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Cast aluminum speaker cage repair

Posted: Sun Mar 29, 2015 1:09 pm
by MinnesotaDave
The owner dropped this and it broke to pieces - several cracks in the remaining large piece too.
Speaker was $700 I'm told, and the manufacturer no longer makes the cage.

1963 Airco 300 tig, 1/8" pure tungsten, #7 cup, 20cfh argon, 230 amps max on 1/4" sections.

The coating was a super hard rubberized coating of some kind, took a wire wheel on angle grinder to get most of it - sand blast the rest - then die grind and cutter wheel to finish prep.
speaker break.jpg
speaker break.jpg (42.52 KiB) Viewed 1844 times
Several cracks to weld as well.
speaker break2.jpg
speaker break2.jpg (44.76 KiB) Viewed 1844 times
Bottom all welded out
speaker bottom welded.jpg
speaker bottom welded.jpg (46.58 KiB) Viewed 1844 times
All cracks and breaks V cut after tacking.
speaker v cut.jpg
speaker v cut.jpg (16.62 KiB) Viewed 1844 times

Re: Cast aluminum speaker cage repair

Posted: Sun Mar 29, 2015 1:13 pm
by MinnesotaDave
Coming out pretty decent :)
speaker fillet.jpg
speaker fillet.jpg (47.67 KiB) Viewed 1843 times
speaker top.jpg
speaker top.jpg (47.32 KiB) Viewed 1843 times
All done, he said not to go crazy on finish sanding/grinding.
speaker done.jpg
speaker done.jpg (47.28 KiB) Viewed 1843 times
The speaker that goes in it is very heavy.
speaker cone.jpg
speaker cone.jpg (37.27 KiB) Viewed 1843 times

Re: Cast aluminum speaker cage repair

Posted: Sun Mar 29, 2015 4:18 pm
by TRACKRANGER
Dave
Sensational job!.
Boy, all the king's horses and all the king's men stuff here, except you got a top result.

Great job.
Trev

Re: Cast aluminum speaker cage repair

Posted: Sun Mar 29, 2015 5:00 pm
by Braehill
Maybe the owner could find some Plastidip in a matching color to finish it with.

Len

Re: Cast aluminum speaker cage repair

Posted: Sun Mar 29, 2015 7:51 pm
by Superiorwelding
Great repair! Did they blow it apart from competition? Have you guys seen what those bass competition vehicles can do so far as damage? It's crazy!! I few friends did it for a while and I couldn't even sit in the one car for very long at all.
-Jonathan

Re: Cast aluminum speaker cage repair

Posted: Sun Mar 29, 2015 8:41 pm
by MinnesotaDave
TRACKRANGER wrote:Dave
Sensational job!.
Boy, all the king's horses and all the king's men stuff here, except you got a top result.

Great job.
Trev
Thanks :). Prep was a killer - that coating was like iron.

Re: Cast aluminum speaker cage repair

Posted: Sun Mar 29, 2015 8:42 pm
by MinnesotaDave
Braehill wrote:Maybe the owner could find some Plastidip in a matching color to finish it with.

Len
Good idea - but I think he said carpet, and an enclosure, was going to cover most of it.

Re: Cast aluminum speaker cage repair

Posted: Sun Mar 29, 2015 8:43 pm
by MinnesotaDave
Superiorwelding wrote:Great repair! Did they blow it apart from competition? Have you guys seen what those bass competition vehicles can do so far as damage? It's crazy!! I few friends did it for a while and I couldn't even sit in the one car for very long at all.
-Jonathan
Thank you :)

From what he said, sounds like he just dropped it on concrete.

Those competitions are super crazy! But not very popular around here - thank goodness :D

Re: Cast aluminum speaker cage repair

Posted: Mon Mar 30, 2015 7:50 am
by rick9345
Reuse

Great repair

Re: Cast aluminum speaker cage repair

Posted: Mon Mar 30, 2015 9:38 am
by Rick_H
Nice repair!

Re: Cast aluminum speaker cage repair

Posted: Tue Mar 31, 2015 9:14 pm
by MinnesotaDave
rick9345 wrote:Reuse

Great repair
Rick_H wrote:Nice repair!
Thanks guys :)

Re: Cast aluminum speaker cage repair

Posted: Tue Mar 31, 2015 9:41 pm
by Otto Nobedder
I've been following, and I have to agree...

Cast aluminum is it's own special beast, and you've done a great job!

Steve S

Re: Cast aluminum speaker cage repair

Posted: Tue Mar 31, 2015 9:59 pm
by MinnesotaDave
Thank you :D

You're right, cast aluminum can be a bear :shock:

Re: Cast aluminum speaker cage repair

Posted: Tue Mar 31, 2015 10:04 pm
by xwrench
Very nice work. Great results.
Cheers.
-Eldon