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8th Oct 2011, 05:22 PM #1Novice
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Sheraton Change Gears - curiosity
What is the usual bore for Sheraton change gears?
I see change gears for Sheraton/Hercus/Southbend advertised as though they are interchangeable, but I also see them advertised as having either 5/8 or 9/16 bore. The few that I have for the Sheraton are 5/8 inch, the ones that came with an old and eccentric Southbend here are 9/16.
What is the usual story? What size goes with what models?
Greg
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8th Oct 2011, 07:48 PM #2Dave J Guest
Pipeclay is our gear expert and knows all about these lathes and what goes with what, I am sure he will reply once he sees your post.
He doesn't advertise, but he can make pretty much any gear you want if you contact him. From what I have seen, his prices are good for the amount of work and effort he puts into them.
Dave
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8th Oct 2011, 07:52 PM #3
Sheraton
They are 9/16" bore gears on my Sheraton ..model AR ..what model do you have ?
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8th Oct 2011, 08:07 PM #4Novice
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9th Oct 2011, 01:53 AM #5Most Valued Member
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You should find that the change gears are a 9/16" bore as earlier mentioned,the reverse tumblers will be 5/8" as well as any compound gears and idler gears.
The compounds and idlers will take a bush with a bore of 7/16".
The compound and idlers are used only on the Banjo bracket,all the other gears will be keyed and used on the stud or screw shaft.
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11th Oct 2011, 09:05 PM #6Novice
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Ahhhh... thank you. Now I see. I am missing the compound gears and have a couple of 80 tooth idlers (well, one has got 80 written on it) and and a stack of keyed 9/16" gears from the SoutBend. When I get to thread cutting I'll need some more (I suspect expensive) gears, but that's a while away yet.
Greg
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12th Oct 2011, 03:46 AM #7Most Valued Member
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Your 80 tooth idler/s should have a boss on them giving an overall width of 13/16".
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12th Oct 2011, 06:21 AM #8Novice
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12th Oct 2011, 10:36 AM #9Most Valued Member
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They will both be the same.
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14th Jul 2012, 06:43 PM #10New Member
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- Mar 2012
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- Burrum Heads QLD Australia
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Just starting to try some thread cutting with my newly acquired Sheraton model "c", so found Pipeclay's advice invaluable.
Thanks
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