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Kuhn Axis Twin Disc Spreader Takes Control at Cereals 2012
2012-06-14

The introduction of a hydraulic drive machine to its Axis twin disc spreader range offers farmers the best control yet of broadcast fertiliser applications, according to Kuhn Farm Machinery.

Kuhn Axis 50.1 H EMC W
The Axis 50.1 H EMC W ISOBUS

The Axis 50.1 H EMC W, launched at Cereals 2012, incorporates Kuhn’s Coaxial Distribution Adjustment (CDA) technology – a patented feature on all Axis models – as well as hydraulic drive previously only used on the Axera range. This combination of proven technologies allows on-the-move adjustment of application rates, integration with GPS, and – through independent control of each disc - on-the-move adjustment of spread patterns according to borders and field shape. The EMC (Electronic Mass Control) facility provides an automatic and instant monitor of fertiliser spread, whilst two high capacity weigh cells provide a constant record of the amount of fertiliser in the hopper.

The standard Axis 50.1 H EMC W machine has a 4,000 litre hopper and is adjustable to spread from 18 metres up to a theoretical maximum of 50 metres. It is available ready to operate directly through a tractor’s ISOBUS terminal, or supplied with the CCI 100 control box for use with tractors without an ISOBUS terminal.

Other features of note include the electrically driven agitators (which stop automatically when the aperture is closed to minimise any grinding of fertiliser at the hopper base), plus – for GPS-controlled machines – a facility to automatically switch the spreader on and off at the headlands and adjust the working width on short work. The Axis 50.1 H EMC W comes with a ladder as standard.

The Axis 50.1 H EMC W ISOBUS (without control box) starts at £30,121 plus VAT.

Coaxial Distribution Adjustment (CDA)

The patented distribution technology known as Coaxial Distribution Adjustment (CDA) lies behind the Axis’s ability to maintain consistently accurate spread patterns automatically at varying forward speeds and/or application rates. CDA (a facility for varying the fertiliser drop point onto the disc) alongside innovative hopper and agitator design, also allows a maximum mass flow rate of up to 500 kg/minute.

Electronic Mass Control (EMC)

Independent hydraulic drive to each disc allows the actual amount of fertiliser spread to be monitored via the pressure at each disc motor. Using this information, an electronic management system controls the position of actuators and, in turn, the precise application rate in relation to target rate, width of spread, and forward speed.

The electronic regulator automatically compensates for any variation in fertiliser “flow-ability”, and hence there is a reduced requirement on the operator to monitor flow, and the system is capable of identifying a blocked hopper outlet instantaneously, for example.

The EMC system also avoids the need for conventional static calibration testing, as the machine makes the adjustments automatically from simple pre-programmed data.

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