This is where the concept of use-factor comes into play, the amount of time a pneumatic tool or equipment is actually used versus the time that it is not. Most of the compressed air tools and equipment in a shop are not in use all of the time, all day long. Just because a pneumatic tool specifies that it uses, for example, 40 SCFM of compressed air, it doesn’t necessarily mean that it uses 40 SCFM all of the time. If these numbers aren’t listed on the tools and equipment themselves, they can typically be found in the manufacturer’s product manual or on their website. In order to correctly calculate the actual air requirements, or the ‘rate of flow’ for anticipated compressed air end-uses, it’s necessary to identify every pneumatic tool and equipment in your auto repair or auto body shop, and add up their SCFM requirements.Īll of your compressed air tools and equipment should specify their compressed air consumption under load in SCFM. Every pneumatic tool and piece of equipment has an SCFM requirement & every air compressor has a maximum SCFM output. SCFM is a standardized measure of the volumetric flow of compressed air. What you need to know is compressed air delivery is measured in SCFM, or standard cubic feet per minute. What we’re trying to achieve at this point is a good estimate, allowing for some fluctuations in demand, up and down. What volume of compressed air delivery is needed to keep everyone working smoothly, without interruption? This isn’t an exact science, since activity in a shop is always changing. The first essential question to ask is how much compressed air is needed to service the demands of your auto repair or auto body shop? So let’s start with how to properly size an auto shop air compressor. To ensure you design your compressed air system appropriately, please get in touch with our compressed air advisors. Please use this information as a general guide. Note: This post serves as an introduction to and overview of how to choose an appropriate air compressor for your application. What kind of electrical power do you have available on site?.Let’s look at the 3 critical questions you need to ask in order to properly size an air compressor: We will highlight the most common mistakes that are made in sizing & selecting an air compressor and provide a few useful ‘rules-of-thumb’ that will help guide you in making the right choice. Let’s look at our agenda, in part 1 we are going to cover 3 basic, but essential questions you need to ask in order to help properly size an air compressor, and then in part 2 we’ll cover 3 additional questions you need to ask in order to properly select an appropriate type of air compressor for your particular application, whether it be a piston or rotary screw air compressor. Piston air compressors, otherwise known as reciprocating air compressors are also still the most common type in the automotive service industry, although this is quickly changing due to the increased benefits and reduced costs of rotary screw air compressor technology. Vehicle service, repair and auto body shops typically rely on 5 to 30 HP air compressors with 80 to 240 gallon air receivers that power an automotive shop’s pneumatic tools and equipment. Today, we will focus on the automotive service industry, specifically auto repair and auto body shops and facilities, and provide you with some simple, useful advice and tools to help you make the right decision in sizing and selecting a suitable air compressor for your particular needs. And the size and type of air compressor used will depend on the particular needs of the application, but the questions to ask to arrive at the right choice of air compressor are generally the same. Choosing an air compressor can certainly be a challenge, especially if you don’t have all the necessary information, or are unfamiliar with the questions that you even need to ask. Air compressors are used in a wide range of applications, and power a wide range of tools and equipment.
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