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Romax wins Ford business for transmission NVH

Romax Technology has been designated as the principal engineering tool for predictive analysis of automatic transmission gear whine at Ford. The analysis system offers a significant reduction of CAE processing time, says Romax.

The software has been integrated into Ford’s transmission design and development process, after extensive correlation and validation work between Romax and Ford's transmission NVH engineering team.

Romax Technology, formed in 1989 by Dr SY Poon, pioneered full-system flexibility and its integrated software encompasses over 12 years of development and benchmarking in partnership with OEMs and extensive research with top academic establishments.

The software offers integrated systems for NVH and bearings analysis through software tools, process, training and engineering services.

Dr Takeshi Abe, Ford technical fellow, NVH, commented: “Romax tools allow us to transform the transmission NVH process from a test-based hardware iterative approach to a process focused on up-front design optimisation.

"This new process not only provides cost savings by decreasing repetitive hardware testing, but most importantly makes it possible to design quiet transmissions more accurately than ever before.

"Furthermore, Romax provides the capability to perform structural analysis of an entire gear train system, including compound planetary gear sets of the transmission and hypoid gears of the axle.”

Mario Felice, technical leader, powertrain NVH CAE, at Ford, said: “Designing a nominal gear train that meets customer targets is just not enough anymore.

"Based on the technical collaboration between Romax and Ford, statistical modules were created that allowed us to factor in the manufacturing variability and initial design tolerances as part of the upfront gear whine evaluation process. This provides invaluable insight into the robustness of the gear train design early in the development process."

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