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Please explain this weld fillet gage to me
I'm curious why some of the things are 2 small semi-circles and some are one single semi-circle.
For instance in this photo, you see one end has what appears to be a huge radius and says '7/8"' while the opposite end of the same leaf has 2 partial curves that say '1"' http://forums.pelicanparts.com/uploa...1759068820.jpg another view http://forums.pelicanparts.com/uploa...1759068820.jpg And the back so you can see that some are one 90º arc while others are 2 smaller (60º?) arcs. http://forums.pelicanparts.com/uploa...1759068820.jpg I would expect all of the measurements to be the same, either 1 90º arc or 2 smaller arcs instead of a mix and match. |
It can be used to measure concave or convex filet weld profiles.. Its really a comparator.. you place it flat on the horizontal and vertical surfaces, and check weld leg length, and throat..
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http://forums.pelicanparts.com/uploa...1759076529.jpg http://forums.pelicanparts.com/uploa...1759076529.jpg |
Yes one end measures the leg, the other the throat...leaves room for interpolation.. The video is a pretty good demonstration of their use... The last pic you attached you can check throat on a 1" filet, and leg on a 7/8" filet.
These gauges are only suitable for filet welds...other gauges are available are used for butt welds etc.. With this you can check leg and throat of 5/8 or 1/4" filets http://forums.pelicanparts.com/uploa...1759077325.jpg Nomenclature https://weldguru.com/wp-content/uplo...illet-weld.jpg |
Also I think when they were developing the tool, the amount of real estate was fixed so
some of the larger sizes are mixed and matched.. |
Thanks tons for the great explanation and the video, Tim. I hadn't watched the video yet, and you were right, that and your subsequent posts cleared it right up!
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II retired 4 years ago, and stashed all my equipment and odd and ends tools away in a closet...
I just pulled out my go-bag with weld test equip.. Filet gauge and multi gauge...I probably got my filet gauge around 1985, the other in the '90s http://forums.pelicanparts.com/uploa...1759078195.jpg |
The multi gauge allows measurements of all types of weld, and give direct measurements, instead of allowing interpolation
http://forums.pelicanparts.com/uploa...1759078304.jpg http://forums.pelicanparts.com/uploa...1759078304.jpg http://forums.pelicanparts.com/uploa...1759078304.jpg |
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