BDF disk harrow of any width, quality at the level, Kirovohradsk region.

The harrow is produced as a mounted BDF (working width from 1.8 to 3.1 meters), and trailed tractor (working width from 2.4 to 7.0 meters). In both cases, the harrow is equipped with plate-type cylindrical rollers with a diameter of O 400, and harrows with a hydraulic lifting mechanism of the wings (grip width of 5.5 meters and higher) are equipped with a set of rods that allow to install a set of two rollers with a diameter of O 400 and O 255 ​​mm. or from three-row spring-toothed harrow and roller O255 mm.

The BDF harrow rack is a disk working body, which is a cut-out spherical disk (chamois) installed on the hub, with a diameter of 650 mm. and 6 mm thick, with internal sharpening along the entire contour. Thanks to the special geometry of the tubular rack, it is installed at an optimal angle of attack to the line of traction and an angle to the vertical, which ensures high-quality crushing, crushing and turnover of the cut layer.

Unlike similar harrows of other manufacturers, the design of this harrow uses camomile discs (cut-out spherical) with a diameter of 650 mm, a thickness of 6 mm, made of 65G steel. During manufacturing, the discs are thermally treated, which ensures a hardness of 38-46 HRC.

Discs are mounted on hubs that rotate around an axis on roller bearing assemblies at an angle of attack of 21 degrees and a vertical inclination of 21 degrees.
(//tractor-service.com)
The metal anther, which is installed on the axis during assembly, covers the hub, forming a protective structure, which is supplemented by a sleeve with an oil seal inside and an anther outside. The unit is very well sealed from the outside environment due to this design.

The scraper is attached with two bolts with square headrests to a bracket with two grooves, which, in turn, is welded to the rack and when the harrow is working, it cleans the working organ (disc BDF camomile) from sticking soil, winding plants, clogging harvest residues, and also directs the flow of soil in the direction of the harrow and turns it.

In addition to the above-mentioned functions, with the help of a roller for hinged harrows, the depth of soil cultivation is set, which varies, as indicated above, from 8 to 18 cm.

With the help of lanyards, the stroke height (processing depth) of a plate roller with a diameter of 400 mm is adjusted.

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