[AR] Re: Astraseals vs. welding
- From: "D. Armor Harris" <dharris000@xxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Fri, 21 Feb 2014 11:26:15 -0500
Here's a link to a chapter from a book on machining that describes the
offset tail stock method that Monroe mentioned. I think it's on page 35
https://dl.dropboxusercontent.com/u/4107076/Lathes%20tapers%20on%20page%2035.pdf
Armor Harris
On Fri, Feb 21, 2014 at 9:47 AM, Ed Kelleher <Pres@xxxxxxxxxxxxxxxxxxxxx>wrote:
> Might you not get the same thread interference as a taper by straight
> threads with a slightly different pitch (TPI) on the mating threads? Like
> 50 and 48 TPI?
>
> Ed Kelleher
>
>
> At 09:15 PM 02/20/2014, Robert Watzlavick wrote:
>
>> Is it possible to get straight threads to seal without an o-ring? As
>> Paul pointed out, tapered threads with pipe tape would probably work but I
>> don't have a taper attachment for my lathe. I thought about making a giant
>> o-ring boss style gland in the tube so a plug would thread into it. But
>> that o-ring would probably leak at cold temperatures too.
>>
>
>
>
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