i am working on nano particle based lubricant, i am using pin on disc and four ball to evaluate the lubricant properties. my target application are gear boxes. i want to simulate the gear box condition in laboratory.
Dear Shubrajit Bhaumik, you may use pin on disc wear tests for your goal. The roller analogy allow us to simulate wear of gears too. In last case the rolling with some steps of slippage rate (for example, 5%, 10%, 15% and so on) is realized in contact of two rollers.
Dear Xinmin Li. I would be grateful if you can share the paper please.
I agree with Carlos, twin disk machine is the best choice for such purposes.
Franco
I agree with Carlos and Franco, twin disk machine is the best choice for such purposes. Take care to choose the correct slip and avoid unwanted edge stresses.
Dear Subrajit,
I agree with earlier answers concerning twin disc. In order to fullfill industry standards FZG could be a final test if an improvement is confirmed but FZG is far from being a development test (very expensive samples).
WAM machine (Wedeven Associates: http://wedeven.com/wam.html) has also been developped in order to simulate Rolling to sliding conditions. The configuration is close to twin disc and this machine is a reference for aeronautical lubricants qualification. MTM (Mini Traction Machine http://www.bluesphere.be/images/sites/114/editor/files/MTM2.pdf) from PCS instruments can also be an option. Feel free to ask if more info needed. In Both WAM & MTM, the samples are quite easy to machine.
Regards
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