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operating for. Higher fluid specifications for the latest seal materials has led to a doubling of the testing time in the classic dynamic seal test, from 1008 to 2016 hours. Being able to conduct and evaluate these results enhances our understanding of this area and prepares us for the next step change in performance requirements.


Bearing testing Testing effective wear protection for journal bearings has also come under the microscope. Journal bearings have a greater area of surface contact than roller bearings, but involve a softer metal (often copper alloy, nickel or aluminium alloy) moving against a harder metal – steel.


The challenge is to ensure that the lubricant film forms just as effectively on the softer metal as on the steel, and that this protection is in place from start-up. Being able to examine this closely has helped the understanding of the best chemistries for protecting journal bearings – especially at high temperatures and in the presence of water.


Today and tomorrow


It is a demonstrable fact that technology that stands the test of time in the field is ultimately what counts.


Winning the reliability battle is as much about looking ahead to future requirements as meeting current needs. Close collaboration between gearbox OEMs, part suppliers and oil companies is a vital step towards understanding those changing needs and to quickly build new test capability as required. This enables finished lubricants to be developed with greater speed and confidence.


Whether top tier synthetics with outstanding longevity or mineral fluids with excellent dynamic seals performance, a tried and tested collaborative development approach is crucial if next generation fluids are to get the market’s seal of approval.


LINK www.aftonchemical.com


sealandchem.com | ingevity.com


THE RIGHT PARTNERSHIP. THE RIGHT PRODUCTS. THE RIGHT FORMULA FOR SUCCESS.


Sea-Land Chemical Europe Ltd. is an authorised distribution partner with Ingevity for high-quality speciality additives for lubricant applications.


Diacid 1550™ . Altapyne® L-1 . Altapyne L-5 . Altapyne D 25-30


14


LUBE MAGAZINE NO.165 OCTOBER 2021


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