The first example that came up:
Also - See if you can find an example or a picture on the net of a solid core being crimped.
Drilled into wire
- Thread starter cawright1
- Start date
Also - See if you can find an example or a picture on the net of a solid core being crimped.
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Not all of them.
Yes, I noticed that.
Straight from China - or not.
So are they designed to be used with crimps that have no insulation?
eg
Rohrkabelschuhe und Verbinder für Massivleiter | Klauke
Rohrkabelschuhe und Verbinder für Massivleiter
www.klauke.com
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I would think so.
A version which was not in Portugese might be easier for some of us to read
However, it looks to me from the picture is that the tool in question only 'crimps' (applies pressure) in one plane, not the three planes one would need for a proper hex crimp - or am I missing something?
Kind Regards, John
Mr.Google will translate.
That's a good point; no, I was missing that.
Not sure, then.
A version which was not in Portugese might be easier for some of us to read
However, it looks to me from the picture is that the tool in question only 'crimps' (applies pressure) in one plane, not the three planes one would need for a proper hex crimp - or am I missing something?
Kind Regards, John
So by three planes, does the lower jaw project upwards as the side ones close in?
Until this thread, I thought that single core should not be crimped. I am glad to be corrected, but would like to know more about which crimping tools and connectors should be used.
Every day on this site is a new day at school, and I am grateful to those of you that pass your knowledge on.
No, the six parts slide in to maintain the hexagon.
In the main, I don't think they are, but I presume there are tools for everything but DIYers here won't have them.
I think the internet is more likely to offer the solution than the forum.
Hint. over time the copper will migrate into the void and this reduces the pressure at the points of contact between the two wires
I'm not sure what you mean about the 'side ones' but, from what we swe i the photos, I can's see how pressure could be ('directly'
applied in more than one plane.It looks as if the tool produces 'hex' crimps simply by squashing (in one plane) the crimp into a hexaginal shape constrained by a hexagonal hole in the die ...
However, those holes are not even 'regular hexagons' (all sides equal). In those pics,they are much 'wider' than 'tall', so they would seem to be only fractionally different from ('better than') the ones we are used to seeing, with the 'sides' being rounded.
To get what I would personally call a 'true hexagonal crimp' requires a much more complicated too, which actively applies pressure in three planes. I believe (but am far from sure) that DNOs (and other 'industrial' users) use such tools (usually hydraulic) for large cables.
It is certainly the case that some industries/organisations (e.g. NASA) have a policy that single solid conductors should not be crimped. However, you only need to 'look around', or look at the archives of a forum such as this, to see that UK electricians (and very probably others) regularly use, and advocate/advise the use of, crimps on solid conductors (e.g. T+E up to 2.5mm²)..
As a confessed 'non-expert', I'm in no position to be regarded as any authority but, for what it's worth, I've personally never been very comfortably with joints (with any type of conductor) crimped using the sort of tools that electricians seem to use and advocate - but that's probably 'just me'. I would personally be much more comfortable with soldered joints any day - but, again, that's just me!
Kind Regards, John
Quite. See what I have written to opps. It looks to me that that tool is only fractionally different from ('better' than) the non-'hex' ones we are uised to.
Kind Regards, John
Nope, me too.
The larger sizes of alloy cables, back in the day - were solid cores. I was always suspicious of the reliability of those, when crimped.
I remember some of the larger hydraulic crimpers, would have the lug fit into a U shaped die, then the moving part would force a relatively small indent into the open face/ top of the U.
Well, they would be a lot worse if they were not the exact size for the wire being crimped and vice versa.
So, are butt-crimps not a good idea in the first place?
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