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Thanks MintJulep, The problem is that the motor needs to be mounted on a 400:1 reducer already and that is driving another pinion that drives a 12:1 gear train. This is a table that will run really slow! I was hoping to avoid the stack up of reducers.

Thanks to all for the input. I can vouch for our HR person, she is a part owner and this was a sincere request as we have been looking for someone for the past several months. Maybe all the good candidates already have a good computer and a good boss!

I've been looking for a source for a hydraulic motor that has a torque output of 4 to 10 in-lbs and capable of smooth steady rotary motion at less than 20rpm. I have found some motors by Kracht that are in the right torque range but are only rated down to about 200 rpm. Any suggestions?

My company has less than 90 employees, 15 of who are in engineers or engineering support. Products consist of both standard and custom machinery. Our HR person has been inquiring about what makes a company appealing to work for as an engineer and how best to attract good talent. My answer...

mysticpage: The leak detectors are extremely simple to use. They do require some experience in determining what to listen for though.

There are relatively inexpensive ultrasonic leak detectors that work well on gases or steam. I am not sure about the effectiveness on a viscous liquid--but try talking to some of the manufacturers of this equipment. They are effective even on very small leaks in noisy environments. Also if...

I have seen the same result with materials that want to stick to the screw conveyor flights--especially when the conveyor is inclined. I am not familiar with sulfate amonia, but reducing the pitch of the flights (and running the conveyor faster) can help--or coating the flights with a lower...

We are crossing a heavy load over an arched culvert with the footings 15' apart and the top of the footings 10' below the pavement surface. We are proposing spanning the culvert with a 40' span x 20' wide temporary "bridge" which would transfer our load of approximately 900,000 lbs to each...