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T O P I C    R E V I E W
Hawx Posted - 11/24/2010 : 05:48:55 AM
It seems that quite a few on this board are using small blaster guns/air erasers for cleaning models etc.

I have aquired one myself, but I am not happy with "shooting in a bucket", and the not so great outdoors is no option in the winter.

So, I am going to build myself a small blasting cabinet. For the cabinet itself I plan to use a plastic storage box with a transparant snap-on lid.
Industrial-grade rubber gloves will be fitted to holes in the front of the box.

But a dustproof box will be a pressure chamber if there is no ventilation in the box.

So what I really need is suggestions for a dust-proof vent. Anyone?

Regards, Hauk
9   L A T E S T    R E P L I E S    (Newest First)
Sean_OBrien Posted - 06/17/2012 : 12:01:44 PM
My small one uses a vent on the top/back which goes out through a shop vac system. My big one, uses a cyclonic vent which is connected to the media reclamation system.

If I had to build one from scratch for my air eraser, I would probably use the small one in principal and simply catch the dust in a pleated filter. Off the shelf components should be available from the local hardware store - some PVC fittings and probably look at the replacement vacuum filters (with the recent popularity of bagless vacuums...there are a lot of donor parts available for the filter).

Using an actual shop vac to suck it up would simplify things if you have the space to stick that nearby. Just remember to put a screen or something over the opening. You don't want to accidentally have something you are working on sucked into the vacuum.
desertdrover Posted - 06/17/2012 : 10:05:50 AM
Hi Hawx, there was an article in the February 2012 Railroad Model Craftsman where Jack Burgess built a sandblasting booth. You can get some good information within this article.
Hawx Posted - 06/16/2012 : 10:36:13 AM
I built me a simple sandblasting cabinet that works just fine.

It is a transparent plastic storage container with a lid bought at IKEA.

I cut holes for the hands in the bottom, and glued two short lengths of 6" plastic pipes to have something to attatch rubber gloves to.

As I have attatched a vacuumcleaner to the cabinet, I realised that a filter is not neccesary. The air goes into the box through some holes in the top, and all air (and dust!) goes straight into the vacuumcleaner. No mess.

In fact, I do not even use gloves attached to the box. I just put on some heavy-duty rubber-gloves and put my hands through the holes.

Since the amounts of blaster medium is not that great, and the jobs are rather small, this works ok.

The blastergun I have is a bit less aggressive than I had imagined, but I still find it a very useful tool. Excellent for preparing brass before painting and blackening.

But beware, it is easy to distort thin, unsupported brass.



Regards, Hauk
George D Posted - 11/25/2010 : 9:03:02 PM
$25 is affordable, if it works. I’m anxious to hear what you think of it, Andy.

George
hunter48820 Posted - 11/25/2010 : 7:55:18 PM
quote:
Originally posted by rrkreitler

Depending on how large the parts are you want to blast and how frequently you use it, you might be interested in a solution like this:

http://www.etchworld.com/index.php?app=ccp0&ns=prodshow&ref=70-9007

A lot less bulky to store when not in use than a booth...




After a recommendation here on the group, I bought one. I bought it for erasing lettering on freighcars, etc. I bought baking soda to try with it but not sure if it's going to work. Looking forward to using it to see how it does!! Will have to report once I do.
rrkreitler Posted - 11/24/2010 : 5:12:53 PM
Depending on how large the parts are you want to blast and how frequently you use it, you might be interested in a solution like this:

http://www.etchworld.com/index.php?app=ccp0&ns=prodshow&ref=70-9007

A lot less bulky to store when not in use than a booth...
Tommatthews Posted - 11/24/2010 : 10:19:58 AM
I searched "sand blasting cabinet" on Ebay and found a big selection from $100.00 to over $800.00. The $100, one might meet your needs.
k9wrangler Posted - 11/24/2010 : 09:58:12 AM
I have a full sized cabinet for glass bead blasting that has a vacuum system to evacuate air and 'stuff' Fitting a shop vac to your box might do the trick.
Rusty Stumps Posted - 11/24/2010 : 09:40:25 AM
Hauk, Post some pictures when you start building your blasting box. Might want to rename it sand blasting box as I first thought you were building a dynamite storage shed!

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