[OpenSCAD] Joining parts

Lee A 683lee at 337lee.com
Fri Jul 19 17:47:59 EDT 2019


He mentioned brands I never heard of.
I prefer this guys testing. He actually shows the test and numbers. And 
I don't have to do my own data analysis.
https://www.youtube.com/watch?v=H4xX7VecgzA

Lee

On 7/19/2019 3:52 PM, adrianv wrote:
> Actually a thick or gel cyanoacrylate glue may be the best glue even for
> filling small gaps if you pick the right one.  Cheap superglues don't
> perform particularly well, but take a look at the test results below.  This
> glue test was done on wood, not PLA, but the CA glue 2P-10 was remarkably
> strong even in gap filling.  Much stronger than gorilla glue---in fact, it
> was the strongest glue tested in gaps, outperforming even epoxy.
>
> https://www.youtube.com/watch?v=ZoaTZY5cSQE
> https://docs.google.com/spreadsheets/d/1GAZrhrtJPi8-iqPRVfqgOgf7RTg8Vqmen6OKJ4Ae6_I/edit#gid=321279609
>
> A problem with gorilla glue is that it expands into gaps by foaming, which
> makes it weak.
>
>
> alexgibson wrote
>> I agree the gel superglue is the best for surfaces with good contact.
>>
>> For joining parts by textured sides, I would recommend the original
>> 'Gorilla
>> glue'.  It expands slightly into the texture and makes a less brittle
>> joint.
>>
>> Another option is I use a '3d printing pen' as a welding device.  For a
>> really solid join, if you can get the internal access to the part, make a
>> grid of holes on the mating surface and 'plug weld' the two parts together
>> at those points.
>>
>> You can add a couple of studs to the other side which line up with the
>> holes
>> for a fantastic alignment - or just a matching hole and put a bolt through
>> them while you do the other welds.
>>
>> This is a description of the process in metal but the actions are exactly
>> the same, I just use a pastel pink '3Doodler' clone!
>> https://www.mig-welding.co.uk/plug-weld.htm
>>
>> Cheers,
>>
>> Alex Gibson
>>
>>
>> admg consulting
>>
>> edumaker limited
>>
>> . Project management
>> . Operations & Process improvement
>> . 3D Printing
>>
>> -----Original Message-----
>> From: Discuss [mailto:
>> discuss-bounces at .openscad
>> ] On Behalf Of Bryan
>> Lee
>> Sent: 19 July 2019 16:25
>> To: OpenSCAD general discussion
>> Subject: Re: [OpenSCAD] Joining parts
>>
>> I was just recommended this:
>> 	https://smile.amazon.com/dp/B0778LB4RX
>>
>>
>> Thus
>> arnholm@
>>   hast written on Fri, Jul 19, 2019 at 05:15:13PM
>> +0200, and, according to prophecy, it shall come to pass that:
>>> On 2019-07-19 16:40, Bryan Lee wrote:
>>>> Other than that, I've used Cyanoacrylate/superglue to glue PLA.
>>> Thanks for the replies. I was mostly interested in something easily
>>> available and superglue fits the bill.
>>>
>>> Carsten Arnholm
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>
>
>
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