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Participant

Join Date: May 2013
Posts: 2

Welding Time Study (TIG Welding)

05/18/2013 3:06 AM

Hi.....

I am doing a excersize on the time required for TIG Welding for welding different thickness @ butt and Fillet welds,Anybody wanna share the thoughts reply at email removed OR continuue the discussion.

Thank You

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Guru

Join Date: Apr 2011
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#1

Re: Welding time Study ( TIG Welding )

05/18/2013 9:24 AM

'....Anybody wanna share the thoughts reply .............OR continuue the discussion...'

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Share thoughts? Continue the discussion?

What discussion? There isn't sufficient information here to constitute a discussion.

.

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'....time required ....for welding different thicknesses...'

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Over a certain minimum thickness, welding time required will increase with an increase in thickness.

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It is also probable that over a certain thickness time required for TIG welding will remain constant or possibly decrease, because over a certain thickness TIG is likely only to be used for the root and a different process will be used for the remainder.

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Guru

Join Date: Jun 2009
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#2

Re: Welding Time Study (TIG Welding)

05/18/2013 5:17 PM

When it comes to TIG welding it's half science and half art. What anyone person should be able to produce as a weld is never going to be exactly the same in time and appearance as any other person doing the same welding.

Most will fall within a general range but to be honest that range is still going to be fairly wide.

Basically there is no single or correct answer to a question like this.

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Guru
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#3

Re: Welding Time Study (TIG Welding)

05/19/2013 12:17 AM

1. More information, please.

2. Read the rules. No e-mail addresses in posts.

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Power-User

Join Date: May 2010
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#4

Re: Welding Time Study (TIG Welding)

05/19/2013 1:13 AM

In light of the significant variables pointed out here I am curious about the method that you employ to determine the time required to execute a weld. Can you elaborate?

Notwithstanding the difficulties involved, a Contractor is required to come up with a price for executing the specified work. Implicit is the ability to estimate the amount of time required to carry out the welding.

The unit of measurement is the weight of deposited metal. In accordance with the AISI protocol this considers the cross-sectional area of the weld (less the reinforcement) doubled and then multiplied by the length of the weld. I have no idea why the AISI doubles the cross sectional area.

It is not possible to come up with any analytical method to determine the time per unit weight of deposited metal. The estimator has a "home base" (say stick welding pipe) and then factors the "home base" rate based on experience (some of it sad) to reflect the actual conditions.

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Commentator

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#5

Re: Welding Time Study (TIG Welding)

05/19/2013 2:30 AM

Previous reply was very correct. I would not even hazard a guess, and I have welded for over 45 years. Depends on the welder, the welding machine, field or shop conditions. To many variables to even think in that set of parameters.sw

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Guru

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#6

Re: Welding Time Study (TIG Welding)

05/19/2013 9:10 PM

industrial engineering is a very good science when used as it is intended. The way most engineers work the issues, it matters not who is preforming the work during study, most if not all is accounted for in the time study process. Talk to a good industrial engineer and they can show you how it is done. You might also try goggling the issue and see what turns up.

Good luck

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