Sandblaster details

[CraigM]

Cyril, that helps a lot. If I understand your description, there is full blasting pressure in the tank pushing sand down to the bottom "T". The actual mixing of sand and air takes place at that "T" and the mixture goes through the heavy hose at full blasting velocity and out the nozzle. Is that right?

 

[dcyrilc]

Cyril, that helps a lot. If I understand your description, there is full blasting pressure in the tank pushing sand down to the bottom "T". The actual mixing of sand and air takes place at that "T" and the mixture goes through the heavy hose at full blasting velocity and out the nozzle. Is that right?

Correct. I'll try to remember to get you some pix, but I'm going from 4am until about 6-7pm right now and can't promise to remember to do it while I'm at our farm feeding. We'll see what happens.

 

[dcyrilc]

Memory seams to have been a little foggy on the details, but the basic idea was there.

Here are the pix.

 

[CraigM]

Thanks Cyril. You got all the important details right.

 

[dcyrilc]

Thanks Cyril. You got all the important details right.

Hope that helps. Have fun with your build and let us know how it turns out.

BTW, one of the things I have noticed with mine is how fast pressure drops off because of the CFMs required to keep up with the blasting. If you run an air nozzle full open at 60-80 PSI off your compressor and watch how your tank pressure responds, you will have an decent idea of how the compressor will work with this type of blast tank. They use an awful lot of air.

 

[beenthere]

I have that HF sand blaster as dcyrilc, ready to blast. Have never used it. Free to anyone who wants it, and will/can pick it up or pay the shipping. PM or IM me for more details.
I decided I would not use it until I got a better helmet than the elcheapo that came with it. Or that I might build a cabinet to work in. Neither has happened, so the new unit just sits.

 

[George2615]

Just got an ad from Harbor Freight. They have a couple sandblasters on sale until the end of the month. The one pictured in my ad is a 40 lb capacity floor model on sale for $219.99 plus the cost of your choice of grit. I may get one myself. It comes with gun w/ ceramic nozzle, gloves, and hose. It hooks directly to the air compressor which blows air through the gun. Grit is picked up from the hopper through a siphon tube. they also have the smaller 30 lb. tabletop unit for $119.99 and a 20 lb. pressurized canister type for $56.99

 

[J_J]

I have a collection of sand blasters from industrial antique to handheld blasters. Dry sand , walnut shells, different media for aluminum, etc. Good air drier. Protective clothing. Back yard sand blasting is a mess. I also have the pressure washer kit that uses water to suck up and blast things with about 3000 psi. It is a messy job. The sand source should always be over your shoulder, or water will get in the sand, and stop it up. I believe they all have a ceramic nozzle. The old large cabinet, even has a motorized table inside to turn objects as you blast.

On the red tank, the sand will eat up the shut off nozzle They are brass.

 

[forgeblast]

Not to hijack the thread but since there is a lot of discussion about sandblasting i thought that some people would be able to answer this.
I need to sandblast some masonary paint off of a cinderblock wall that has a scratch coat of portland on it, so that i can attach fieldstone to it. (so its cinder portland paint)
1. would a soda blaster work, clean up would be a lot easier then sand.
2. when do you want to use say sand, over walnut, over soda, over glass beads.
3. pressurized vs gravity, is one better then the other'
4. any suggestions?
thanks again