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stop-drilling / end-drilling / ??? Drilling to stop crack from growing during welding

stop-drilling / end-drilling / ??? Drilling to stop crack from growing during welding

stop-drilling / end-drilling / ??? Drilling to stop crack from growing during welding

(OP)
What is the correct terminology for drilling a hole to arrest a crack?
This is done typically a little bit further than the end of a crack, in order to avoid that the crack grows further during heating (grinding, preheating, welding, ...).

Is "stop-drilling a 5mm hole 20mm beyond the visible end of the crack" something that I can put on a repair welding procedure?

RE: stop-drilling / end-drilling / ??? Drilling to stop crack from growing during welding

I suppose "drill a 5mm hole 20mm beyond the visible end of the crack" is perfectly understood

luis

RE: stop-drilling / end-drilling / ??? Drilling to stop crack from growing during welding

I would agree with just "drill;" "stop-drilling" is confusing, on its own. Seems to me there was confusion about the intent of the hole, vs. a command to make a hole.

TTFN (ta ta for now)
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RE: stop-drilling / end-drilling / ??? Drilling to stop crack from growing during welding

(OP)
I'll go with just "drilling" then. Thanks for your input!

RE: stop-drilling / end-drilling / ??? Drilling to stop crack from growing during welding

to be precise an xray of the crack is performed.
then the developed negative is used to find the location.
dye penetrant can also be used.
a crack can be subsurface or surface it will dictate method.
wording will be to drill out crack and reweld if in a weld.
in parent material a non visible crack depending on the requirements will have to be precisely removed,
or if acceptable can have a drill hole at the base, then repaired.
the driver is the requirements.

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