Budget Sandblaster - Machine mart - Views

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Lee_D

Guest
Any one got one?

http://www.machinemart.co.uk/product.asp?p=000510004

I'd like to know if it would be any good for..

1. Cleaning the oil drips from block paving (specifically patches rather
than the whole drive)
2. Removing paint from wheels (Morphs old nato drab)

I have a compressor of the desired size.

Bound to be soome reason against it as the price seems good.

Lee D

--

www.lrproject.com

Workshop photos from Landrover repairs
& other such tinkerings.
Home of Percy the Jag powered Landrover


 
Yes i've got one - don't use it now, cos i have a shot blasting cabenet.
the only thing against them realy is the amount of waste and mess, i
would thing you would get through a lot of material on your wheels.

Gary


Lee_D wrote:
> Any one got one?
>
> http://www.machinemart.co.uk/product.asp?p=000510004
>
> I'd like to know if it would be any good for..
>
> 1. Cleaning the oil drips from block paving (specifically patches rather
> than the whole drive)
> 2. Removing paint from wheels (Morphs old nato drab)
>
> I have a compressor of the desired size.
>
> Bound to be soome reason against it as the price seems good.
>
> Lee D
>

 
"Gaza" <[email protected]> wrote in message
news:[email protected]...
> Yes i've got one - don't use it now, cos i have a shot blasting cabenet.
> the only thing against them realy is the amount of waste and mess, i would
> thing you would get through a lot of material on your wheels.
>
> Gary

Would a bucket of sand do the trick to be swept up and re used or would that
promptly jam it with paint debris? Is this how the cabinetes work on a
recycle basis?

I'm suspecting it's got to be a medium of just the right diameter.

And I'm also midful of harmful dust from the process so any pointers
appreciated.

Lee D


 
I had a go at cleaning one of my wheels up to see how hard it was -
they are bronze green underneath!

It wasnt actually that bad. If you take the wheel off and lie it flat
on the ground its a lot easier. It didnt take much nitromors. A lot of
the camo on mine would just flake off if i ran a screwdriver round the
wheel.
 
Lee_D wrote:

> 1. Cleaning the oil drips from block paving (specifically patches rather
> than the whole drive)

Probably.

> 2. Removing paint from wheels (Morphs old nato drab)

Yes.

> I have a compressor of the desired size.

But what size reciever? I use a 3HP/150L reciever, and it has to run
flat out to run one of these:

<http://www.northerntool.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=6970&productId=583&R=583>

> Bound to be soome reason against it as the price seems good

Yes, enough media to do your wheels will probably cost the same as the
purchase price of the gun, you NEED protective gear (it is horrible
stuff and gets EVERYWHERE). A sandblaster hood will probably cost more
than twenty quid, and then you'll need new lenses for it all the time
(depending on what kind of work you're doing - fine sandblasting and
you'll go through more peering at the work you're doing, rough stuff
you'll be further away.

It's one tool that was bought to do more stuff in-house and speed
things up for me, but since gettting it I've used it a few times and
came to the conclusion that it's no good unless:

1) You can get media cheaply (don't expect to reuse it)
2) You can make a real mess somewhere and then clean it up easily
(that'll probably not be an issue for you if you have block paving, I
don't, I did outside on the dirt)
3) You have a large reciever for you air compressor (I'm not convinced
by air tools minimum requirements, they're generally a bit on the
"might just work side" rather than the "works OK with side"

Regards

William MacLeod

 
Lee_D wrote:

> Would a bucket of sand do the trick to be swept up and re used or would that
> promptly jam it with paint debris? Is this how the cabinetes work on a
> recycle basis?

"Sand" is probably illegal these days, the media is usually glass bead
or carborundum.
Recycling in a cabinet is either by a cyclone system, or in the cheap
end, just using a well filtered wet/dry vacuum cleaner to suck out the
finer **** as it is suspended in the air in the cabinet.



>
> I'm suspecting it's got to be a medium of just the right diameter.

Its actually not spectacularly sensitive to grit size, obviously you
can't shoot pea gravel or 5000 grit, but bigger media can still be
lifted if you turn the wick up.

