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Topic Title: Cutting and stripping SWA
Topic Summary:
Created On: 30 January 2009 08:05 PM
Status: Read Only
Linear : Threading : Single : Branch
 Cutting and stripping SWA   - 1652 - 30 January 2009 08:05 PM  
 Cutting and stripping SWA   - sparkingchip - 30 January 2009 08:11 PM  
 Cutting and stripping SWA   - leeward - 30 January 2009 08:17 PM  
 Cutting and stripping SWA   - rocknroll - 30 January 2009 08:15 PM  
 Cutting and stripping SWA   - deleted_2_tony30 - 30 January 2009 10:06 PM  
 Cutting and stripping SWA   - spinlondon - 30 January 2009 11:44 PM  
 Cutting and stripping SWA   - ebee - 30 January 2009 11:51 PM  
 Cutting and stripping SWA   - scooby1 - 30 January 2009 08:22 PM  
 Cutting and stripping SWA   - Testit - 30 January 2009 09:08 PM  
 Cutting and stripping SWA   - scooby1 - 30 January 2009 09:17 PM  
 Cutting and stripping SWA   - Testit - 31 January 2009 12:44 AM  
 Cutting and stripping SWA   - dg66 - 31 January 2009 08:45 AM  
 Cutting and stripping SWA   - eodneil - 31 January 2009 12:42 PM  
 Cutting and stripping SWA   - BigRed - 25 February 2013 11:07 AM  
 Cutting and stripping SWA   - KFH - 25 February 2013 12:51 PM  
 Cutting and stripping SWA   - Ricicle - 25 February 2013 03:06 PM  
 Cutting and stripping SWA   - MrOther - 25 February 2013 04:59 PM  
 Cutting and stripping SWA   - OldSparky - 25 February 2013 07:54 PM  
 Cutting and stripping SWA   - Dave69 - 26 February 2013 09:38 AM  
 Cutting and stripping SWA   - JohnGrayson - 02 March 2016 04:35 PM  
 Cutting and stripping SWA   - Legh - 02 March 2016 04:53 PM  
 Cutting and stripping SWA   - kirchoffs - 02 March 2016 08:12 PM  
 Cutting and stripping SWA   - leckie - 02 March 2016 06:01 PM  
 Cutting and stripping SWA   - alanblaby - 02 March 2016 07:19 PM  
 Cutting and stripping SWA   - AJJewsbury - 02 March 2016 07:23 PM  
 Cutting and stripping SWA   - Dave69 - 02 March 2016 08:48 PM  
 Cutting and stripping SWA   - leckie - 02 March 2016 09:43 PM  
 Cutting and stripping SWA   - davezawadi - 02 March 2016 10:28 PM  
 Cutting and stripping SWA   - Dave69 - 03 March 2016 01:05 AM  
 Cutting and stripping SWA   - stevechrry - 15 March 2016 04:01 PM  
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 30 January 2009 08:05 PM
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1652

Posts: 348
Joined: 22 March 2007

Got a big industrial job on going, hundreds of SWA cables to be run from 3 core 1.5mmSq, to 4 core 10mm Sq, also BS 5308 swa cables.

Anyone know of the best SWA cutter to get hold of for speed (rather than the hacksaw) seen lots of ratchet cutters on Ebay etc. Also the new Kewtechnik WSBR28 cable stripper (mini blade on a pipe cutter) anyone tried this device yet?

http://www.alertelectrical.com...ade-Runner-WSBR28.asp

Thanks guys.
 30 January 2009 08:11 PM
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sparkingchip

Posts: 9953
Joined: 18 January 2003

The Kewtech Blade is fixed in one position, so all the wear takes place on a couple of teeth, you won't do enough work from one blade to make it worthwhile.

The tool needs redesigning so that the blade can move forwards and back to use all the teeth on it.

Stick with the Hacksaw.

Andy Betteridge
 30 January 2009 08:17 PM
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leeward

Posts: 551
Joined: 25 June 2007

I think they save lots of time which makes them a good buy, also saves the graft which you would get with the hack saw.

Worth buying one I'd say, 'try it you might like it'!

-------------------------
Best wishes

Lee

The most amazing spark the world has ever seen (that's for you, you know who you are :-))
 30 January 2009 08:15 PM
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rocknroll

Posts: 9541
Joined: 03 October 2005

Got a big industrial job on going, hundreds of SWA cables to be run from 3 core 1.5mmSq, to 4 core 10mm Sq, also BS 5308 swa cables.


