http://finance.groups.yahoo.com/group/lathemaster/ LATHEMASTER lathes Thu, 31 Jul 2008 14:05:15 GMT Charles Mortimer http://finance.groups.yahoo.com/group/lathemaster/message/3646 http://finance.groups.yahoo.com/group/lathemaster/message/3646 hallo Dan Charles returning ok on the mill you must have a similar trade to myself ,,,i work to the closest mill or half a pencil line,,,,, retired now ,,, Wed, 30 Jul 2008 16:28:55 GMT Rich Kleinhenz http://finance.groups.yahoo.com/group/lathemaster/message/3645 http://finance.groups.yahoo.com/group/lathemaster/message/3645 Drill rod is not easy to get a good-looking thread in, in my limited experience. I have good luck using a chaser die, or a thread restoring file ... -- Wed, 30 Jul 2008 15:20:47 GMT djmerz2000 http://finance.groups.yahoo.com/group/lathemaster/message/3644 http://finance.groups.yahoo.com/group/lathemaster/message/3644 Charles, thanks for the tips. These should be easy to try next time I cut a thread, some lubricant which I didn't use before and a smaller cut. I may have Wed, 30 Jul 2008 15:18:42 GMT Dan Merz http://finance.groups.yahoo.com/group/lathemaster/message/3643 http://finance.groups.yahoo.com/group/lathemaster/message/3643 Charles, thanks for the tips. These should be easy to try next time I cut a thread, some lubricant which I didn't use before and a smaller cut. I may have Tue, 29 Jul 2008 07:18:57 GMT Charles Mortimer http://finance.groups.yahoo.com/group/lathemaster/message/3642 http://finance.groups.yahoo.com/group/lathemaster/message/3642 hi thread cutting far too deeper cut ,,,,,five mils is far too deeper cut that what giving you a rough cut try five thou ,,, and finishing cut try a Mon, 28 Jul 2008 15:59:53 GMT djmerz2000 http://finance.groups.yahoo.com/group/lathemaster/message/3641 http://finance.groups.yahoo.com/group/lathemaster/message/3641 I noted someone else was getting rough threads, but the "thread" seemed to die before any help emerged. I wasn't sure what size threads (other than 28tpi) you Sat, 26 Jul 2008 00:45:52 GMT Charles Mortimer http://finance.groups.yahoo.com/group/lathemaster/message/3640 http://finance.groups.yahoo.com/group/lathemaster/message/3640 check the root of the teeth for foreign matter don't mesh the gears too tightly turn the gear train over by hand to feel for high spots with the belts of Fri, 25 Jul 2008 17:37:57 GMT ramson22 http://finance.groups.yahoo.com/group/lathemaster/message/3639 http://finance.groups.yahoo.com/group/lathemaster/message/3639 I get a clunking nosie when running the following gears for 28tpi 70 80 60 70. Iv'e never had this problem before, however i have never changed any of the Fri, 25 Jul 2008 04:01:12 GMT C Smith http://finance.groups.yahoo.com/group/lathemaster/message/3638 http://finance.groups.yahoo.com/group/lathemaster/message/3638 Hi Mike, In the "photos" section, go to "lathesmith's 8x mods", I have a few pics there. There is also a schematic of the spindle itself, for those brave Fri, 25 Jul 2008 02:56:00 GMT Mike Nash http://finance.groups.yahoo.com/group/lathemaster/message/3637 http://finance.groups.yahoo.com/group/lathemaster/message/3637 Hi Chris, Have you posted any details on this? Have a link to share? Pictures? If not, can you? (Hint, hint!) Thanks, Mike Nash ... From: "C Smith" Thu, 24 Jul 2008 17:38:57 GMT C Smith http://finance.groups.yahoo.com/group/lathemaster/message/3636 http://finance.groups.yahoo.com/group/lathemaster/message/3636 Try the following formula, for inch threads: 12 * 40/B x B/E x D/F = TPI (the star is division) Like others, I found the "formulas" given in the manual to not Thu, 24 Jul 2008 16:52:42 GMT Dan Merz http://finance.groups.yahoo.com/group/lathemaster/message/3635 http://finance.groups.yahoo.com/group/lathemaster/message/3635 Mike, you are right, the formula they give doesn't work with the Z designations that are assigned to the gears in the gear schematic. They did somehow Thu, 24 Jul 2008 14:32:44 GMT ramson22 http://finance.groups.yahoo.com/group/lathemaster/message/3634 http://finance.groups.yahoo.com/group/lathemaster/message/3634 Thanks for the help the threads came out the correct number of tpi however they are very rough, any sugestions on how to improve them?-- ... clamping ... Thu, 24 Jul 2008 14:32:17 GMT Mike Nash http://finance.groups.yahoo.com/group/lathemaster/message/3633 http://finance.groups.yahoo.com/group/lathemaster/message/3633 Hi Dan, Either the picture has to be wrong or the equation is bogus, since dividing by zero for the missing Z6 yields an invalid result. I'm not disagreeing Wed, 23 Jul 2008 16:44:11 GMT Dan Merz http://finance.groups.yahoo.com/group/lathemaster/message/3632 http://finance.groups.yahoo.com/group/lathemaster/message/3632 Robert, that would be the same tool used to tighten the tool clamping bolts on the tool holder - somehow I didn't connect the beveled square threaded ends on