Predicting Spline Rumble
All Blogs, Articles & Papers, SoftwareWe look at how to predict rumble in a modern EV gearbox using MASTA, covering quasi-static analysis, a time stepping analysis and manufacturing errors to see how different errors contribute to rumble.
High-Speed Ball Bearings – Challenges and Analysis
All Blogs, Articles & PapersThis article explores and focusses on the behaviour of ball bearings at high speed, but much of it is also relevant to roller bearings.
Sidebands In Gear Noise Due To Manufacturing Errors
All Blogs, Articles & PapersDiscover how the automotive industry uses a high-fidelity MASTA analysis for NVH in electric vehicle drivetrains. This article explores the interplay of manufacturing errors, gear whine, and resulting noise.
Modal Testing Validation Of An EV Gearbox Model – Part 3, Bearing Connection Methods
All Blogs, Articles & Papers, NewsPart 3 includes a full gearbox casing made of two separate halves bolted together and gearbox internals of gears, shafts and bearings.
Modal Testing Validation Of An EV Gearbox Model – Part 2, Casing Bonding Methods
All Blogs, Articles & Papers, NewsPart 2 expands on this research by including a full gearbox casing made of two separate halves bolted together.
Modal Testing Validation Of An EV Gearbox Model – Part 1
All Blogs, Articles & Papers, NewsWe show you validation work of MASTA software against NVH modal test data on a single-speed, two-stage EV gearbox casing half.
Stresses At Roller-Rib Contacts In Cylindrical Roller Bearings
All Blogs, Articles & Papers, NewsAccurately calculating contact stresses is important during the design, analysis, and optimisation of drivetrains.