A question about poppets

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A question about poppets

Postby Stanleythecat » Mon Jun 13, 2011 11:41 am

For those of you who use the bent over bar style poppet please could tell me what gauge bar you use and why?

I have been wondering if it was too small it might vibrate quite a bit, is that true? What would the ideal size be and in what material, is mild steel ok?

Many thanks is advance.

Leo
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Re: A question about poppets

Postby Paul Thornton 2sheds » Mon Jun 13, 2011 11:48 am

i assume you are meaning for a bowl lathe? i wouldn't use less than 20mm, bigger the better i would say.
(i don't use a bent bar, i have 16mm threaded bar drilled into the poppet and set with epoxy - and reckon it flexes a bit)
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Re: A question about poppets

Postby Stanleythecat » Mon Jun 13, 2011 12:29 pm

Hi Rob

Yes for a bowl lathe. Perhaps I should have put this under bowl turning. We must have smaller, maybe 12mm, on our static lathes and those are straight through like yours. They seem to work ok butI'm wondering whether those are too small after your post!

Hmm!

Leo
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Re: A question about poppets

Postby grinagog » Mon Jun 13, 2011 1:10 pm

Stanleythecat wrote:Hi Rob

Yes for a bowl lathe. Perhaps I should have put this under bowl turning. We must have smaller, maybe 12mm, on our static lathes and those are straight through like yours. They seem to work ok butI'm wondering whether those are too small after your post!

Hmm!

Leo


Howdy Leo

Yes I would prefer thicher ones...I do think the narrower ones can tend to drill too deep into the blank...also give heavy use on the mandrel!

I reckon the ones in question will do though!
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