The working of scroll air compressors occurs in relatively three phases. When the moving scroll is rotated around the stationary scroll, the gas pockets are formed, and thus the air gets trapped in these pockets, which then further passes to the below discussed three phases.
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Suction phase:
In this first shaft revolutionary phase, the motion scroll moves around the orbit of the fixed spiral; as in result, it creates the gas pockets. And when the gas pocket is formed, the suction port endows the outside air to get in a trap with these air spaces or gas pockets. When the first rotatory revolution is completed, the adjacent surfaces meet at the ends so that the air can’t move outside.
Compression Phase:
This is the second shaft revolutionary phase; in this phase, the rotatory scroll again starts moving around the fixed scroll. As the air is sealed in the gas pockets, further motion causes the air to move to the inner gas pockets and in turn, the volume of the air is reduced and the air gets compressed. When this second phase completes, the maximum gas is compressed in the gas pockets.
Discharge phase:
This is the third shaft revolutionary phase; in this phase, the compressed gas which is present at the most inner pockets moves toward the discharge port with the help of further motion of scrolls. The compressed air then discharges out through the port which results in making the volume in gas pockets condensed to zero.
Once this procedure cycle completes, the three phases, namely suction phase, compression phase, discharge phase, again transpire instantaneously at comparative sequence.
How to Choose the Right Compressor
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It can be a challenge when shopping for air compressors to get one that is going to meet your needs. First, you will need to determine if you need portable or stationary, then your available power source...do you need a gas drive or electric? What is your available voltage...Single Phase 115 or 230 Volt or Three Phase 208-230 or 460V.
Once we have answered those questions, we want to take a look at how much air you need by looking at your pressure requirements (PSI) and required volume (CFM). Single stage air compressors typically have a max pressure around 125-135 psi and two stage around 175 psi.
To get a feel for how much air (CFM) you will need, you can figure roughly 4-5 CFM per person in an automotive shop and 12-15 per person in a body shop. Once you determine the CFM you need, take that figure times 1.25 and use that total CFM to choose your compressor. For example: 3 mechanics (12-15 CFM total x 1.25 = 15 to 19 CFM) So you would look at a 5 - 7.5HP air compressor. That allows for a 75% duty cycle and should help you get a compressor large enough for your needs.
Of course, the CFM requirements for different tools varies, so here is a chart that gives some estimates on some common air tools that may also help you determine which compressor is best. Please do not hesitate to call or text 803-339-0445 or e-mail Sales@CompressorPros.com if you would like some help.
Contact us to discuss your requirements of Laser Air Compressor. Our experienced sales team can help you identify the options that best suit your needs.