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Janne Jokela
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Taneli Jokela
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050 320 8174

Tero Lahtinen
tero.lahtinen@ammattilehti.fi
050 464 7972

Satunnaiset kuvat

IMS-A position measuring system now with DRIVE-CLiQ interface

07.10.2016 9.00

interfacee.jpg

Plug in, determine the measurement section and that's it: Bosch Rexroth makes it even easier to set up the new IMS-A measuring system integrated into linear guides using the additional DRIVE-CLiQ* interface. This Ethernet-based interface recognizes the electronic nameplate of the highly accurate and robust new absolute value measuring system.

Since the system's introduction on the market, it has been possible to set it up within a matter of minutes in conjunction with HIPERFACE** and the Rexroth drives IndraDrive. Supplemented by the SSI interface, IMS-A now provides holistic support for universal implementation in machine tools, additive production processes and other applications requiring high levels of precision.

The combination of guiding and measuring in a single component significantly reduces the mechanical installation effort in the machine. The DRIVE-CLiQ* interface now also shortens the electrical start-up when it is used with Siemens drives and controls. With the Plug & Play encoder system, the person performing the setup merely has to determine the respective zero point of the machine and the measurement section. As well as the retrieval of diagnostic information, DRIVE-CLiQ* also enables all other information to be transferred automatically from the electronic nameplate of the IMS-A.

The absolute position is transferred with a resolution of 25 nm, while the repeatability is better than +/- 0.25 µm. The integrated scale is available at an accuracy of up to +/- 3 µm/m, and lies in the glass scale range. With the IMS-A, engineers can use several runner blocks on an up to 4,500 mm long profile rail independently and without any accuracy limitations. Even after a power failure, the measuring system still reports the exact position of the axis upon being switched on again without a homing cycle.

The absolute position measuring system integrated into the linear guides operates without contact and is therefore wear-free. Even in working spaces with coolants, dust, shavings and other contaminants, the IMS-A does not require elaborate energy-eating air purge systems. This means that the regular replacement or cleaning work that would usually be necessary for glass scales in these environments is no longer required. The machines are not available while such work is being carried out. The measuring system is not sensitive to magnetic fields or vibrations and shocks. The sensors and evaluation electronics are located in protective housing on the end face of the runner block. Design engineers thus save the space for external measuring systems. Rail guides equipped with the IMS-A fit into existing machine designs without any constructional alterations in virtually every case.

*DRIVE-CLiQ is a protected trademark of Siemens.

**HIPERFACE is a protected trademark of SICK STEGMANN GmbH.

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