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Heat Shrink Crimpers


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I need to crimp about 50 heat shrink terminals, and I have since found out that the dye for Heat Shrink is not the same as nylon.

Does anyone out East Auckland have one they could hire out for the day?

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What have you got right now? You can use a normal ratcheting crimper. There is not a great deal of difference between them. The jaw is usually a bit flatter so as the heatshrink is not damage when crunched down. but I have always used the noirmal crimper with no problems. Once you have made a crimp, give it a tug to ensure it is tight.

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If you can't get someone to loan/rent you out the tool... I used the manufacturers ratcheting crimpers for about a year until the tool broke. I then learned.... You can use most KLEIN brand 'soft' Single crimper jaws at their respective (Yellow, Blue, Red) settings.  A soft jaw is one with oval/rounded outer edges, I've done this for 20 years and 1,000's of connections without any issues for 'Name Branded' 22-10 AWG size connectors from "Quick Cable",  not sure about your metric sizing and metric tools and connectors but I would at least give it a try on a few test connectors.

Crimp them, inspect the heat-shrink plastic for damage that cuts thru to the tin coated connector; if none... heat shrink it and check again; if none.... put the connector in a vise and pull HARD on the wire to check break-out strength (often breaks just outside the edge of connector body). If the wire does not pull out of the fitting, I SUGGEST YOU ARE GOLDEN.

I used only Class-K wire tin coated with name branded Connectors (not cheap unlabeled potentially China knock-offs)

Here is a video that shows a 'soft' jaw single crimper... https://www.ancorproducts.com/en/309103  This one is ratcheting and the brand tool I started out using.

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Thanks guys. I looked at the Klein ones, but since have order ex USA a Wirefy set with 5 dyes incl. heat shrink. Won't be here till Monday, but not going out this weekend anyway.

I found trying to use the Nylon dye didn't always work (could pull wire through) and damaged heat shrink.

 

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