Do I Need An Oiled or Oil-Less Air Compressor? [ Find Our Expert's Recommendation]

Oil or Oilless Air Compressors
Are you confused between Oil or Oil-less Air Compressors. Many don't know the differences between An Oiled or Oil-less Air Compressor. Before clarifying, I want to discuss how a compressor works.

All compressors include three basic key mechanisms: an air storage tank, pump, and an induction motor. Both oil-filled and oil-free compressors share the same mechanism. Both of them have the same three basic components.

You may be thinking then where is the distinction. OK, do you remember the second components of air compressor? It is the pump that can be either oil-free or oil-less.

Let's now talk about the pump and how does it work in the group work of three main components. The function of the pump is to suck air and then send it to the air tank. The motor allows the piston to move up and down inside a very air tight cylinder.

Read: 3 Best Laser Distance Measure , 5 Top Trim Compressors

When the piston moves down it draws air and when moves up it delivers air into the pump. The extremely high-speed movement between cylinder and piston creates friction. This friction generates enormous heat and causes rapid destruction of piston and cylinder.

To avoid these issues, the cylinder is filled with oil. Now piston can move easily inside the cylinder and no chance of overheating. A compressor having oil-lubricated pump is called oil-filled air compressor.

Oilless Air Compressor- How It Works?


Oil or Oilless Air CompressorsSome compressors are engineered with a special type of pump that doesn't require oil. These pumps are made out of some different types of metal that doesn't generate heat and last for long time.

Oil-less air compressors are suitable for painters who need a compressor for spray painting. The reason is that, when the compressor is oil-filled, the oil from pump also goes to the tank and naturally get mixed with the color you are spraying. That is why oil-less air compressor is recommended for spray painters by our specialist. 

I hope you have got a clear idea on the differences between them. However California Air Tools CAT-10020 is a very popular oil free compressors that has very good reviews on amazon.com.

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