On 15 May 2012 13:28, Viesturs Lācis <[email protected]> wrote:
> No, those flexible bearings actually are _required_ to be flexed for > normal operation . They even specify a range of min and max ovality - > (D-d)/2 = 1,2...1.6mm (D and d - large and small diameters of elipse) > for flexible bearing with inner diameter 90 mm and outer diameter = > 120 mm.. They are not meant to be used "as they are" - as a round > circle. True, but the actual ovality is rather smaller than is shown in the animations. > The thing is that there is extra play in the bearing, which decreases > as the bearing is flexed, so even reducing the rings of normal bearing > will not give a good flexible ring - the existing play in bearing will > be not sufficient for it to flex to the extent I need. Ordinary bearings are available in a range of clearance grades. Those intended to be a tight press fit in the housing and on the shaft are generally C4, and those rattle noticeably before installation. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
