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04-22-2018, 04:55 PM
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Banned
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Join Date: Dec 2009
Location: Copperhead Road, Morinville
Posts: 19,290
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Best Glue For The Job?
I've never had good luck with glue on plastic. The motherboard on our dishwasher was loose so I took it apart to have a look. There are 4 protruding plastic parts that screws screw into in order to hold the motherboard secure. There's going to be a bit of force on the glued portion of the plastic parts from putting the screws in and from opening the dishwasher door. Is there a glue on the market that would work for something like this? Maybe one that actually melts the plastic together. I also want to put glue along the edge of the motherboard where it is against the stainless steel of the door.
The motherboard costs too much so I have to find a way to repair it.
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04-22-2018, 04:58 PM
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Banned
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Join Date: Oct 2007
Location: Morinville
Posts: 2,608
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Isn't this the new one you just installed?
Go with Gorilla Glue. I use it all the time, I even seated a knife blank into an deer antler handle during Christmas with it, It is never coming out.
Lots on the shelf at Home Hardware here in town. Hurry they close in an hour!!!!!
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04-22-2018, 06:04 PM
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Join Date: Feb 2011
Posts: 1,034
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No glue is going to "melt" it together. Pick-up a 2 part epoxy for plastic.
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04-22-2018, 06:19 PM
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Join Date: May 2010
Location: edmonton
Posts: 3,850
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Those two piece are weak and will break if you just glue the broken joints , Hold it in place with a little super glue( dollar store) ...then on the outside use gorilla glue, it expands and like a little foam will form around the bottom and top piece wrapping it like a cast so secure it in place .
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04-22-2018, 06:24 PM
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Banned
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Join Date: May 2009
Location: Communist state
Posts: 13,245
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Get a 3/8" length of screw or ready rod, screw it half way in to one piece, add glue and screw on the other piece. Grind a bit off the screw that has to normally screw in there if you have to. There is nothing that will glue that to be as strong as it was before but adding a little piece of screw or ready rod will make it nearly as strong as before it was broken.
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04-22-2018, 06:33 PM
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Join Date: May 2014
Location: Calgary
Posts: 1,747
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Plastic cement - modeling glue. Works wonders.
Colin
__________________
Check out my new book on Kindle - After The Flesh.
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04-22-2018, 06:48 PM
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Join Date: May 2014
Posts: 1,661
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Bondic, I'll never use glue again and it's great for fixing old lures and the like, and perfect for what you're trying to do;
https://www.youtube.com/watch?v=xTsfwL61CR8
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04-22-2018, 06:54 PM
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Join Date: May 2014
Location: Calgary
Posts: 1,747
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Quote:
Originally Posted by Crankbait
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I think my last filling was made with that stuff
Kidding. Is it still semi soft or pliable when cured or hard? I may retract my previous suggestion
Colin
__________________
Check out my new book on Kindle - After The Flesh.
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04-22-2018, 07:01 PM
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Join Date: Aug 2007
Location: Calgary
Posts: 19,419
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That looks like it might be an ABS plastic, how about simply using ABS pipe glue? I have on occasion used it for things other than just plumbing and built up multiple layers of it when necessary. If it is ABS you could also make little reinforcing splines out of a piece of pipe cut into straight slivers.
__________________
"The trouble with people idiot-proofing things, is the resulting evolution of the idiot." Me
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04-22-2018, 07:23 PM
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Join Date: Feb 2013
Posts: 1,269
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Good luck.
Trash man is my best friend for plastic.
Goobegone is my second best friend for exploaded expanded blownapart
4x8s of woodchip glued together plywood.
To the dumpster they go. :-)
I wont put that crap in a burn pile, but other people love that stuff, can't
get enough because it's cheap like oh hell ya.
Last edited by Bonescreek; 04-22-2018 at 07:32 PM.
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04-22-2018, 07:45 PM
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Join Date: Jun 2014
Posts: 2,314
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Loctite 404 General purpose glue works well on plastics,
Like a crazy glue product.
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04-22-2018, 07:46 PM
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Join Date: Feb 2013
Posts: 1,269
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Sorry about the rant but I'm about tired out from trashing out other
peoples mistakes or short falls.