Steve
 

"Tom Woods" <[email protected]> wrote in message
news:[email protected]...
> I had a go at cleaning one of my wheels up to see how hard it was -
> they are bronze green underneath!
>
> It wasnt actually that bad. If you take the wheel off and lie it flat
> on the ground its a lot easier. It didnt take much nitromors. A lot of
> the camo on mine would just flake off if i ran a screwdriver round the
> wheel.

I used nitromors on my motorbike wheels with tubes and tyres still on.
Shortly after I got back on the road I got a flat, the tube had deteriorated
round the valve :O(


 
On Mon, 20 Jun 2005 18:41:16 +0100, "Angus McCoatup©"
<[email protected]> wrote:

>
>"Tom Woods" <[email protected]> wrote in message
>news:[email protected]...
>> I had a go at cleaning one of my wheels up to see how hard it was -
>> they are bronze green underneath!
>>
>> It wasnt actually that bad. If you take the wheel off and lie it flat
>> on the ground its a lot easier. It didnt take much nitromors. A lot of
>> the camo on mine would just flake off if i ran a screwdriver round the
>> wheel.
>
>I used nitromors on my motorbike wheels with tubes and tyres still on.
>Shortly after I got back on the road I got a flat, the tube had deteriorated
>round the valve :O(

Ooh. i shall be careful with the rest of them then! (The one i did is
currently the spare).
Perhaps getting the tyres taken off first would be a good idea!

 

"Lee_D" <[email protected]> wrote in message
news:[email protected]...
> Any one got one?
>
> http://www.machinemart.co.uk/product.asp?p=000510004
>
> I'd like to know if it would be any good for..
>
> 1. Cleaning the oil drips from block paving (specifically patches rather
> than the whole drive)
> 2. Removing paint from wheels (Morphs old nato drab)
>
> I have a compressor of the desired size.
>
> Bound to be soome reason against it as the price seems good.
>
> Lee D
>
I lashed out on an attachment for my high pressure water washer
which uses a venturi to suck dry sand up into the water and blast
it. Its a lot safer than dry blast medium which really needs some
serious respiratory protection for you, family and neighbours. Sand
is absolutely out of the question because of the risk of silicosis, I'm
not sure that you can buy canister type filters for silica - usually
you have to have an external clean air supply if blasting sand.

Most of the Karcher type washers now sell the attachments.

The other advantage of wet blasting is that its easy to clean up, you
dont get dust everywhere and its nowhere near as noisy either.

I tried the air grit blasters - pressure is not an issue with most
compressors - volume is the main issue. Grit blasters use LARGE
amounts of air and the average home compressor is not upto the
task.


 
On or around Tue, 21 Jun 2005 07:58:16 GMT, "Roger & Lorraine Martin"
<[email protected]> enlightened us thusly:

>>
>I lashed out on an attachment for my high pressure water washer
>which uses a venturi to suck dry sand up into the water and blast
>it.

I assume it uses a different lance, can't see sand doing the water nozzle
much good.

what sort of money was it? sounds a useful piece of kit.
--
Austin Shackles. www.ddol-las.fsnet.co.uk my opinions are just that
"Quos deus vult perdere, prius dementat" Euripedes, quoted in
Boswell's "Johnson".
 

"Austin Shackles" <[email protected]> wrote in message
news:[email protected]...
> On or around Tue, 21 Jun 2005 07:58:16 GMT, "Roger & Lorraine Martin"
> <[email protected]> enlightened us thusly:
>
> >>
> >I lashed out on an attachment for my high pressure water washer
> >which uses a venturi to suck dry sand up into the water and blast
> >it.
>
> I assume it uses a different lance, can't see sand doing the water nozzle
> much good.
>
> what sort of money was it? sounds a useful piece of kit.
> --

It has replaceable sand nozzles, I made up some more on the lathe
and a quick dip in some case hardening compound. But they do
wear fairly quickly. The water nozzle is before the venturi for the
sand so does nt get sand through it.

Price - well in Aus it is no doubt 2 to 3 times more expensive
than in the UK.


