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mayr0214The torque measuring shaft coupling "Roba-DSM" from Mayr based on the proven play-free Roba-DS shaft coupling. The range of application of this torque measuring coupling ranges from test bench on the use for series machines to Condition Monitoring. The system provides a simple condition monitoring of machines and plants. Using data from the coupling to the machine can be optimally utilize.

Measurements on rotating parts require the transmission of energy to the rotating part and the transmission of data from the rotating part. In the past, energy and data were mainly transmitted inductively. This principle has some disadvantages in comparison to the wireless data transmission of the new Roba DSM such as short distance, more complex assembly, lower tolerances in vibration and concentricity. Stored systems also require a torque arm. The Roba DSM does not require enclosing and thus only small space. The stator can be easily mounted anywhere on the circumference. When setting the stator, large tolerances are allowed in all directions. The possible distances of up to 5 mm are significantly greater than with comprehensive systems.

The torque measuring Roba DSM uses two completely separate ways of transmitting power to the rotor and transmitting data to the receiver. With its high bandwidth of up to 3,5 kHz, it also reliably captures fast, dynamic processes. The preparation of the data on the rotor enables optimal gain and offset compensation. On the rotor there is a programmable amplifier, which is programmed via the radio interface. This allows the user to perform offset compensation directly on the rotor even after installation. In addition, he has the ability to set address coding and radio channel using software.

The use of a coded radio system in the 2,4 GHz ISM band is not permitted in the EU by means of general approval. The system can also be used in other markets, but additional approvals are required. The system uses up to 80 channels. This makes it easy to operate multiple clutches in the same environment.

At the receiver, the function of the radio connection can be controlled via a simple display. Like industry standard systems, the Roba DSM provides an output signal of ± 10 V for the right / left torque, which can be used as input to a PLC. It also offers a USB interface, via which the digital measurement data can be read on PC or laptop.
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NORD
Mayr
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