Rebuilding and fixing other peoples "stuff" over all these years has gotten
old.
Can't say how many times I had to trash out something that was done
on the cheep instead of being done right over the years. But it's been a lot.
It get's old after a while.
Funny thing is younger people have no interest. As I see it.
Don't matter, no big deal.
So.. an old fart sets it gas away on a wing-ed wind.
Will someone listen ?
That is the question. )-:
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04-22-2018, 07:49 PM
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Join Date: Jul 2012
Location: one Fort or another
Posts: 768
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Yes, there is plastic-specific 2-tube epoxy glue on the market which works really well on plastic. Canadian Tire should have it.
Nice thing about it is, if you are really careful and have room, you can build up a fat cone of epoxy around a snapped mounting point for screws or tabs etc. which is much stronger than the original thin factory casting. I would not mix different kinds of glues in this case, just set the broken part with the epoxy, and then work up a rough cylinder around the broken area.
Of course, it has to be set perfectly straight with all the broken edges perfectly keyed together before building anything up. I'd do it in two stages, and set up a good vice or clamp for it so nothing moves.
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04-22-2018, 07:52 PM
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Join Date: Jul 2012
Location: one Fort or another
Posts: 768
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Quote:
Originally Posted by Bonescreek
[...]
That is the question. )-:
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Been a long winter, hasn't it?
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04-22-2018, 07:53 PM
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Join Date: Feb 2013
Posts: 1,269
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Arty, you aint kiddin'
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04-22-2018, 07:57 PM
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Join Date: Feb 2013
Posts: 1,269
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If I was a bald man, I'd be about pullin' my scalp off by now.
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04-22-2018, 08:00 PM
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Join Date: Feb 2013
Posts: 1,269
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Thank God theres crazy glue and PVC Cement so I can put it all back
together come spring.
LOL thanks I needed a good laugh, it has been a long cold winter.
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04-22-2018, 08:05 PM
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Join Date: May 2014
Posts: 1,661
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Quote:
Originally Posted by colroggal
I think my last filling was made with that stuff
Kidding. Is it still semi soft or pliable when cured or hard? I may retract my previous suggestion
Colin
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I was honestly thinking about doing a cavity with it but then just decided to pull the molar with fishing line tied to my foot with a hard kick.
it's still plyable but with a bit of practice you can fix most things pretty good, for dave I was thinking just fill the hole (it stays liquid till UV light hits it, so a little, hit with light for 4 seconds, little more>UV it, then attack broken off bit by filling screw hole bit by bit, then drill a smaller pilot hole through, and put the screws back in). Not sure if screw hole is allowed on AO, but there it is.
To Bonescreek; we are proud as screw hole frugal Albertans, it's our way, we do not waste anything. Caber owns a ball off elastic and twine that could wrap the planet thrice, and it has been heard across a prairie lawn a faint tap tap tapping of a member straightening bent nails to be used on his dream home made of old skids and runaway round bales.
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04-22-2018, 08:09 PM
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Join Date: May 2014
Location: Calgary
Posts: 1,747
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Quote:
Originally Posted by Bonescreek
If I was a bald man, I'd be about pullin' my scalp off by now.
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On a seriously serious note, this is the winter that I finally accepted that I am going bald. The dome is shaved now and my wife is still in mourning.
Colin
__________________
Check out my new book on Kindle - After The Flesh.
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04-22-2018, 08:30 PM
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Join Date: Feb 2013
Posts: 1,269
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There is much more to life than hair.
With or without, color or not.
Life is what people chose to do with it.
And in the end, what is left behind is what matters most.
A foot print of your life.
To last forevermore.
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04-22-2018, 08:55 PM
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Join Date: Feb 2013
Posts: 1,269
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Didn't mean to bring yall down,
Just got side swayed from the winter coming down.
Springs coming on, the wind keeps blowing,
Warm Summer sun keeps on creeping on
And it wont be long.
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04-22-2018, 09:00 PM
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Join Date: Jul 2011
Location: West Edmonton
Posts: 5,174
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2 part epoxy. Rough up the outside where they join with sandpaper then glue it together and generously apply epoxy around the outside to provide the primary strength(just trying to glue the mating surfaces together likely won't hold up over time).
