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Advice on LCP-POM wear?

Advice on LCP-POM wear?

Advice on LCP-POM wear?

(OP)
Hi all, [Cross posted to a materials sub-forum]

I'm designing a pair of hubs with 3 rollers sandwiched between them as part of a peristaltic pump.  I'm trying to determine if POM rollers (compounded w/ PTFE and silicone, LNP's Lubricomp KP004) will have excessive wear if rolling against LCP (Vectra or similar, compounding not decided yet) bearing surfaces.

The application is not an extreme temp, low speeds (60 rpm) and low forces (3 lbs max force on a single roller).  LNP doesn't have any wear data for LCP, and the LCP vendor I'm considering (Ticona) is checking with their engineers.  I thought I'd post here to see if anyone has experience w/ these two polymers together or could offer some guidance in finding more info.

Thanks in advance for any help!

-Adam Hartman
Mechanical Engineer
Flextronics Medical
Dallas, TX, USA  

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