How is the gearbox connected in the system? You say it is a 1:200 gear ratio. Does this mean for every 1 RPM of the motor the output shaft of the gear box rotates 200 times? SO at 0.1 motor RPM the output of the gearbox is 20 RPM. If so then maybe it is possible to put the encoder on the...
This is funny, I too worked with the UYK 20 but in a different way. My first job out of school was working on design of the UHG 60 which was the data backup system for the UYK 20 utilizing quarter inch tape cartridges. I remember all the manual data input from the front panel via toggle...
Another two cents.
Every Chinese/Taiwanese company I have worked with (hundreds) want to improve their quality and increase their business. Chinese are usually in it for the long haul and do not give up easily. I have rarely seen a company in Asia go bankrupt. They simply do not know how to...
You need to attack the source of the problem. I have been living in Asia for 10 years and have spent many fortnight beating my head against the wall trying to get things like this resolved. The problem you have stems from purchasing. The purchasing dept. is usually beat up by management to lower...
Hi Michael,
I don't know if this will help but I have used an optoisolator in the past to separate the relay coil from the control circuit.
See tutorial on relay drive designs and a little history on relays
http://www.uoguelph.ca/~antoon/gadgets/relays/relays.html
I am an engineer who designs exercise equipment in Taiwan (I am an American). Lewish was correct in pointing out that the eddt current brake is most often as a resistance mechanism. I would not suggest a particle brake as it takes too much current to operate. jbartos had an interesting idea...