I have a piece of rotating machinery that is experiencing vibration and noise in the 200 to 300 RPM range on powered deceleration. The noise and vibration is gone when coasting to a stop. No noise or vibration on acceleration. This speed range is also a natural resonance point for this machine but the vibration is considerably higher with the powered deceleration. I have seen many reports of torsional torque harmonics at specific speeds but nothing during deceleration.
Has anyone ever seen this or have any suggestions? Without the noise happening while free wheeling we do not believe it is a mechanical issue.
Red Flag Submitted
Thank you for helping keep Eng-Tips Forums free from inappropriate posts. The Eng-Tips staff will check this out and take appropriate action.
Reply To This Thread
Posting in the Eng-Tips forums is a member-only feature.
Many manufacturers rely on a product data management (PDM) system that once met their basic data management needs. As they expand their business and develop more complex products, they find their system falls short. Download the guide to find out how to meet your needs with PLM. Download Now
Beating out competitors, PTC has taken the number one spot to earn the Product Leadership Award 2019 from Frost & Sullivan. This award is given to North American PLM solution providers for excellence in digital transformation particularly with discrete manufacturing. Download Now
A lot has changed since the 90s. You don't surf the Web using dial-up anymore, so why are you still using a legacy PLM solution that's blocking your ability to innovate? To develop and launch products today, you need a flexible, cloud-based PLM, not a solution that's stuck in the past. Download Now
Current approaches used to tackle the complexities of a vehicleâ€™s electrical and electronics (E/E) architecture are both cost prohibitive and lacking in performance. Utilizing virtualization in automotive software architecture provides a better approach. This can be achieved by encapsulating different heterogeneous automotive platforms inside virtual machines running on the same hardware. Download Now