5 Minute Epoxy

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islandturner

islandturner

Member
Joined
Jul 17, 2009
Messages
376
Location
Victoria, BC
A frustrating day yesterday -- doing several segmented pens and most of them failed on the metal to wood joints. I've done this many times before, and seldom had one fail (during drilling).

I was using this stuff, giving it an hour to cure, rather than 5 minutes... The aluminum was well 'roughed up' with sandpaper.

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It's worked before -- does it have a shelf life? Mine is probably 6 to 8 months old -- who knows how long it sat on the shelf at the dealer. These are now in the trash. Reglued the joints with 'thick' CA and saved most of them...

What glues do you folks use for segmented pens with aluminum sandwiched between?

Thanks
Steve
 
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You could try leaving it sit overnight. I normally do that with mine even though it is only 5 min epoxy. Might be overkill but then I know it should hold.
 
Most likely cause of failure is heat. The heat of the drill softens the glue which causes the failure. Tape the crap out of the blank, drill it then immediately clamp the blank and any glue that went soft will harden right back up bonding it back together. CA often works better because it can handle more heat than epoxy, but it can still do the same thing.
 
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