Quote:
Originally Posted by fishtank
Those two piece are weak and will break if you just glue the broken joints , Hold it in place with a little super glue( dollar store) ...then on the outside use gorilla glue, it expands and like a little foam will form around the bottom and top piece wrapping it like a cast so secure it in place .
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Gorilla glue does expand but that makes it weak. Look up Mathias Wandel testing it vs wood glue.
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04-22-2018, 09:01 PM
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Join Date: May 2014
Location: Calgary
Posts: 1,747
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Quote:
Originally Posted by Bonescreek
Didn't mean to bring yall down,
Just got side swayed from the winter coming down.
Springs coming on, the wind keeps blowing,
Warm Summer sun keeps on creeping on
And it wont be long.
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I discovered I have really cool skull. The sun is shining
Colin
__________________
Check out my new book on Kindle - After The Flesh.
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04-22-2018, 09:38 PM
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Banned
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Join Date: Jan 2011
Posts: 4,090
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Quote:
Originally Posted by Kurt505
Get a 3/8" length of screw or ready rod, screw it half way in to one piece, add glue and screw on the other piece. Grind a bit off the screw that has to normally screw in there if you have to. There is nothing that will glue that to be as strong as it was before but adding a little piece of screw or ready rod will make it nearly as strong as before it was broken.
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Exactly what I was thinking... that is the strongest way to fix it.
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04-22-2018, 10:11 PM
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Join Date: Jul 2012
Location: one Fort or another
Posts: 768
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Quote:
Originally Posted by drhu22
Exactly what I was thinking... that is the strongest way to fix it.
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No it's not. Because you're still depending on the original pad size and struts which are cast into the main shell.
You want to build up an epoxy collar around that whole deal which will grip to much more of the main shell. Of course, your reinforcing shank and a built up collar together would be still better.
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04-22-2018, 10:23 PM
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Banned
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Join Date: May 2009
Location: Communist state
Posts: 13,245
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Quote:
Originally Posted by Arty
No it's not. Because you're still depending on the original pad size and struts which are cast into the main shell.
You want to build up an epoxy collar around that whole deal which will grip to much more of the main shell. Of course, your reinforcing shank and a built up collar together would be still better.
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No.... you're not. Now you've introduced an internal web of strength like using rebar in concrete to put it simply. Way stronger than duct tape on the outside.....
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04-22-2018, 10:26 PM
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Join Date: May 2014
Posts: 1,661
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you could encase the two parts in *west system*
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04-23-2018, 01:13 AM
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Banned
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Join Date: Dec 2009
Location: Copperhead Road, Morinville
Posts: 19,290
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I just had a thought. What if I could level the surface where the plastic piece broke off and I glued a nut to it? I would think that it might be stronger than gluing that plastic piece back on. Is there a glue that would hold the nut tight and would this idea be feasible?
Maybe better yet, if I forgot about gluing the plastic piece on and applied an epoxy in layers to build it up, would I be able to drill a pilot hole into it that I could screw into?
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04-23-2018, 08:28 AM
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Join Date: Oct 2009
Location: Calgary, AB
Posts: 2,146
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What about PL400?
Yes I know it is in a huge tube.
This is what I know; when I used PL400 on the bottom of a 2 x 4 on concrete and had to remove the 2 x 4, it pull the concrete from the pad....That to me is tight.
Now for other smaller items I never tried it.
__________________
Life is like baseball; it is the number of times you reach home safely, that counts.
We have two lives: The life we learn with and the life we live with after that.
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04-23-2018, 10:49 AM
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Join Date: May 2014
Posts: 1,661
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Quote:
Originally Posted by HunterDave
Maybe better yet, if I forgot about gluing the plastic piece on and applied an epoxy in layers to build it up, would I be able to drill a pilot hole into it that I could screw into?
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that's why I suggested bondic, you could fill the hole and just keep making the tower of plastic to go higher and higher, then pilot drill a smaller hole and put your original screw back in. here's the product again with an outdoorsmen theme;
https://www.youtube.com/watch?v=QfexmZA8JFY
https://www.youtube.com/watch?v=cVexgIvvWzQ
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