Homemade sandblaster

   / Homemade sandblaster #1  

adamlj

New member
Joined
Jun 21, 2021
Messages
4
Tractor
Kubota B2601
I've been thinking about building one of these for a while and finally made the time. You're not going to make a living with this little pot, but for small jobs it does a good job. I'm refurbing a 5' brush hog and debating on blasting and painting that. I'll probably regret it half way through, but a little regret hasn't killed me yet. Photo of the final product and my #1 helper.
 

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   / Homemade sandblaster #4  
There is a sand plant near here and I can buy graded for 20 a ton. I put pallet boxes on the truck.
 
   / Homemade sandblaster #5  
Looks like we have them plumbed the same way. I extend the wand and used 1/8 xxh pipe nipples for nozzles. Got a bunch of 6 and chopped them in half. I need to get some more, I forget.
 
   / Homemade sandblaster #6  
I once DIY'd a sand blast system.
Worked quite well for minor tasks.
To prevent my glass viewing window from getting blast fogged I added black nylon window screening about 1/2 inch from the glass. The sand beads simply bounced off of the screen leaving a clear view.
Another trick was to use duck (duct) tape on things you did not want blasted like perhaps shaft ends that fitted a bearing.
 
   / Homemade sandblaster #7  
There is a sand plant near here and I can buy graded for 20 a ton. I put pallet boxes on the truck.
You may want to pay more attention to your sand, all sand is not the same. In fact few natural sands are the same. Some are soft and not very abrasive, others are quite hard and very abrasive. Man made materials such as aluminum oxide and silicone carbide will work so much better that most random natural sands.
 
   / Homemade sandblaster #8  
Yes, I am aware. I didnt write the details, I used the term "graded" to include this. Fine for pitted rust and sharp hard for removing coatings is kind of general but somewhat to the point. Its sized by grit for sure and the hard is called superblast.
I have been using the sharpest grade below that as I really dont want to switch around.
 
   / Homemade sandblaster #9  
I am too cheap to buy the the stuff. Just go to an adjacent pit around here, pick up a bucket load of sand, then screen it with a fan to blow away the dust. A couple of hundred pounds of medium ready to go takes about an hour and works well for preparing surfaces for painting. Total cost $0.
 
   / Homemade sandblaster #10  
It's better to used crushed glass vs. sand. Sand has free silica, very bad for lungs.
 

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