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MMLJ Vs Geoblast

 
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Old 12-02-2012, 10:04 AM   #21
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Re: MMLJ Vs Geoblast


Quote:
Originally Posted by ausisoda View Post
Soda blast systems is the ones I own.

They are all based on the same design.
They are branded as multi media pots but they really only shoot soda and fine garnet.
Anything else they struggle
I wonder what the actual differences are. The Dustless Blasters all state that they are clog free.
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Old 12-02-2012, 11:42 AM   #22
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Re: MMLJ Vs Geoblast


I had a chance to look over the mmlj dustless systems at a trade show recently and spoke with the reps. The biggest physical difference between these and the true slurry blasters like farrow, geo, etc. is that mmlj pots are pressurized with air and the slurry pots are pressurized with water. Without getting into the design details I'll just say that the control an operator has over the blast characteristics on a slurry pot be it water/media ratio, range of useable blast pressures that can be achieved and consistency of the action at the nozzle over the course of a job is hard to beat. I'd want to demo a dustless machine through an entire pot fill to see how well it maintains an operators initial settings and to determine actual media and water consumption compared to what I'm used to. When customers want to know how my farrow works I tell them ". . . its a little bit of media, a little bit of water and gobs of air at low pressure". The dustless system looks to me like lots of media, lots of water and high pressure . . . why not just use a win nozzle?
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Old 12-02-2012, 12:33 PM   #23
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Re: MMLJ Vs Geoblast


From watching the dustless blaster vids on their site, it sounds like they use about 20 gallons of water and 200 lbs of media per per hour. I don't know if it is less when running at lower PSI. I will be talking with them tomorrow to get answers to my many questions and see if I can get a demo.

I guess I'm wrong. Found a voicemail testimonial on their site and guy said he blasted a car in 2 hours / 4 bags. You can adjust the media flow, so I guess it's whatever works. I will find out specifics tomorrow.

Last edited by diablo; 12-02-2012 at 01:58 PM.
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Old 12-03-2012, 03:19 PM   #24
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Re: MMLJ Vs Geoblast


So I spoke with MMLJ about their dustless blasting machines.

They said...

You will use right around 4 bags of media per hour. As far as water it's 5 gallons per bag.

Their machines have absolutely no clogging issues / the flow is the same from start to stop.

A dry pot and wins nozzle is not the same and will blast less surface area in the same amount of time. Said wins nozzle is just used to keep dust down.

When blasting at 150 PSI you should be able to do around 3 sq ft per minute. Said fiberglass is usually done around 60 psi and won't get that.

They demo it in Texas and Kansas. So I won't be getting a demo.

Said no one has ever returned a machine and everyone has been completely satisfied with them. However, they a have a 20% restock fee if you do.

Think I'm just going to buy one.
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Old 12-03-2012, 03:57 PM   #25
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Re: MMLJ Vs Geoblast


Watch the demo video on the website carefully.
In some circumstances they are blasting with a win nozzle.
As for blasting with150psi are you going to buy a high pressure compressor it doesn't work by simply winding up the pressure.
The little tube that siphons the abrasive is to small to flow enough air through larger nozzles.
If I was buying new I would advise against MMJ.

Listen to masterblaster he has been wet blasting for years
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Old 12-03-2012, 04:18 PM   #26
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Re: MMLJ Vs Geoblast


Also 4 bags per hour is high for a no5 nozzle.
Don't listen to the sales guy MMJ doesn't even to business here in Australia any more.
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Old 12-03-2012, 05:36 PM   #27
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Re: MMLJ Vs Geoblast


Quote:
Originally Posted by ausisoda View Post
Watch the demo video on the website carefully.
In some circumstances they are blasting with a win nozzle.
As for blasting with150psi are you going to buy a high pressure compressor it doesn't work by simply winding up the pressure.
The little tube that siphons the abrasive is to small to flow enough air through larger nozzles.
If I was buying new I would advise against MMJ.

Listen to masterblaster he has been wet blasting for years
I follow, but a Geoblaster is $25K. I have no desire to drop that when I'm just starting out.

Do you have the url of the video that they are using a win nozzle. I have watched all their vids and didn't see any using a win nozzle. Makes absolutely no sense that they would. The water is injected at the nozzle of a win nozzle, why would there be any reason to use when the pot holds the media and water already.

I would be using a 210 CFM @ 150 PSI compressor.

