On 02/16/2012 01:52 AM, andy pugh wrote: > On 15 February 2012 21:29, gene heskett<ghesk...@wdtv.com> wrote: > >>> Gene - the encoder wheel I use is 3mm Tufnol sheet, painted black. >> The plastic, except for temporary fitting wouldn't do for permanent as it >> will be trapped between the spindle preload nut, and it's locking nut in >> normal operation. That is driven tight with a drift punch in the nut >> slots. The plastic will 'cold flow', loosening the nut, and that won't be >> good for things. > Tufnol won't cold-flow, it's phenolic paper (or phenolic fabric). > Long-term stability is one of the properties they sell it on. > http://www.tufnol.com/tufnol/default.asp?id=92 > "creep is minimal"
Another thing that can be used, is "real" formica. I used to get the small sample rectangles that were given out at the building supply stores, sand the finish off of them, glue up a stack with some good contact adhesive, and use them for electrical insulators. Get creative with the stacking, and you can make pretty much any diameter, and thickness you need. you can get these thing by the handful at Lowes, and HD. -- -Mark Ne M'oubliez ---Family Motto Hope for the best, plan for the worst ---Personal Motto ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
