blakep82
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| posted on 20/8/10 at 02:52 PM |
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die grinders
i've had a dremel for a few years, never really been impressed with it. takes ages to grind anything away, a bit under powered, you hear the
motor slow down a lot. its not had that much use either, but the bearings are pretty noisy.
not impressed for the £50 with the accessories i paid...
i've got a big compressor, 150litre tank, 3hp blah blah blah.
whats the thoughts on this?
http://www.machinemart.co.uk/shop/product/details/cat98-air-die-grinder-kit/path/air-files-grinders-riveters
will use it mostly for grinding a 10mm stainless plate for my exhaust, for matching the ports to the pipes.
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clairetoo
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| posted on 20/8/10 at 03:12 PM |
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What HP your compressor is , is not important - it's the CFM that matters . Tools like a die grinder are very air-hungry , and will shift 10 to
15 CFM , so you need at least 25 CFM (in my experience) to use one continually .
I have `used' many of those cheap grinders over the years (10 to 15 quid at kitcar shows) , I have a heavy duty Bergen one I picked up at a show
for £20 and its lasted four years so far 
Its cuz I is blond , innit
Claire xx
Will weld for food......
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blakep82
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| posted on 20/8/10 at 03:17 PM |
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ah yes, mine is 14cfm displacement (can't remember the free air figure)
this one in fact
http://www.machinemart.co.uk/shop/product/details/se16c150-air-compressor/path/professionalindustrial-air-compressors-elect
do you reckon it would still be better than a dremel though?
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daviep
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| posted on 20/8/10 at 03:17 PM |
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Unfortunately you get what you pay for, the set of grinding stones are not much use for heavy duty metal removal, you're far better with a
couple of tungsten carbide burrs.
Have a look at Ingersol Rand or CP for quality air tools.
“A truly great library contains something in it to offend everyone.”
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suparuss
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| posted on 20/8/10 at 03:19 PM |
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mine must have an inbuilt compressor cos you just plug it into a 110v socket and away you go! or maybe its electric...
most air tools are really only suitable if you have a busy workshop with a big hydrovane running constantly, otherwise they are a bit inificient leccy
usage-wise. 2or 3 KW to run a tiny little die grinder is silly really.
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blakep82
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| posted on 20/8/10 at 03:27 PM |
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i don't have a 110v socket! lol. i also don't want to spend a small fortune on some type of grinder.
any recommendations then? about £30 if possible. aside from the work on the exhaust, it probably won't get much use afterwards
________________________
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don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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lewis
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| posted on 20/8/10 at 03:31 PM |
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that will be fine for hobby use mate and your compressor should cope ok,if it dont then just wait for it to fill up again,thats what i do
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Mix
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| posted on 20/8/10 at 03:37 PM |
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Hi
I've used those die grinders for years and in my opinion they are fine, ensure you oil them before and after each period of use and they will
last for years. As stated above it is far more important to get yourself some good quality burrs. Point to note - these grinders come with either
1/4" or 6mm collets - ensure you buy matching burrs.
Regards Mick
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v8kid
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| posted on 20/8/10 at 04:19 PM |
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Bought mine from Bills Tool store in the Barrows complete with tungston carbide cutter for less than that. Had it for a few years with no probs.
Uses loads of air but the cutter removes so much metal you only want to use it in short bursts anyhow and that gives the compressor time to catch
up.
It's not a precision tool and the results are rough and ready as it is essentially like hand carving in wood but with the power of the
compressor behind you.
You'd be surprised how quickly the sales people at B&Q try and assist you after ignoring you for the past 15 minutes when you try and start a
chainsaw
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907
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| posted on 20/8/10 at 05:10 PM |
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£40 off eBay (240v)
Paul G
Image deleted by owner
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hillbillyracer
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| posted on 20/8/10 at 08:29 PM |
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I've got a Sparky 240v one in my own workshop at home & there's a Bergen air one at work.
The electric is 700w, has more power & the obvious benifits of electric being instantly available but it's relativly clumsy & can
snatch badly (I broke a bit shank due to this).
The Bergen air tool was a cheapy that looks the same as Clarke, Sealey etc from a tool stall at a show, having got the electric one at home I badgered
the boss about it so he got it to try at about £20. We use it every day at some point but I would'nt say it's use is heavy & after
about 4 years it's knackered but for the money I think its been fantastic. It's compact, just about enough power & very forgiving
compared to the electric in power delivery. Being an air tool it can get very cold to use over a long period though.
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les g
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| posted on 20/8/10 at 10:01 PM |
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HI
I work in the heavy plant industry
we use those and more expensive ones
as has been said before
oiling is 1000000% essential an auto oiler will prolong the life of any air tool
they are all air hungry but for diy ..stop and go is the norm
but the real deal is the qualty of the grinding burrs....
we pay as much as £30 a burr
use a good quality moly cutting oil and the burrs will last and cut like you wont believe
cheers les g
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blakep82
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| posted on 24/8/10 at 10:36 AM |
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cheers everyone, i eventually went to glasgow and bought an air powered one. its brillint  need to find some cutting fluid. machine mart only had a
litre bottle, which i wouldn't need.
gave it a quick try the other night, and its brillint
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