 

"Roger & Lorraine Martin" <[email protected]> wrote in message
news:[email protected]...
>
> "Lee_D" <[email protected]> wrote in message
> news:[email protected]...
>> Any one got one?
>>
>> http://www.machinemart.co.uk/product.asp?p=000510004
>>
>> I'd like to know if it would be any good for..
>>
>> 1. Cleaning the oil drips from block paving (specifically patches
>> rather
>> than the whole drive)
>> 2. Removing paint from wheels (Morphs old nato drab)
>>
>> I have a compressor of the desired size.
>>
>> Bound to be soome reason against it as the price seems good.
>>
>> Lee D
>>
> I lashed out on an attachment for my high pressure water washer
> which uses a venturi to suck dry sand up into the water and blast
> it. Its a lot safer than dry blast medium

perhaps.

<snip>

>
Have you tried using it yet? My experience with one was that it was
hopeless. With the amount of water spraying around, you almost
inevitably get some in the "dry" sand you're trying to blast with.
Result: clog. Or you get a single oversize particle of sand, the nozzle
clogs, and water gets pushed back into the sand feed tube. The only
thing to do is to wash it out and wait for it to dry completely. Then
do the same again. And again. Then put it on ebay.


> Most of the Karcher type washers now sell the attachments.
>
> The other advantage of wet blasting is that its easy to clean up,

Hmmm. A sand slurry everywhere.

> you dont get dust everywhere

you get wet, abrasive grit in every orifice. It's like being at
Criccieth in May.


>and its nowhere near as noisy either.

Compared with a 140cfm diesel compressor and a proper grit blast gun,
true.

>
> I tried the air grit blasters - pressure is not an issue with most
> compressors - volume is the main issue. Grit blasters use LARGE
> amounts of air and the average home compressor is not upto the
> task.
>
Now we do agree. The cheapo suction-fed blasters that claim to work off
3hp compressors achieve this by having a tiny nozzle, so apart from the
clogging and (if you persist long enough) wear problems, the snag is
that they clean strips well under 1/4" wide - slowly.


--
Kevin Poole
**Use current month and year to reply (e.g. [email protected])***
Car Transport by Tiltbed Trailer - based near Derby

 
Autolycus wrote:

> Have you tried using it yet? My experience with one was that it was
> hopeless. With the amount of water spraying around, you almost
> inevitably get some in the "dry" sand you're trying to blast with.
> Result: clog. Or you get a single oversize particle of sand, the nozzle
> clogs, and water gets pushed back into the sand feed tube. The only
> thing to do is to wash it out and wait for it to dry completely. Then
> do the same again. And again. Then put it on ebay.

Sorry Austin, I have to agree with the Borg here.

Steve
 
"Roger & Lorraine Martin" <[email protected]> wrote in message
news:[email protected]...
> I lashed out on an attachment for my high pressure water washer
> which uses a venturi to suck dry sand up into the water and blast
> it. Its a lot safer than dry blast medium which really needs some
> serious respiratory protection for you, family and neighbours. Sand
> is absolutely out of the question because of the risk of silicosis, I'm
> not sure that you can buy canister type filters for silica - usually
> you have to have an external clean air supply if blasting sand.
>
> Most of the Karcher type washers now sell the attachments.
>
> The other advantage of wet blasting is that its easy to clean up, you
> dont get dust everywhere and its nowhere near as noisy either.
>
> I tried the air grit blasters - pressure is not an issue with most
> compressors - volume is the main issue. Grit blasters use LARGE
> amounts of air and the average home compressor is not upto the
> task.
>
>

Thanks everyone for your comments. I'll give it a miss re the air blasting
but I have to say I'm interested in the karcha type jet wash attachment.. if
only for the oil stains.

I've now done 3 wheels (yesterday) with nitromors and repainted them. Two
left to do. I have avoided the valve areas as much as humanly possible.