You might need to negotiate with Kew-Tech a pack of a 100 spare blades. at 3 @ £9.99

Conventional method is still the best. and cost effective.

regards

-------------------------
"Take nothing but a picture,
leave nothing but footprints!"
-------------------------
"Oh! The drama of it all."
-------------------------
"You can throw all the philosophy you like at the problem, but at the end of the day it's just basic electrical theory!"
-------------------------
 30 January 2009 10:06 PM
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deleted_2_tony30

Posts: 1680
Joined: 16 August 2005

for the bootlace sizes you suggest a junior hacksaw will do just great.

please also use proper spanners or adjustables not grips on the gland!!

happy swa-ing

tony
 30 January 2009 11:44 PM
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spinlondon

Posts: 5494
Joined: 10 December 2004

Junior hack saw every time.
 30 January 2009 11:51 PM
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ebee

Posts: 6340
Joined: 02 December 2004

I use a hacksaw for the limited amount I do but I can see the merits of trying this tool.
I can`t tell you from experience but I`d certainly give it a try, might be worthwhile.

-------------------------
Regards,
Ebee (M I S P N)

Knotted cables cause Lumpy Lektrik
 30 January 2009 08:22 PM
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scooby1

Posts: 176
Joined: 03 October 2006

Just bought the 60mm pair of ratchet cutters from this site the other day. Used them on 6mm swa and it done what it said on the tin. Cut through like a hot knife through butter. Cheap as chips too.
Regards
http://www.toolswithgrunt.co.u...hp?_a=viewCat&catId=32
 30 January 2009 09:08 PM
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Testit

Posts: 2962
Joined: 06 August 2007

Those cutters are OK for a symetrical cut, but a bit flimsy in construction and can wander a bit if you are not carefull. All in all though I find them OK. Cheap enough to just suck it an see, try it and if you like them then go ahead and continue... otherwise knock up your own..

-------------------------
Online Services - http://propertydevelopment.org.uk

Experience can sometimes show that cost prevails over quality and safety, such little self-value that people hold.
 30 January 2009 09:17 PM
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scooby1

Posts: 176
Joined: 03 October 2006

Presume you are talking about the kew tek cutters Testit? They are most definately a waste of money. Mine have gone back to the wholesalers after about 3-4 uses, the plastic snapped on mine.
 31 January 2009 12:44 AM
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Testit

Posts: 2962
Joined: 06 August 2007

Originally posted by: scooby1

Presume you are talking about the kew tek cutters Testit? They are most definately a waste of money. Mine have gone back to the wholesalers after about 3-4 uses, the plastic snapped on mine.


yes they are a bit flimsy.. cheap plastic and fo rthe money I was expecting metal.. having said that I've used it a fair bit and on the same blade.. but likely it will get smashed into bits soon witht he way I lump things around on times... I was thinking of nicking the idea though for something more robust to be knocked up in me shed..

-------------------------
Online Services - http://propertydevelopment.org.uk

Experience can sometimes show that cost prevails over quality and safety, such little self-value that people hold.
 31 January 2009 08:45 AM
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dg66

Posts: 1712
Joined: 11 January 2008

The hand held ratchet cutters are excellent for the small size SWAs you are using and i've used them on singles up to 400mm,much quicker than using a saw.

-------------------------
Regards

Dave(not Cockburn)
 31 January 2009 12:42 PM
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eodneil

Posts: 67
Joined: 16 May 2007

I actually like the Kewtechnik SWA tool, although I've only used it about 10 times with the same blade, biggest was 3 core 10mm I think and each time it gave a good clean cut, with less hastle and in less time.

Neil

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 25 February 2013 11:07 AM
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BigRed

Posts: 580
Joined: 10 November 2006

bladerunner is ok but takes time, most people try to do deep cuts straight away, knackers the blades. find it useful when up a platform and have restricted access. still use the hacksaw most of the time though!
 25 February 2013 12:51 PM
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KFH

Posts: 534
Joined: 06 November 2010

I have a bladerunner and it works OK. I find it useful when working in difficult places. Have only gone up to 10mm 3 core. Find a junior hacksaw better if I have easy access. The blade runner has been dropped a couple of times and not broken so far. Still on the original blade after 40+ uses but it is a bit blunt.
 25 February 2013 03:06 PM
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Ricicle

Posts: 894
Joined: 23 October 2006

I tried a Kewtech cutter but it was a load of carp. Best way for you is a junior hacksaw with a nice new blade in.

-------------------------
Empty barrels make the most noise.
 25 February 2013 04:59 PM
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MrOther

Posts: 604
Joined: 08 June 2010

SWA is my bed and butter.

Must say after a second time of using it, the Blade Runner is a winner for me, especially in tight corners. A good junior/senior hacksaw and new blade still does the job (don't use cutters as I saw one bloke do.)

Ratchet Cutters can be expensive but a great buy, if you know someone who works for the DNO you might be able to strike up a deal.
 25 February 2013 07:54 PM
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OldSparky

Posts: 613
Joined: 28 June 2011

mini grinder with steel cutting blade is the quickest
 26 February 2013 09:38 AM
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Dave69

Posts: 612
Joined: 16 July 2011

are you talking about scoring the amour or just cutting the cable to length?

10mm 4 core is baby stuff, a decent pair of croppers will cut it with ease and a junior hacksaw will score the armour.
 02 March 2016 04:35 PM
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JohnGrayson

Posts: 1
Joined: 02 March 2016

I've heard Bronneberg have some industrial cable strippers, similar to what you are describing. Could any of these be suitable for the job?

