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Activity within 7 days:

7 New Members - 13 New Messages - New Questions

Description

This group is for the discussion of the LATHEMASTER 8x14, 9x30 & 9x20 lathes. X3 Mills too.. NO OFF TOPICS...All new members and postings are moderated for the groups protection, sorry for the delays joining and posting. THANKS. Bob Wright. And THANKS to Alan Trest for his help.

PICTURED IS THE NEW 9X30...
Bob's ph # 225-377-7001
metal lathes, lathe, lathes

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Re: trouble understanding how to select the correct gears to cut 28t
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
Posted - Thu Jul 24, 2008 5:38 pm
 C Smith
lathesmith
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Re: trouble understanding how to select the correct gears to cut 28t
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
Posted - Thu Jul 24, 2008 4:52 pm
 Dan Merz
djmerz2000
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Re: trouble understanding how to select the correct gears to cut 28t
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 ...
Posted - Thu Jul 24, 2008 2:32 pm
 ramson22
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Re: trouble understanding how to select the correct gears to cut 28t
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
Posted - Thu Jul 24, 2008 2:32 pm
 Mike Nash
mikenash402
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Re: trouble understanding how to select the correct gears to cut 28t
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
Posted - Wed Jul 23, 2008 4:44 pm
 Dan Merz
djmerz2000
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2008 26 38 51 30 4 2 22
2007 133 118 64 21 27 23 35 10 35 48 74 57
2006 240 310 106 25 56 58 30 5 21 41 29 95
2005 85 136 151 91 103 69 84 113 28 107 100 124
2004 5 42 58 64 50 34 38 50 20 37 49 69
2003 26 44 25
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