From: Dave C. <dav...@gm...> - 2013-10-31 16:45:35
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look at the form of the rack, get some thing sheet cut to the form on an unworn end and try it in the middle where all the work has caused wear you can then make a judgement. it may be worth replacing the pinion only but it may not last long if the rack has suffered. Dave Caroline On 31/10/2013, andy pugh <bod...@gm...> wrote: > On 31 October 2013 16:14, Todd Zuercher > <zue...@em...> wrote: >> >> Is there a rule of thum for judging the ware on a racks and pinion? > > The way my dad measured gear backlash (which is indicative of wear, > especially if you know what it should be) was to run a length of > solder through the meshing gears. > > On the big gears[1], they would use a thick solder. > > Helical gears will run smoother, if you are replacing everything. > Double-helical biased sideways can be adjusted to have no backlash. > > > [1] http://www.davidbrown.cn/products/girth%20gear%20large.jpg > -- > atp > If you can't fix it, you don't own it. > http://www.ifixit.com/Manifesto > > ------------------------------------------------------------------------------ > Android is increasing in popularity, but the open development platform that > developers love is also attractive to malware creators. Download this white > paper to learn more about secure code signing practices that can help keep > Android apps secure. > http://pubads.g.doubleclick.net/gampad/clk?id=65839951&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc...@li... > https://lists.sourceforge.net/lists/listinfo/emc-users > |