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i always have a vat of vinegar around, if i don't need a part done right now ill throw it in, just soaked my seat frames, 2 days in the stew and then hose the paint and rust off. touch up in the sand blast booth and saved alot of time blasting. if i want to restore a part or fastener and maintain the factory finish, ill use vinegar
Many ways to remove or treat rust, I like phosphoric acid and got some other stuff that I wanna try in the future. I use Muriatic acid for stripping coatings like zinc.
A couple of years ago, I made somewhat of a hobby out of experimenting with all sorts of rust removal methods. In the end, I found Evaporust to be my favorite.
Using acid is the old time way to do it. There are now solutions which do not risk eating away good metal. Check out Metal Rescue. I have used it in motorcycle tanks, and it blew me away. Its clear and not much of a smell and you don't need gloves.
Media Blaster with 175 psi inside a 48" cabinet and HEPA vacuum. I switch between Bicarb and Rust cutter and anything in between as needed. It takes off everything then immediately spray it with a paint of some sort to keep it from Flash Rusting.
My favorite is taking items and cleaning, blasting them and then Powder Coating the part when done. I have even done valve covers that came out very well.
Media Blaster with 175 psi inside a 48" cabinet and HEPA vacuum. I switch between Bicarb and Rust cutter and anything in between as needed. It takes off everything then immediately spray it with a paint of some sort to keep it from Flash Rusting.
My favorite is taking items and cleaning, blasting them and then Powder Coating the part when done. I have even done valve covers that came out very well.
I agree totally! my beed blaster actually turns to a dust blaster.
Powder coat, Yes.
Dont get me wrong here I have nothing against liquid removers if they work they work ,I have used them ..hell I think everyone used them but you really should consider a blast cabinet used or new .. you can always sell it when your done with it
I have a blast cabinet. A big one. Its never worked well. I use Aluminum oxide as the media. Instead of a continuous stream of media, it spurts.
I have tried adjusting the mixing chamber below the cabinet, different nozzle bore diameters, different pressures. Its a pain.
When it works, it works.
Hey,
I hear you. It's a hard job to get it right. Found that the pick up line has to be lower than the blast handle. and when clogged I hold my finger over the nozel and blow back. Moisture and bits are one of my problems. I have 3 blasters, one silica, glass beed, and carbide. Walnut shells did not work at all.
Good luck, I have used all grades of beed and they actually eat up my nozels after about 2 hours.
I have the Eastwood which I needed to put a vibrator on to get the beed down. It always needs work. Got a harbor freight one that worked great for a few hours and I bought another hand held with new nozzels. It may have a problem with picking up the silicone sand because the pick up hose under the sand is high.
I feel I tried all the tricks, read what I could on the internet , watched youtube videos, what little there were, and still, I never got it to work well. The last thing is the mixing chamber. I could effectively "port" it to make the flow through it smoother. There is a guy who makes an improved chamber supposedly to resolve such issues
I feel I tried all the tricks, read what I could on the internet , watched youtube videos, what little there were, and still, I never got it to work well. The last thing is the mixing chamber. I could effectively "port" it to make the flow through it smoother. There is a guy who makes an improved chamber supposedly to resolve such issues
Well, I have to machine new nozzels for mine. our right, find out and let me know! I fight with mine always. When I was a kid one of my jobs was blasting all day. Had a filter system outside I had to clean. BUT, dammit it worked flawlessly. hat was in the 60's! What's wrong today?
YES,
I took a small motor and attached a shaft to it with a weight that made it wobble. works, but the V is not enough to get the beed back and I have to stop and hand feed it back.
My silicone sand blaster was great for about 3 hours. Handle and tip is new, but I think the pick up is wrong.
I have used PREP&ETCH after checking out the msds specs....I was looking for something I could use on painted surfaces like old vending machines. Works pretty well.....
I think the only sticker is the one on the coin door.....But the lettering is very thin paint. I don't remember what's in it or what I was really looking for, it's been a few years.
I bought my Media Blasting Cabinet from TP TOOLS in Ohio. My Cabinet is big enough to do a 17" rims inside and it came with the HEPA filter built into the vacuum. They sold me a 48" wide 36" deep by ~36" tall inside dimensions cabinet that I use with a 2 stage 175 psi compressor. TP Tools offers some nice tips if you are having issues with wearing them out too fast. They offer them in carbide or something hard. They last five times what the normal ceramic tips do. With 175 psi I can really cut through the buildup on parts I need cleaned. I bought my media blaster from TP at a Carlisle Event and they delivered it to the show where I put it in the back of my Pickup and brought the parts home. Saved a Bunch of money that way.
Keeping the media DRY in a High Humidity area is critical. I use a large moisture absorber bag inside the cabinet and seal it at all time when I am not actively using it. I use the standard oxides for rust removal and finer materials for finer work. When I have to I also have a Soda Blaster just in case. I store it in ZIP lock bags to keep it dry-er....
