[modeleng] Re: TIG welded copper boilers

----- Original Message ----- 
From: "Barrie Purslow" <bpduo@xxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Sunday, October 26, 2008 6:59 PM
Subject: [modeleng] Re: TIG welded copper boilers


> Rich,
>
> Let me apologise to you and the rest of the crew - you are right I had not
> appreciated that Alan's original comment referred to an all welded boiler.
>
> I guess I was led astray by my experience with what must have been an
> earlier version where only the longitudinal barrel joint was welded.
>
> I am reminded of my school reports "Must pay more attention"!
>
> Regards,
>
>
> Barrie
>
> ----- Original Message ----- 
> From: "R.L. Roebuck" <rlr20@xxxxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Sunday, October 26, 2008 3:58 PM
> Subject: [modeleng] Re: TIG welded copper boilers
>
>
>> Hi there Barrie,
>>
>> I'm not sure you've been following this thread necessarily - the point is
>> we are talking about copper boilers where EVERY joint is tig welded - see
>> this link to the Maxitrak article on the subject, with pictures to proove
>> the point (nb on this page, click on Welded boilers)...
>>
>> http://www.maxitrak.co.uk/articles.asp
>>
>> ...and the issue that the Southern federation rules seem to allow anyone
>> to do this work on presentation and successful examination of some test
>> weld pieces.
>>
>> Yours,
>>
>>
>> Rich.
>>
>> On Sun, 26 Oct 2008, Barrie Purslow wrote:
>>
>>> Alan,
>>>
>>>> Whilst a coded welder will have plenty of experience and the training 
>>>> to
>>>> do
>>>> the job properly,I am not so sure about "test pieces" etc. either for
>>>> steel
>>>> or for TIG welding.
>>> What are you not sure about? What do you think should be done to inspect
>>> a
>>> boiler with a TIG welded barrel joint?
>>>
>>>> I hope that any such pieces will be examined carefully, and that the
>>>> same
>>>> will apply to the entire boiler.
>>> It is only the longitudinal barrel joint that is TIG welded, not the
>>> entire
>>> boiler.
>>>
>>> Barrie
>>>
>>> MODEL ENGINEERING DISCUSSION LIST.
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>
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