Compressor I have would have been fine, it's all the other kit and kaboodle
that has put me off. For my needs the total costs once you add in the gear
and the medium would outweigh the benifit of owning my own stuff for as
often as I wouls use it. I'm glad I asked as it's saved me a few quid :0)

Lee D


 

"Steve Taylor" <[email protected]> wrote in message
news:[email protected]...
> Autolycus wrote:
>
> > Have you tried using it yet? My experience with one was that it was
> > hopeless. With the amount of water spraying around, you almost
> > inevitably get some in the "dry" sand you're trying to blast with.
> > Result: clog. Or you get a single oversize particle of sand, the nozzle
> > clogs, and water gets pushed back into the sand feed tube. The only
> > thing to do is to wash it out and wait for it to dry completely. Then
> > do the same again. And again. Then put it on ebay.
>
> Sorry Austin, I have to agree with the Borg here.
>
> Steve

I must be doing something right - never had any of the above problems.
I put a plastic lid on the sand bucket - 40litre container - to keep it
dry. The instructions for the lance advise on keeping it pointed down
when not spraying to drain water from the nozzle. Also to use a tie
wrap to hold the suction pipe parallel to the lance. The instructions
refer to the problems you had - but say to close the sand valve before
releasing the trigger on the lance making sure there is no sand in the
tube.

I setup a small area for sand blasting - using a piece of aluminium
mesh that came off a security door, put this on a few bricks to
get it off the ground so that the sand "drains" away. Not that messy,
but I wear a plastic apron and face shield - which beats wearing
a tyvec suit, hood and having an external clean air supply coming
from somewhere with a compressor type blaster.


 
In article <[email protected]>, Roger &
Lorraine Martin <[email protected]> writes
>I lashed out on an attachment for my high pressure water washer
>which uses a venturi to suck dry sand up into the water and blast
>it. Its a lot safer than dry blast medium which really needs some
>serious respiratory protection for you, family and neighbours. Sand
>is absolutely out of the question because of the risk of silicosis, I'm
>not sure that you can buy canister type filters for silica - usually
>you have to have an external clean air supply if blasting sand.

Shock, horror! something useful and cheap in B+Q! I discovered they were
selling a 'universal' sand blasting attachment for pressure washers for
about 18 quid, IIRC. Same idea as above, but has adaptors for all the
standard systems, including my Kaarcher.

I bought it, and the guys recommended washed, dried paving sand to use
with it - fine grain, regular size, and dry+clean, and about 2.50/bag.

I haven't got to the bit of the house that needs masonry paint splashes
removing yet - wot I got it for. I don't know either if the system
(venturi for dry sand ???!!?) works reliably, and it looks like the the
tube is prone to flattening (but could easily be replaced). All in all,
I thought it worth a punt.

Will report back on success/failure, but I'm trying it on Marge's bottom
LAST, after I've played with it a bit first. Don't want to be painting
over blasted-in sand...

Regards,

Simonm.

--
simonm|at|muircom|dot|demon|.|c|oh|dot|u|kay
SIMON MUIR, UK INDEPENDENCE PARTY, BRISTOL www.ukip.org
EUROPEANS AGAINST THE EU www.members.aol.com/eurofaq
GT250A'76 R80/RT'86 110CSW TD'88 www.kc3ltd.co.uk/profile/eurofollie/
 
In article <[email protected]>, Austin Shackles
<[email protected]> writes
>On or around Tue, 21 Jun 2005 07:58:16 GMT, "Roger & Lorraine Martin"
><[email protected]> enlightened us thusly:
>
>>>
>>I lashed out on an attachment for my high pressure water washer
>>which uses a venturi to suck dry sand up into the water and blast
>>it.
>
>I assume it uses a different lance, can't see sand doing the water nozzle
>much good.

Yes: see other post. I've just looked on the B+Q site, and can't find
it, but it was a universal B+Q accessory, not a Kaarcher one. I bought
it around March this year, but haven't yet used it.


Regards,

Simonm.

--
simonm|at|muircom|dot|demon|.|c|oh|dot|u|kay
SIMON MUIR, UK INDEPENDENCE PARTY, BRISTOL www.ukip.org
EUROPEANS AGAINST THE EU www.members.aol.com/eurofaq
GT250A'76 R80/RT'86 110CSW TD'88 www.kc3ltd.co.uk/profile/eurofollie/
 
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