I would think that unless you are doing steel that you won't be running 150 PSI.
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Old 12-03-2012, 05:42 PM   #28
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Re: MMLJ Vs Geoblast


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If I was buying new I would advise against MMJ.
Why?
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Old 12-03-2012, 05:59 PM   #29
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Re: MMLJ Vs Geoblast


Check this out.

[YOUTUBE]http://www.youtube.com/watch?feature...&v=8ThhjJlOsvU[/YOUTUBE]

Look at when they are blasting aluminum that is a big fat win nozzle right there.
If I was buying new I would go with the Geoblaster.
It is adjustable, media and holdtight 102 are expensive and I can see the geoblaster having a lower running cost.
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Old 12-03-2012, 06:02 PM   #30
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Re: MMLJ Vs Geoblast


And another one.
That thing on the end of the blasting hose with the blue hose coming off it is a WIN nozzle

[YOUTUBE]http://www.youtube.com/watch?feature...v=dWnAEBufvLk#![/YOUTUBE]
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Old 12-03-2012, 06:37 PM   #31
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Re: MMLJ Vs Geoblast


Quote:
Originally Posted by ausisoda View Post
And another one.
That thing on the end of the blasting hose with the blue hose coming off it is a WIN nozzle

[YOUTUBE]http://www.youtube.com/watch?feature...v=dWnAEBufvLk#![/YOUTUBE]
Yup, that is a Win Nozzle. I wonder why that is on it. Makes no sense.
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Old 12-03-2012, 06:44 PM   #32
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Re: MMLJ Vs Geoblast


On all the videos where they are getting good production rates there is a WIN on the end of the blast hose.
My suspicion is that they are using a dry blast pot with simply a WIN nozzle.
If you look at the video where the guy is blasting the gas pipework he is going a lot slower with no WIN nozzle.
I suspect the videos are a cunning marketing tool.
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Old 12-03-2012, 06:52 PM   #33
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Re: MMLJ Vs Geoblast


I have seen a farrow system in action before down at a marina and that seemed like a good machine also.
Maybe buy second hand.
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Old 12-03-2012, 07:01 PM   #34
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Re: MMLJ Vs Geoblast


Ausi Is right, those two links the guy is using a WIN nozzle. Looks like mine. Ha ha
Why are they telling you their system is a dust less when they have to use a win?

My Marco dry pot can be dustless to when I use my win. Lol
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Old 12-03-2012, 07:06 PM   #35
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Re: MMLJ Vs Geoblast


Just as a note, don't try to blast a boat bottom with a win, it's a mess. Even when you think you got the water on just a bit, it's some heavy when you foot pick it up.
Lol
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Old 12-03-2012, 07:09 PM   #36
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Re: MMLJ Vs Geoblast


Quote:
Originally Posted by Dyer View Post
Ausi Is right, those two links the guy is using a WIN nozzle. Looks like mine. Ha ha
Why are they telling you their system is a dust less when they have to use a win?

My Marco dry pot can be dustless to when I use my win. Lol
If you look at the other vids, they don't have a win nozzel.

I'm going to call and ask them about it.

Last edited by diablo; 12-03-2012 at 07:19 PM.
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Old 12-03-2012, 07:15 PM   #37
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Re: MMLJ Vs Geoblast


Both links with vids have the WIN nozzle.
Only the tug boat and the gas pipework videos are the ones without the WIN nozzle.
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Old 12-03-2012, 07:25 PM   #38
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Re: MMLJ Vs Geoblast


I might also add that the video where they are blasting the so called heavy marine corrosion doesn't look right either.
Look at the outer diameter of the blast hose that hose would have a ID of 1'1/2.
Look at the size of that nozzle coupling as well.
Not many machines the average contractor uses will support that heavy of a blast hose.
Now look at the so called heavy epoxy removal video look at the blast hose size on that system it is a lot smaller and that is the large DB500.
Things don't seem right in those videos.
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Old 12-03-2012, 07:26 PM   #39
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Re: MMLJ Vs Geoblast


Man I'm board can't wait for my ankle to get better and get back to work.
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Old 12-03-2012, 07:34 PM   #40
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Re: MMLJ Vs Geoblast


Quote:
Originally Posted by ausisoda View Post
Both links with vids have the WIN nozzle.
Only the tug boat and the gas pipework videos are the ones without the WIN nozzle.
Did you watch all their vids, they have like 30. Only the 2 you mentioned did I see the win nozzle. Honestly I'm not even concerned, as there is probably an explanation. Now if all had them, then I would wonder what's up. I will call tomorrow and find out why.

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