How to insure reliable signal transmission in high speed operation

Nowadays, slip rings are used in many different applications widely in this modern

industry automation process, which solves various signal and current transmission

between rotating part and fixed part of mechanical joint. Usually, the metal ring and

the surface of brush wire need to do high quality plating surface handling, also most

of covering layer is precious metal which primarily meet good conduction, wear-

resistant, corrosion resistant performance of slip ring.

Slip ring is mostly used in civilian field, many of them are high technology and high

demand applications, this kind of slip ring should always work continuously under

high temperature, shock, high speed rotation conditions and so on. In such case,

slipring should satisfy with high performance demand, also supplier must take

advantage of test result to prove reliable operation of slip ring in special environment.

For example, you can make different test under various temperature and working

speed for slip ring, then the difference of temperature and working speed could lead to

voltage signal and noise change. Through the test proof that the increasing of working

speed and temperature will be result in greater voltage signal noise in vacuum

condition . Even if temperature could be from -20℃--+80℃ and working speed rise

to 1.2m/s, the SNR is still greater than 278/1, herewith we can arrive at a conclusion

that, the temperature and working speed of slip ring do not has much impact to

electrical signal transmission, they basically can be applied in the same environment.

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