The electromagnetic brake has a long current of sound
There is the environment is not too much dust and iron night too much will have an impact on the electromagnet, the electromagnet can be opened to wipe oil, extended life.
I don't know where your voice comes from. Does the electromagnetic brake have a controller / electromagnet / brake stand / friction pad?
Each electromagnetic brake are life, such as Wulong electromagnetic brake (industry) 2 million times 10 million times the life of life; elevator brake
