Sunday, November 19, 2017

Disc roller ‘Contour’ range aims for precision shallow cultivations

November 30, 2016 by  
Filed under Machinery

HEVAdiscrollercontourworking

Machinery manufacturer HE-VA has updated its popular Disc Roller range to improve contour following and allow more precise shallow cultivation.

Originally launched in 2003, the new Disc Roller Contour uses the same disc elements, but also now incorporates the company’s Special Active Transfer (SAT) system. This allows the machine to follow field contours and ensures even consolidation across the full working width of the machine.

Precise depth control and uniform soil movement across the operational width are vital if employing reduced tillage or creating stale seedbeds for blackgrass control.  The new SAT system on the 2017 Disc Roller Contour makes this possible, even on undulating fields.

The model sizes available in the new Contour range have changed to allow machines to tie in with guidance and Controlled Traffic Farming (CTF) systems. Disc section working widths of 3.25, 4.25, 5.25, 6.25m and 7.75m are available.

Each machine utilising a press roller 0.25m wider than the disc section to ensure an even, consolidated finish. The Disc Roller Contour 650, with a 6.25m working width, will be unveiled on the Opico stand at the LAMMA event in 2017.

Opico managing director James Woolway said: “Since its launch, there have been very few changes to the well-proven HE-VA Disc Roller. However, to keep up with farming technology, the new Contour range has been improved and widened.

“We did review the size and profile of the discs, but no other combination was able to move the soil as well as the current 510mm Sabre Disc, so this hasn’t been changed. The Sabre disc is a relatively flat disc and hence moves soil without creating a disc pan, unlike more concave discs.”

The disc roller also incorporates hydraulic depth adjustment and an automatic angle adjustment system, to ensure optimum disc angle for different working depths. Alongside the standard single row of V Profile Rings, the Disc Roller Contour ‘Twin’ model incorporates different roller options.

To ensure the machines are equally effective across a variety of weather conditions, 75mm more clearance has also been added between each row of discs and the roller, to stop blockages even in damp conditions.

A twin V or twin U profile ring can be specified to suit different soils. These new roller options provide different consolidation for specific situations and should ensure that there is a machine suitable for every customer’s needs.

The Disc Roller is capable of primary and secondary cultivations in standard specification, but adding a shatterboard creates a true multi-purpose machine. Shatterboards can be fitted to all trailed models to break down clods, consolidate and level worked soil.

Trailed and mounted versions are available from 2.25m to 7.75m working widths with larger models due later in 2017. A trailed 6.25m Disc Roller Contour will be on display on the Opico HE-VA stand at LAMMA. It retails at £ £39,104 +VAT.

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