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Application report - Challenges of a highperformance harvesters

Challenges of a highperformance harvesters

Task:

A precise collection of actual values directly at the place of consumption (propulsion, toppers, and sugar beet transport systems) is an absolute requirement for the optimum balancing of performance requirements of HOLMER highperformance harvesters for various consumers. The entire system must react precisely and quickly to the changing demands of the decentralised consumer.

Example:

>> Harvesting when the soil is looser requires less power for the harvesting module.

>> Driving through deep soil requires more propulsion power.

These parameters can change during a harvesting process with the result that constant adjustment is necessary.

Solution:

Decentralised collection of the actual, current performance needs, from which derives a precise adjustment to the power production. Rotational speed sensors offer an excellent opportunity to record one of the most important performance indicators, namely the rotational speed, in a cost-effective way and without construction restrictions.

The sensor electronics of the fitted SDNx brass sensors (SDN3, FC07, E05J) with asymmetric, one-eyed flange is constructed as a two-channel hall differential sensor. This sensor range complies with the standard DIN 13309 (construction machines, agricultural technology). The sensor is designed to withstand especially high temperatures (up to 160 °C) and pressures thanks to its special brass alloy. The brass sensor complies with protection type IP69K thanks to its intelligently designed sealing system.

The FC sensors have optional dual-frequency outputs, depending on the model, or one frequency and one digital direction of rotation output. The extremely narrow tolerated phase shift of 20° in identifying the direction of rotation means that the sensor provides a highly precise signal and enables highly sensitive controlling.

Application report - Challenges of a  highperformance harvesters

Details

  • Waltershofener Str. 1, 79111 Freiburg im Breisgau, Germany
  • RHEINTACHO Messtechnik GmbH

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