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when u need something glued right the first time what do you use?


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6 replies to this topic

#1 cpunoob

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Posted 29 January 2018 - 03:01 AM

ive tried that gorilla glue and crazy glue

i think the problem i have is that i dont have much area left to glue together

 

just breaks off

 

anyone recommend something really strong

 

im trying to glue a handle back to a crank radio, its the crank handle itself.

lots of plastic underneath is just gone.



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#2 Platypus

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Posted 29 January 2018 - 03:19 AM

There are types of plastic that cannot be glued, and if there is not sufficient area of contact to support the load on something like a crank handle, any glue will break.


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#3 Havachat

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Posted 29 January 2018 - 04:36 AM

Any Photo ?

 

Being a Crank Hande it will have force on it that glue cant keep it stable.

 

Think outside the Square....You dont have to use all Glue !

Can you Brace it eg: down the Sides ? Two metal strips and drill 2 Holes and Pop Rivet it.

Then Glue around that with Araldite { Takes 24hrs to go Rock solid }.



#4 Condobloke

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Posted 29 January 2018 - 04:57 AM

I have used a similar solution to that which Havachat describes....but instead of Araldite I use J-B Weld

 

You can use the jb weld to rebuild whatever area is weakened/missing.... it is rather expensive, but usually does the job brilliantly.


Edited by Condobloke, 29 January 2018 - 04:59 AM.

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#5 britechguy

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Posted 29 January 2018 - 10:24 AM

I'm a big fan of JB Weld and also of several of the plastic-specific epoxies.

 

That being said, given the desired application, this is a case where an epoxy putty (perhaps combined with straight epoxy glue if the putty does not hold) is the perfect solution.  I have used epoxy putty to rebuild things like knife handles where a chunk has come out around the top of the blade.  It dries to rock hardness and can withstand a lot of pressure.  There are even varieties that can be used on things like exhaust pipes and will withstand very high heat.

 

I would try to rebuild the knob itself, using the putty to fill in the missing pieces making sure that the original bits with the cracked edges are embedded nicely, perhaps just ever so slightly overlapped, by the putty.  If necessary you can even make the whole affair solid and drill out the center hole afterward if necessary.


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#6 ddeerrff

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Posted 29 January 2018 - 01:14 PM

If you need to buid up the area, then the suggested JBWeld putty is the way to go.  If you are trying to glue plastic, then look into an MMA adhesive, such as Devcon Plastic Welder.  https://www.tapplastics.com/product/repair_products/adhesives_glues_sealants/plastic_welder/278


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#7 PerspectiveObjective

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Posted 29 January 2018 - 10:53 PM

For what its worth, maybe helpful, if you've two pieces: an old crappy solder stick or solder gun and metal strips or metal screen, I've used worn out bacon frying splatter screen and various plastics melted on later for extra strength.  Its slow work and you have to say screw it and come back later to finish it, VERY SLOW WORK!  I repaired an ultra light (my personal favourite that some meathead BROKE!) avalanche shovel.  The head was all broke out almost in half too, WORKS GREAT NOW!  Last thought...  then the kayak and sporting kids said to lastly add layers of epoxy [might have said raw acrylic, doubtful but maybe] which we've a few gallons around but I have never done that on any repairs, the metal holds if its deep.


Edited by PerspectiveObjective, 29 January 2018 - 10:58 PM.

Oh those are really nice, where`d you get them done at? YOUR NAILS SILLY! Banter/Wit is a primary member requirement to colossal project solution.  Not to toot my horn......          (                (        (       (     :trumpet: but, who else will!? teeehehehehehheeee!~~~8 : P Additionally::: "Do, or do not. There is no try." - Yoga





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