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Thanks for you responses. I do not have much experience testing O-rings for leaks. I was assuming that Helium/Air would leak in this situation just because the molecules were small regardless of design. Eltron - from what you are saying the helium and air should not leak past the O-ring if...

I am trying to develope a test to verify that an O-ring is sufficiently sealing. The O-ring is used to keep WEG out of the electronics portion of the unit. The WEG is being used to cool the unit. I want to test the unit by pressurizing with air instead of pumping WEG. I want to use air for...

We haven't been seeing any winding issues. They seem to be holding up. They don't seem to be shorting either. Most of the issues I believe are being caused by overheating of the plenum. Once the powdercoat fails I believe the cooling fluid is getting around the encapsulate between the...

3M Scotchcast 5555 powder coat is being used. I believe it is rated for use with oils. However I do not know how it reacts with heating and cooling cycles and the thermal expansion of the stainless steel it is bonded too. From others experiences do you find that powdercoats are usually not...

ATF = Automatic transmission fluid

Hello, I am trying figure out the root cause of ATF fluid leaking into the stator rotor gap leading to horsepower loss and eventually motor failure. The ATF is used to cool the motors by flowing through the windings and pulling heat out. ATF is pumped through the gearbox and into the motor...

Thanks for the responses. I haven't had much time to work on the equations as I have been doing physical tests. Lyle, thanks for the formula. I will take that and start plugging in some numbers. I am pretty confident in the pressure value for the average. The number has quite a range...

Hello All, I have been tasked with theoretically finding what the flow rate through the windings of a stator would be based on the given information. I have been tasked with this although it is out of my expertise. Any help would be greatly appreciated. I began by using the formula Q = AVK...

I was looking more for a turn key system.

Hi, I have been researching conveyor systems and have not been able to find anything on power and free conveyors that are not overhead. I would like the versatility of the widget stopping while the rest of the line could keep moving. I am looking to do assembly work on the conveyor and need...