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 02 March 2016 04:53 PM
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Legh

Posts: 4028
Joined: 17 December 2004

I have used a 'bladerunner' stripper for the last few years and the first one lasted for about 200 SWA ends (1.5mm2 - 10mm2) until the body cracked.
I would say that you don't over tighten the screw handle and change the blade when it starts to get blunt.

Legh

-------------------------

http://www.leghrichardson.co.uk

de-avatared
 02 March 2016 08:12 PM
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kirchoffs

Posts: 229
Joined: 08 February 2010

i've tried them both . The blade runner rubbish
The CK version excellent
 02 March 2016 06:01 PM
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leckie

Posts: 4323
Joined: 21 November 2008

Has anyone ever tried the CK stripper? Are they any good? I'm still a knife and hacksaw person, but it seems amazing that I am still doing it the same way after forty plus years! Most other areas of work have newer method, for example there a cannot be too many sparks still using a rawlplug tool.
 02 March 2016 07:19 PM
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alanblaby

Posts: 747
Joined: 09 March 2012

Yes, I got one last year.
Brilliant.
It comes with 5 spare blades, which need replacing immediately if you twist it the wrong way.
Other than operator error, I can thoroughly recommend it.
This one:
http://cktools-superstore.co.u...A-Cable-Stripper-T2250
 02 March 2016 07:23 PM
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AJJewsbury

Posts: 15838
Joined: 13 August 2003

Has anyone ever tried the CK stripper?

Not the proper one, but I have taken to using an ordinary plumber's tube cutter (looks almost identical) on a few SWAs which seems to work well to notch the strands.
- Andy.
 02 March 2016 08:48 PM
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Dave69

Posts: 612
Joined: 16 July 2011

10mm 4 core is baby stuff a decent pair of croppers will slice through swa easy, junior hacksaw and Stanley knife for the rest of cable prep.

BS5308 can be different depending on conductor size, number of pairs and whether individually srceened or just overall, I find once you get up to 20pair croppers struggle to cut the conductors so you waste time getting the side cutters out, better to go straight for the hacksaw

We allow 10mins per gland for cables upto 6mm 4 core to gland off and terminate, can sometimes take longer if the gland plate is miles away from the terminals and you have to strip metres of amour back. We all know you can do the odd gland quicker but not constantly over a 8 hour day, especially if the cables are already clipped to tray and have to have the swa cut to the exact length
 02 March 2016 09:43 PM
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leckie

Posts: 4323
Joined: 21 November 2008

10 minutes per gland, that interesting Dave, well it is to me as I have priced based on unit rates for the last forty odd years. That's approx 0.17 of an hour. I would be allowing marginally more. If you have an 8 hour day that's 480 minutes, I think actual output of most employees should be based on 8 hours payy, but only about 6 hours work. The rest is taken up with talking, walking, unpacking tools, packing up tools, and drinking tea. So a unit rate of about .21 of an hour is where I would be. About 36 glands per day. More can be done, but only by the motivated.

But that's based on the knife and hacksaw method. Perhaps with the CK tool, turned in the correct direction, it might increase the output, I'll get one and try.
 02 March 2016 10:28 PM
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davezawadi

Posts: 3846
Joined: 26 June 2002

The CK is excellent, stripping the sheath and armour, then just the sheath is very neat and quick. More reliable than the junior hack saw, particularly on smaller sizes.

-------------------------
David
BSc CEng MIET
david@ZawadiSoundAndLighting.co.uk
 03 March 2016 01:05 AM
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Dave69

Posts: 612
Joined: 16 July 2011

Sorry leckie, I should of made that a little clearer, holes will of already been drilled by labourer and the gland bodies c/w with sealing washer and banjo, serrated washer and locknut and 5,2mm hole drilled and tapped out M6. And banjo bolted to gland plate with 6mm bolt etc. The 10 minutes is purely to cut cable to length and gland off and then terminate the cores. We all know boredom will set in and no one would really be expected to be glanding cables all day, but if you cant do at least 18 in three hours as far as im concerned you need to find another job. I am still amazed at how many so called industrial sparks don't even know how to make off a swa gland, the Times you see far too much outer sheath stripped back on both BW glands and even CW glands where the outer sheath isn't even in the final seal, and then you see others who have the outer sheath correctly in the gland and then proceed to tighten up the end nut with all their might wrenching it round and round with a spanner or even worse a pair of grips, they should only be hand tight plus at most one turn with a spanner or half a turn if you're extra tough with your hand tight. Its one of the biggest reasons for moisture ingress
 15 March 2016 04:01 PM
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stevechrry

Posts: 16
Joined: 24 May 2013

Try this. Set a short hacksaw blade between to strips of hardwood leaving enough of the blade exposed to cut through 75%of the armouring. Strap together with strong tape or bolts. Leave enough wood to use as a handle and hey presto...... saw away to your hearts content without damaging the inner sheath.
Right then back to my Blue Peter DIY Book !!

Steve
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