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Thread: Crimping tool

  1. 12th January 2016, 05:02 PM #21
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    I did all my battery cables with welding cable and suitably sized copper crimp lugs which I sourced from an electrical supplier.



    Even the big 70mm2 lugs were $2.80 each, so not really going to break the bank if you are making a single cable...

    Welding cable (and any cable for that matter worth using), is measured in mm2 (millimeteres squared) Cross Sectional Area. Don't even bother with automotive cable rating, as they'll screw you on the copper and give you heaps of insulation and false hope / shattered dreams

    You can roughly convert cable 'gauge' (equivalent to B&S), with a mm2 CSA, and use lugs that suit.
    For example I used 13mm2 cable with 16mm2 lugs, worked fine.

    I opted more towards lugs and post terminals, as they are more useful with a lot of the battery terminals out there, and can be easily stacked, removed etc.
    If you can live with standard sizes, there are plenty of 'off the shelf' pre-made options at the usual auto stores too...

    If you don't wish to buy a crimper, I managed to borrow one from a electrical supplier for a few crimps (did it in their car park), as my cruimper didn't go to the size I needed. Even a skookum hydraulic one can be had relatively inexpensively off ebay (<$50). Could always buy it and flip it afterwards.
    -Mitch
    'El Burro' 2012 Defender 90.
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  2. 12th January 2016, 06:19 PM #22
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    Thanks Mitch. At $50 I was thinking of giving it a go. I really wasn't sure on the 13mm2 cable into a 16mm2 lug and whether that was a big no no or whether that's basically fine. I think I confused the issue talking about B&S. Oops. My bad.

    The other thing was type of crimp - indent verses hex, but there are hex type crimpers for $40-$50 and hex definitely looks better if it is done properly. So I think it's decided. El-cheapo hex crimper and crappy DIY cables.
    - Justin

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  3. 12th January 2016, 06:32 PM #23
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    Quote Originally Posted by DoubleChevron View Post
    Have any of you guys tried the hydraulic crimpers. 8ton crimpers are cheap these days.

    8 TON Hydraulic Crimper Cable Wire Force Crimping Tool KIT 9 DIE 4mm 70mm | eBay

    I imagine these would create a crimp equivelant to the factory crimps on our cars.

    seeya,
    Shane L.
    I'll let you know in a few days...
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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  4. 12th January 2016, 06:48 PM #24
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    Got one of those ^^^.....seems to do the job ok, if a bit fiddley to use.
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  5. 17th January 2016, 06:51 PM #25
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    Did it arrive Gav?
    - Justin

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  6. 17th January 2016, 07:19 PM #26
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    Not yet mate, expecting it any day. 'On or before the 21st Jan' according to fleabay.
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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  7. 17th January 2016, 07:41 PM #27
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    Quote Originally Posted by Rick1970 View Post
    Got one of those ^^^.....seems to do the job ok, if a bit fiddley to use.
    How do you mean fiddley? Do the dies stay put?
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  8. 17th January 2016, 08:17 PM #28
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    Quote Originally Posted by Ranga View Post
    How do you mean fiddley? Do the dies stay put?
    Probably the age old problem of getting a good crimp with only 2 hands.
    Even with the bolt-cutter type, you need to keep the cable pushed deep into the lug, and then use both hands to close the crimping tool.
    Same deal with the hydraulic ones, takes a number of pumps to get it to seat fully and compress the lug.
    -Mitch
    'El Burro' 2012 Defender 90.
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  9. 17th January 2016, 08:24 PM #29
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    Unless I'm actually doing the crimp in a vehicle - which I'm usually not with bigger stuff, I've always stuck the bottom handle of the crimper in the vice - my old one even has a tang on the handle just for this, so you only need one hand to operate the crimper and one can manage the lug and cable.

    Maybe that's secret Sparky business - I'll have to kill you all now...
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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  10. 18th January 2016, 09:22 AM #30
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    Quote Originally Posted by bacicat View Post
    Unless I'm actually doing the crimp in a vehicle - which I'm usually not with bigger stuff, I've always stuck the bottom handle of the crimper in the vice - my old one even has a tang on the handle just for this, so you only need one hand to operate the crimper and one can manage the lug and cable.

    Maybe that's secret Sparky business - I'll have to kill you all now...
    My biggest problem is anything you want a good crimp on is usually hidden in an engine bay ... or your laying on your back looking up into a dashboard. No crimper known to man will get into there, let alone do a decent crimp..................... out comes the soldering iron

    seeya,
    Shane L.
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