Author Topic: repairing a peli case  (Read 2538 times)

Offline angus

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repairing a peli case
« on: August 06, 2016, 04:57:09 AM »
i have acquired a pelicase that has had a round hole drilled in it.... i believe they cases are made of polypropylene ? what can i glue a repair patch in with ??

have considered polyurethane adhesive an a patch held in with screws but wonder if there is anything better ...

Online mexican jon

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Re: repairing a peli case
« Reply #1 on: August 06, 2016, 05:02:50 AM »
Depending on the size of hole I would tap it and and screw a piece of threaded polypropylene rod in coated in super glue  :thumbup: How big is the hole  :scratch:
People say you only live once ! I say thank F@*K can't afford to do it twice.

Offline Joules

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Re: repairing a peli case
« Reply #2 on: August 06, 2016, 05:09:06 AM »
You can weld polypropylene with a soldering iron, add filler to make the weld proud then scrape it back and polish/sand to match finish.  Or wear the wound as a badge of honour on your Pelicase.
Just get doing and make swarf, you can decide what its going to be later.   :thumbup:

Offline angus

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Re: repairing a peli case
« Reply #3 on: August 06, 2016, 05:30:37 AM »
2 holes maybe 30mm diameter....did wonder about tapping them and making a plug.

what kind of fool buys a waterproof expensive box then drills a hole in it for a pipe!!


Offline angus

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Re: repairing a peli case
« Reply #4 on: August 06, 2016, 05:32:24 AM »
You can weld polypropylene with a soldering iron, add filler to make the weld proud then scrape it back and polish/sand to match finish.  Or wear the wound as a badge of honour on your Pelicase.


would need to find a suitable bit of polyprop first......

Offline Joules

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Re: repairing a peli case
« Reply #5 on: August 06, 2016, 06:40:39 AM »
A 30mm hole in someones wheelie bin ???
Just get doing and make swarf, you can decide what its going to be later.   :thumbup:

Offline Joules

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Re: repairing a peli case
« Reply #6 on: August 06, 2016, 06:42:36 AM »
2 holes maybe 30mm diameter....did wonder about tapping them and making a plug.

what kind of fool buys a waterproof expensive box then drills a hole in it for a pipe!!

To let the water out that came in through the first hole     :lol:
Just get doing and make swarf, you can decide what its going to be later.   :thumbup:

Offline mcostello

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Re: repairing a peli case
« Reply #7 on: August 06, 2016, 09:35:27 AM »
Could find an electrical knock out plug of suitable size, maybe contrasting color. Don't know the "across the pond" name of these things.
High Speed steel in a Carbide world.

Offline DMIOM

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Re: repairing a peli case
« Reply #8 on: August 06, 2016, 03:35:38 PM »
.....what kind of fool buys a waterproof expensive box then drills a hole in it for a pipe!!

Might not have been a pipe - could have been a cable gland?  I have made lots of portable broadcast kit mounted in Peli cases, with round Canon-style and Bulgin Buccaneer connectors.

Dave

Offline angus

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Re: repairing a peli case
« Reply #9 on: August 07, 2016, 04:17:56 AM »
no it was a sampler setup for a water system....
any old plastic box would have done :doh:

Offline angus

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Re: repairing a peli case
« Reply #10 on: August 11, 2016, 11:22:56 AM »
my polypropylene sheet came in the post today- ebay at its best
have managed to weld up the 2 35mm holes, without making too much of a mess, and 5 smaller 6mm holes
also managed to scorch the end of my finger with the the hot air attachment on my gas soldering iron

the 5 smaller holes have cleaned up well, as i used part of the case to repair, so the colour is perfect
the larger holes the plastic is a different colour, but nothing a sticker wont hide!


 :nrocks:

Offline ddmckee54

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Re: repairing a peli case
« Reply #11 on: August 11, 2016, 12:36:24 PM »
That's the spirit, stickers and paint hide lots of sins! DAMHIK!

Follow these 5 simple steps and you'll never have any construction problems:
1 - Measure to 0.001 (Inch or mm, you choose, doesn't really matter.)
2 - Mark with chalk.
3 - Cut with an axe.
4 - Grind to fit.
5 - Paint to match - you're done.

Easy-Peasey,
Don
Too many irons, not enough fire.

Offline nrml

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Re: repairing a peli case
« Reply #12 on: August 11, 2016, 05:03:49 PM »
Can you please do a little write up on the process involved in welding the large holes if you can spare the time? It sounds like it would be very useful knowledge to have.

Offline PK

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Re: repairing a peli case
« Reply #13 on: August 11, 2016, 06:51:24 PM »
Follow these 5 simple steps and you'll never have any construction problems:
1 - Measure to 0.001 (Inch or mm, you choose, doesn't really matter.)
2 - Mark with chalk.
3 - Cut with an axe.
4 - Grind to fit.
5 - Paint to match - you're done.

"A grinder and paint makes me the welder I aint!"

Offline tom osselton

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Re: repairing a peli case
« Reply #14 on: August 11, 2016, 07:03:28 PM »
What kind of tip did you use? The one where the filler rod passes through it? I've been thinking about picking up a plastic welding tool.

Offline angus

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Re: repairing a peli case
« Reply #15 on: August 12, 2016, 11:38:26 AM »
not sure as 2 holes makes me an expert!, i did learn more in filling the smaller 6mm holes
(initially left those alone, as if i had struggled with the larger holes the smaller holes were in a position where i could have tapped, and screwed on feet!)
with the 6mm holes i counter sunk both sides... filled the outer, and flattened it off with the blade of a knife before it cooled
then just did the back
i should have countersunk, or bevelled the edges of the larger holes more to give me room for filler

the gas iron is a weller, with just a hot air attachment... no hole to take filler... i just did the job similar to what you would gas weld, or braze... dipping the filler (cut off slice of the sheet ) in and melting it in


Offline tom osselton

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Re: repairing a peli case
« Reply #16 on: August 12, 2016, 02:54:41 PM »
Ok I thought it may mave been one of this type.

Offline angus

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Re: repairing a peli case
« Reply #17 on: August 13, 2016, 07:58:35 AM »
one of those... apparently for unsoldering