Hi Gene Have you looked at RS components?
http://za.rs-online.com/web/c/pneumatics-hydraulics-power-transmission/power-transmission-belts/timing-belts/?sra=p Regards Roland On 1 May 2015 at 05:15, Gene Heskett <ghesk...@wdtv.com> wrote: > On Thursday 30 April 2015 21:13:48 N. Christopher Perry wrote: > > Ouch! They've been reasonable for the stuff I've been looking for > > recently, so I thought they might be worth a look. That quote would > > have given me sticker shock too. > > > > N. Christopher Perry > > I think, for those of you using this stuff to make a living, that its > probably a persuable idea, if the delivery times were like overnight so > you could get back to work. > > Being retired, and the senior member of this list, my time limit is when > I run out of time & forget to wake up in the morning. :) If it takes me > 2 or 3 hours a day for a week or more to make the pulley's for this, it > is not that big a deal. ATM I have 2 or 3 other projects not related to > this, like cut some edge fillets out of a plastic sump pit, which is > easier that chisling the cement away precisely with a 57lb electric > jackhammer so the sump sits solidly on its flange, then I can mix up > enough cement to refill one edge of the hole, I had to move it away from > an outside wall of my basement when I ran into the house foundation > about 5" down, so I had to move the hole about 6 or 7". Get that done, > and some permanent 1.25" line up to a extra deep P trap just beyond the > tub/showers trap and deliver the water to the far end of the house where > it will enter at the head end of the system, thereby helping to keep it > flushed. > > This place was built in '74, by a contractor that couldn't pass the > plumbers test if we gave him the answers. There are, I'm sure you've > heard, just 3 answers, shit runs downhill (fail), hots on the left > (passed) and payday is on Friday. > > Then I went over to Lowes yesterday and bought all the 8' treated 2x6's > they had that were good enough for deck planking, and started ripping > out the 2x4's I put down in 2003 or so when I put a front deck on my > shop building, but figured CWF would be good to make it keep. Silly me. > The neighbors across the back fence have something that looks sorta like > a maple that shades the shop somewhat, but it sheds so much junk it > keeps a soggy mass of litter that would need cleaned up and burnt about > weekly, which of course hasn't been done. Net result is that I have put > a foot thru it in 2 places now & feel like it could be quite a few more > if I don't walk my 170lbs around carefully. > > So I brought the last 5 gollon bucket of clay from the pit up this > morning, then threw a 60lb bag of sackrete on the riders hood & drove it > around to the back porch, put it back on the 2 wheeler and took it to > the basement and brought the sump up so I can trim that plastic away > outside, keeping the stink away from the Mrs & her COPD. > > That about wore my back out so I spent the rest of the afternoon working > on the first pulley, fighting with the lathes computer as its uptimes > recently have been hours, crashed 3 times on me while doing that. It > will be made from 2 pieces of 1/2" fairly hard alu, lapped a while on > 600 grit on a granite surface plate, then wet with superglue and clamped > overnight. One piece is held in my 4 jaw, and the other piece was > turned until it was clean & about 71mm in diameter, then tried to bore a > taper-lock hole all the way thru it at the usual 3/4" a foot taper. I > think its big enough, but will re-measure and increase the diameter if > needed to get about 1mm of steel minimum between the alu and a 20mm > shaft. Once thats done, make the hub out of old mine shafting and slit > it at 90 degrees, then drill & tap the 6 holes for some 6-32 screws. > Make a 20mm shaft to put it on for the rest of the rib machining. So > 1/2" of it will have a pitch diameter of about 67mm, and the other half > inch will be turned down to around 42mm, and ribbed for about a 38mm > pitch diameter. Using a 3 rib belt I think. The 2nd pulley assembly will > be just like it, except the taperlock will fit the 8mm shaft on this 400 > watt motor I took out of the lathe. If I can arrange it, the faces of > the two pulleys won't clear each other more than 5 or 10 thou, putting > the motor much closer to where I want it. > > With 2 pulleys like that I'll have a stepdown, or a stepup in spindle > revs, depending on which pulleys the belt is positioned at. The up is > sorely needed when doing a pcb etch mechanically. Or carving the fingers > on more of the Green & Green style furniture. I obviously do a lot of > this by the seat of my pants. :) > > So I have plenty to keep me as busy as I want to be at what is now 80 yo. > > And its next to find a psu for that computer, its an ARK shoebox, with a > D525MW mobo in it and some sort of a psu that looks like a lappy's psu > without the candy bar outer box. IIRC. Need to look again. Tomorrow > if its not raining. That pretty girl on tv says its likely. > > Now that I have bored everone out of their skulls, I'll get me coat & say > goodnight all. ;-) > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > ------------------------------------------------------------------------------ > One dashboard for servers and applications across Physical-Virtual-Cloud > Widest out-of-the-box monitoring support with 50+ applications > Performance metrics, stats and reports that give you Actionable Insights > Deep dive visibility with transaction tracing using APM Insight. > http://ad.doubleclick.net/ddm/clk/290420510;117567292;y > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
