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Preparation before fillet weld

14 REPLIES 14
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Message 1 of 15
dpinson01
1090 Views, 14 Replies

Preparation before fillet weld

I would like to make a preparation before welding on the skewed part. The form of the preparation should be constant all around the joint. I tried with a sweep, but I can not get the flat pattern thereafter.

Thank you for your help.

 

Daniel P.

 

Windows 8.1 64 its

Inventor pro 2014

14 REPLIES 14
Message 2 of 15
JDMather
in reply to: dpinson01

Do you mean you want this feature at the part level rather than at the assembly (weldment preparation) level?


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Message 3 of 15
dpinson01
in reply to: JDMather

Ideally, it would be a preparation at the welded assembly level. The goal is then to create the weld bead to be represented on the detail drawings and shop drawings.

 

Thank you for your help.

Message 4 of 15
JDMather
in reply to: dpinson01

I don't see anything wrong with your file.

It looks to me like that is exactly what you have?

 

OK, I think I see what you mean now.  Back in a while.


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Message 5 of 15
JDMather
in reply to: JDMather

Is this what you are referring to?

Editing this at the assembly (Weldment) would not have anything to do with the part level.

 

Are you missing some assembly constraints?

 

Chamfer distance.png


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Message 6 of 15
dpinson01
in reply to: JDMather

This is exactly the problem.

 

All the parts are made from a derived common "sketch part" and the parts are inserted and grounded to the origin . This is not an Inventor problem, this is a weldment requirement.  I would like to obtain a constant form groove all around the joint to be able to weld it as a constant fillet.

 

Thank you.

Message 7 of 15
JDMather
in reply to: dpinson01


@dpinson01 wrote:

... and the parts are inserted and grounded to the origin .


Nope, I was going to present a solution, but before I got very far I accidently moved a part.

You should ground these in intended position before starting on solution to your problem.

 

Not Grounded.PNG


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Message 8 of 15
dpinson01
in reply to: JDMather

Excuse me, I forgot to lock the pieces after insertion to origin. You can replace it by moving the occurence to 0,0,0.

I attached the files again.

Thank you.

 

Daniel P.

Message 9 of 15
mercerc
in reply to: dpinson01

There are a couple of thing that come in to play here. One is Item1 & 2 at the point you are chamfering are interfering with each other. This is why you are seeing little to no chamfer they’re not butted but in item 2 you are see what is above item 1. So a chamfer is there. What would be nice is to have them butted up against each other (easier said than done I know). The second is the chamfer itself. Since item 2 has a conical edge from the rolling process it’s not going to have a clear defined chamfer like item 1. Getting the part mated a little better may give you the optical vision you are looking for.


Charlie M

Inventor Product Support Specialist
Message 10 of 15
dpinson01
in reply to: mercerc

If you look closely, you will see that the inside portions of the tubes dont touch. The goal of the preparation in V is to be able to weld completely the joint. Thickness of the plate is .5 and chamfer is to be .4375 deep.

 

These parts are to be made from steel plates 1/2 inch thick, cut with plasma. Subsequently, the pieces are rolled to form different elements. They must then be welded together at the periphery in a preparation in V 90 degree. The problem I have is to do this preparation before welding on skewed parts. I can do it by using a sweep modeling, but after that, I can't obtain the flat pattern. Thank you for your help.

Message 11 of 15
Paul-Mason
in reply to: dpinson01

Normally a weld prep is cut/formed at the FLAT PATTERN stage to get this to work correctly, by doing so this give an equal fillet around the entire part.

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Inventor 2023 Pro
HP Z420 workstation
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=================
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Message 12 of 15
dpinson01
in reply to: Paul-Mason

You're right, but I can not get either the chamfer on the flat pattern. I would like to represent the preparation on the drawing without having to cheat with Autocad.

Message 13 of 15
Paul-Mason
in reply to: dpinson01

Instead of a chamfer, using the chamfer tool,  have you tried  a revolved cut in the flat pattern to at the weld prep.

==============
Inventor 2023 Pro
HP Z420 workstation
Xeon 3.7Ghz CPU 8 Cores, 64 GB Ram
64bit (The Garbage known as) Windows 10 Pro
AMD FirePro V3900 (ATI FireGL) (1GB RAM)
=================
Ashington Northumberland (UK) ~ Home to the WORLD FAMOUS Pitman Painters Group
Message 14 of 15
dpinson01
in reply to: Paul-Mason

How can I do this ?

If you look at the flat patern, there is no regular geometry.

 

Thank you.

 

Message 15 of 15
dpinson01
in reply to: Paul-Mason

How can I do this ?

If you look at the flat patern, there is no regular geometry.

 

Thank you.

 

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