This paper analyses the work of oil-free scroll compressor with computer modelling and measuring his common characteristics. First, we drew Archimed spiral using equations from mathematical theory. Then we made a 3D model which is the basis for further simulations. For measuring compressor performance we'd set up a test rig which served us for measuring characteristics while filling a pressure vessel. This paper discusses that more research is needed to make a quality spiral. It includes uneven spiral thickness and modification for spiral tip. The research also discusses that the spiral compressor is the most efficient at 2500 min-1 with average efficiency of 34,1%. Working point with the highest efficiency was recorded at 2900 min-1 and 5,5 bar.
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