I know this Subject has been Discussed in length here before, But Anyone here have a preference when it comes to SEARS Home Type Air Compressors, for ocassional Use,Tires,maybe some Tools, Small parts Sand Blasting Etc:Oil Lube/Oil less?? Anyone have Good Service on One particular Model, Sears or other Thanks Larry KF4LKU
- Thread starter Larry D.
- Start date
Anonymous-0
Well-known Member
Depending on your uses they have some nice models. If you want one for sandblasting they dont have any models for that. If you do very small parts you can get by. You need more like 70cfm at 70psi. Spray painting needs 6cfm at 40 lbs thereabouts. Get a chart to see how many cfms for your jobs. A good model will provide 12cfm at 90lbs they take 220v and run around 400.00. You never have one too big.
Hey Larry, I have an older tiny craftsman 2 gallon that I got years ago locked up. Pulled the head knocked it free and oiled it up. I use it almost daily to run nail and trim guns and love it. I keep saying if it dies I will buy another but it won't die. I really like the small size for ease of transport. I call it my briefcase compressor.
I know you're not going to do a lot with it, and mabey don't want to spend a pile of money.... but sandblasting requires a lot of air. I've got a 5 HP DeVilbiss that puts out about 12 cfm I believe and it runs flat out while I'm blasting and I have to stop every couple minutes to let it catch up. If I was going to do more blasting I'd have something more in the 30 CFM range and a two stage.
I think I'd stay away from the Sears stuff and especially anything that isn't oil lubed in the base...
Actually, I shouldn't condemn Sears. Just make sure it's oil lubed or you'll fry it on a sand balster. Those thing would all be about the same quality until you get into heavy two stage sompressors...
Rod
I think I'd stay away from the Sears stuff and especially anything that isn't oil lubed in the base...
Actually, I shouldn't condemn Sears. Just make sure it's oil lubed or you'll fry it on a sand balster. Those thing would all be about the same quality until you get into heavy two stage sompressors...
Rod
buickanddeere
Well-known Member
Look at the current and cfm ratings rather than the so called HP ratings.
Two stage will pump more air on the same power.
Figure the cfm of air required. Then purchase a compressor with twice the capacity. Nobody ever had too many cfm while sand blasting.
Two stage will pump more air on the same power.
Figure the cfm of air required. Then purchase a compressor with twice the capacity. Nobody ever had too many cfm while sand blasting.
Anonymous-0
Well-known Member
Some good info. from the others...........
I'll clarify that's it's not just the CFM rating that's important, it's at what pressure it will be produced at. EX: 18.5 CFM @ 90 psi.
You could have a compressor that is advertised as 30 CFM but that may only be at 30 psi.........that same compressor may then only be able to produce 10.5 CFM @ 90 psi.
Most air tool air consumption is rated at 90 psi......something to consider when making your decision..........
Like the other fellows have mentioned, buy bigger than what you think you'll need if you can afford it.........
I'll clarify that's it's not just the CFM rating that's important, it's at what pressure it will be produced at. EX: 18.5 CFM @ 90 psi.
You could have a compressor that is advertised as 30 CFM but that may only be at 30 psi.........that same compressor may then only be able to produce 10.5 CFM @ 90 psi.
Most air tool air consumption is rated at 90 psi......something to consider when making your decision..........
Like the other fellows have mentioned, buy bigger than what you think you'll need if you can afford it.........
Steven f/AZ
Well-known Member
I'm happy with my Coleman Powermate 26 gallon upright - twin cylinder (aluminum) 110 volt oil lubed. I also like my Kobalt 30 gallon upright - twin cylinder (cast iron) 110 volt oil lubed.
I have used them both for sand blasting - they work fine for small jobs and short durations (5 minutes or so) then you need to let them catch up and cool down a bit. They work great for impacts, air ratchets, airing up tires, etc. I've used an air sander with the Coleman, same deal as sand blasting about 10 minutes then you need to let it catch up a bit.
As far as CFM for sand blasting, I've hooked up a 60 gallon 220 volt compressor, my Coleman, and the Honda gas engine powered all together and they never shut down while I was blasting. I don't know the CFM rating of them, but three compressors hooked together couldn't keep up. Serious blasting requires an industrial two-stage compressor with at least a 100 gallon tank.
And I HATE those oil-less noisemakers! The last one I had didn't even last a full year, and all I did was air up car tires.
I have used them both for sand blasting - they work fine for small jobs and short durations (5 minutes or so) then you need to let them catch up and cool down a bit. They work great for impacts, air ratchets, airing up tires, etc. I've used an air sander with the Coleman, same deal as sand blasting about 10 minutes then you need to let it catch up a bit.
As far as CFM for sand blasting, I've hooked up a 60 gallon 220 volt compressor, my Coleman, and the Honda gas engine powered all together and they never shut down while I was blasting. I don't know the CFM rating of them, but three compressors hooked together couldn't keep up. Serious blasting requires an industrial two-stage compressor with at least a 100 gallon tank.
And I HATE those oil-less noisemakers! The last one I had didn't even last a full year, and all I did was air up car tires.
dave guest
Well-known Member
Piston type preferred over diaphgrahm.
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