SKF Pulp Paper Practices（SKF浆纸实践）.pdfVIP

SKF Pulp Paper Practices SKF Global Pulp Paper Segment | No. 16 | December 2015 Fretting corrosion on the outside surface of a bearing outer ring due to a damaged raceway ”What’s the correct it for this bearing?” This is a question that any SKF applica- research, analytical calculations, custom procedures and applications and, eventually, tion engineer is frequently asked. The software and continuous interaction with increase the reliability of your rotating answer is rarely straightforward, but it’s OEMs and end users, we have gathered more machinery. Whatever question you may important to get it right. than enough information to help you tackle have, please don’t hesitate to contact SKF! any problem regarding this particular aspect. From the bearing point of view, applications In this issue of SKF Pulp Paper Practices, in the pulp and paper industry may be sub- we are going to go through some phenom- ject to demanding operating conditions, such ena which occur on bearing seats due to as large temperature gradients, heavy loads, incorrect tolerances and its. Wear, fretting hollow journals, rotating outer rings, etc. In corrosion and creep appear very often—too these cases, special attention should be paid often in my experience with paper mills and to dimensional and geometrical tolerances root cause failure analysis—and are some- of adjacent components, mainly to avoid times considered unavoidable. Not only do costly unplanned stops. they deinitively shorten bearing life, they Regards, SKF has acknowledged the inluence of may also cause them to fail catastrophically. Franco Gagliano shaft and housing geometry on bearing per- I hope these documents help you under- Applicati