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I have a situation in which there is cogged drive belt that is non-continous. This application is very limited for space and therefore a seperate tensioner pulley is not acceptable. The belt is about 1cm in width and never does a complete revolution. There is a mechanical device connected to a...

Thanks guys you have been quite helpful. You raised a good point that I had forgot to mention earlier as well. That the water supply being used is a 'millipore' water supply, which is de-gassed in order to help prevent bubbles from forming.

the flow rate currently is 2 ml/sec and an average pipe size is around 2 mm. There are many different sized pipes thoughout the manifold that connects these pumps together. I have already done analysis of the fluid system and arrived at a pressure at the pump. I also have performed...

I am running several pumps in parallel that are pumping water. A major concern for our application is that bubbles will form because the bubbles will cause our accuracy to be destroyed. I have found a little information on the bubble point of liquids but I am not familiar with the topic of...

You should check out a company called Igus Inc. that specializes in the area of plastic sleeve bearings. These are called bearings but look much more like a bushing. These Igus bearings have some amazing qualities for a cheap bearing.