[Shop-talk] Blast cabinet, media

Brian Kemp bk13 at earthlink.net
Sun Dec 27 10:16:01 MST 2020


For those on the list that think it sure would be nice to have a blast 
cabinet of any sort, but don't have space for even a small one, you can 
do what I did when I lived in an apartment and make one out of a box and 
a sheet of plexiglass.  I used a box about 18x18x24 and taped three of 
the flaps up, leaving a long one down for my arms.  I taped a piece of 
24x30 plexiglass to the top.

Bought a cheap sand blaster hoper/gun setup from Sears.  Here is an option:
https://www.harborfreight.com/portable-abrasive-blaster-kit-37025.html

Used it out in the driveway with gloves and a respirator - too much dust 
for in the garage.  Given the ultra fine silica dust, a respirator is 
important - you need more than a dust mask.  Sifted the used play sand 
with a mesh baseball cap to reuse.

Worked great for my TR6 suspension bits and folded up under an inch 
thick.  Didn't have a compressor, so ran it off partially empty scuba 
tanks fed through a portable air tank.

Hopefully this some of the space or finance limited list members that 
there are resourceful ways to do things like sandblasting.

Brian

> On Sat, Dec 26, 2020 at 2:06 PM Darrell Walker <darrellw360 at mac.com 
> <mailto:darrellw360 at mac.com>> wrote:
>
>
>     I’m thinking of using some Christmas money on a bench top blast
>     cabinet.  I realize the small size will limit what I can blast,
>     but that is about all the space I’m willing to allocate, and it
>     should handle most of what I would be looking at blasting.
>
>     So a some questions for the list:
>
>     1.  For those of you with blast cabinets, do you find yourself
>     using it more than you expected?  My first project would be
>     cleaning up some suspension parts (mostly paint removal).  I think
>     enough projects come along that it would be worth having one, but
>     I would love to be surprised to find additional uses.
>
>     2.  What is a good all purpose, reusable media to use?  I would
>     mostly be removing paint, and some surface rust.
>
>     3.  The first parts I would be cleaning have some machined
>     surfaces (threaded holes, tapers, etc).  How careful do you need
>     to be to protect those areas?  And what if the best way to do
>     that?  One of the parts will be a strut tube, which includes the
>     stub axle.  I’m thinking that wrapping that area in duct tape
>     might be a good idea.
>
>     Thanks!
>     -Darrell
>
>     -- 
>     Darrell Walker
>     66 TR4A IRS-SC CTC67956L
>     81 TR8 SATPZ458XBA406206
>     Vancouver, WA, USA
>
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