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Symbol meaning
- Thread starter SeasonLee
- Start date
The first is a groove weld, all around, with a raised bead. It is to weld the nut to the stud using the chamfer on the stud as the groove.
The second is short for Obround, which is short for oblong-round and doesn't need to be on the drawing.
The second is short for Obround, which is short for oblong-round and doesn't need to be on the drawing.
- Thread starter
- #3
SeasonLee...
Drafting symbols for welding... See AWS A2.4 Standard Symbols for Welding, Brazing, and Nondestructive Examination
Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]
Drafting symbols for welding... See AWS A2.4 Standard Symbols for Welding, Brazing, and Nondestructive Examination
Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]
3DDave said:
Nice catch!
OBR should not be on the drawing. The picture and size specification should do everything, unless it is obfuscated as they have done. When you go 1-1/8X2 as per ASME Y14.5, the total length of the slot is 2", and there is no diameter symbol. Is 2" the total length, or is it the distance between centres? I think the OP should call and ask whoever made that drawing.
--
JHG
- Thread starter
- #6
drawoh... curious...
OBR is not in ASME Y14.38 Abbreviations and Acronyms for Use on Drawings and Related Documents ... where did you find it?
Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]
OBR is not in ASME Y14.38 Abbreviations and Acronyms for Use on Drawings and Related Documents ... where did you find it?
Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]
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