal type

 

Industrial type

Grain crop to be cleaned

Name of sieve

 

Grain crop to be cleaned

Name of sieve

 

А

В

С

 

 

А

В,С

Wheat

۞Ø2.0-2.5

۞Ø3.0-7.0

۞Ø5.0-7.0
□3.0-6.0

 

Wheat

۞Ø2.0-2.5

۞Ø5.0-7.0
□3.0-6.0

Rye

۞Ø1.5-2.5

۞Ø2.0-4.0

۞Ø5.0-6.5
□2.6-3.6

 

Rye

۞Ø1.5-2.5

۞Ø5.0-6.5
□2.6-3.6

Barley

۞Ø2.5-3.5

۞Ø3.0-5.0

۞Ø5.0-8.0
□3.6-5.0

 

Barley

۞Ø2.5-3.5

۞Ø5.0-8.0
□3.6-5.0

Oats

۞Ø2.5-3.5

۞Ø5.5

۞Ø6.0
□2.6-3.6

 

Oats

۞Ø2.5-3.5

۞Ø6.0
□2.6-3.6

Millet

۞Ø2.0-2.5

۞Ø2.5-3.0

۞Ø3.0-4.0
□2.0-2.2

 

Millet

۞Ø2.0-2.5

۞Ø3.0-4.0
□2.0-2.2

Corn

۞Ø5.0-6.0

۞Ø6.0-7.0

۞Ø8.0-12.0
□6.0

 

Corn

۞Ø5.0-6.0

۞Ø8.0-12.0
□6.0

Pea

۞Ø4.0-6.0

۞Ø5.0-7.0

۞Ø8.0-12.0
□7.0

 

Pea

۞Ø4.0-6.0

۞Ø8.0-12.0
□7.0

Sunflower

۞Ø2.5-3.6

۞Ø4.0-6.0

۞Ø7.0-10.0
□5.0-7.0

 

Sunflower

۞Ø2.5-3.6

۞Ø7.0-10.0
□5.0-7.0

Buckwheat

۞Ø2.5-3.0

۞Ø3.2-4.5

۞Ø4.5-5.0
▲3.5-7.0

 

Buckwheat

۞Ø2.5-3.0

۞Ø4.5-5.0
▲3.5-7.0

Sugar beet

▲4.0-4.5

۞Ø5.0-6.0

۞Ø6.0-8.0

 

Sugar beet

▲4.0-4.5

۞Ø6.0-8.0

Soybeans

▲6.5
□4.5-5.0

۞Ø7.0-8.0

۞Ø8.0-10.0
□6.5

 

Soybeans

▲6.5
□4.5-5.0

۞Ø8.0-10.0
□6.5

Rape seed

۞Ø1.1-1.3

۞Ø2.2-2.6

۞Ø2.6-3.2

 

Rape seed

۞Ø1.1-1.3

۞Ø2.6-3.2

Explanation of signs in the table:

  • Sign Ø — round holes in the equipment;
  • Sign □ — oblong holes in equipment;
  • Sign ▲ — triangular holes in the equipment;
  • Mark ۞ — hex-shaped holes in the equipment.

ROMAX plant, using its own technology and modern automated production lines, produces screens made of galvanized steel, which differ by their quality and wear resistance.

Name of grain crop

Screen perforation size, mm 

Name of grain crop

Screen perforation size, mm 

Wheat 

15x15 

Spring vetch 

15x15 

Corn 

20x20 

Winter vetch 

15x15 

Pea 

20x20 

Sorghum 

10x10 

Beans 

20х20 

Rice 

15x15 

Spring barley 

15x15 

Sunflower 

20x20 

Rye 

15x15 

Sugar beet 

20x20 

Winter barley 

15x15 

Millet 

10x10 

Soybeans 

20x20 

Rape seed 

10x10 

Hempseed 

10х10 

Oats 

15x15 

Buckwheat 

15x15 

 

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