But you may be confused by PSI and what it means. First of all, PSI stands for pounds per square inch or pound force per square inch. Most air tools require between 70 and 90 PSI. Any light-to-medium-duty air compressor can easily handle 90 PSI, but you always want the compressor to supply more flow than needed. Too much force, and you can damage the tool. CFM stands for cubic feet per minute. This is the air flow or air volume that a compressor can supply — or its output.
If you have technical questions or would like to discuss your particular application, feel free to reach out to us at or email info intlairtool. Compare Now. Click Here to Read Part 2 Proper Conditioning of Compressed Air If you have technical questions or would like to discuss your particular application, feel free to reach out to us at or email info intlairtool.
Selected For Comparision Compare Now. That is not the case for most people as everyone has an electrical supply nowadays. If you buy an air compressor with a big tank, that will need lots of space.
If you are someone who does not have that much space, you should buy an air compressor that will fit in that space. You will find a 6-gallon pancake compressor that will fit inside any garage, also a gallon unit which will need bigger space. When buying the air compressor, airflow will be the most important factor. The amount it can produce is the most necessary information you need. The horsepower is also something you should consider while buying the air compressor. It is less critical than CFM but essential nonetheless.
There is a recommended CFM requirement given by the manufacturer of every air tool. Take the highest CFM-rated tool and multiply it by 1. To find out about the required CFM of air tools, check the air tool consumption chart below. Take a look below at the air compressor CFM vs. Now the question arises, what is the power source of the air tools?
Air, but where does it come from. Well, it comes from an air compressor. Chisels are especially handy for cutting out dovetail joints and mortises when constructing adjoining walls and shelf panels. In general uses, an air chisel requires 3 to 11 cfm at 90 psi. Whether you need to cut corners off of metal sheets or panels out of metal walls, an air-powered cut-off tool will perform the task in seconds.
In a sense, metal appears like paper against the spinning discs on these tools, which require 4 to 10 cfm at 90 psi. With hard materials, air compressors are especially helpful for drilling, which is widely considered a difficult task among the shaky handed.
Whereas traditional electric-powered drills can only penetrate wood, pneumatic drills have the power to also drill into metal and rock. Whether straight-line or reversible, an air-powered drill requires 3 to 6 cfm at 90 psi.
Before the invention of power tools, few tasks were as exhausting to the palm, wrist and elbow as sanding. While most of the heavy lifting and pressure was concentrated in the sawing, cutting and nailing stages, more actual hand motion was needed just to get each raw-cut surface refined to a nice, smooth finish. Thankfully, the intensive labor involved in sanding has since been liberated by air-powered dual sanders, which sand and buff in seconds flat.
This can all be achieved by simply holding the tool above the surface. Great for metal and woodwork, dual sanders require 11 to 13 cfm at 90 psi. When framing the interior of a house, you can go through dozens of nails within a few short minutes. Most amazingly of all, a framing nailer only requires 2. The moving parts of machinery rely on lubrication, which is the only thing that protects rubbing metal surfaces from friction wear and consequent heat.
In vehicles, for instance, grease guns are used to lubricate door hinges and engine parts. Applying grease manually could be a messy operation, but an air-powered grease gun makes the whole job neat and tidy. A grease gun is also a simple and relatively low-pressure pneumatic tool to operate, as it only requires 4 cfm at 90 psi. People often stare in wonder at furniture, fixtures and artwork comprised of carved and uniquely cut sheet metal. If you see a metal wall-hanging in the form of a silhouetted sun, moon, flower or animal, chances are it was done by hand with an air metal nibbler.
In a similar manner to how X-Acto knives and ion cutters carve shapes out of paper and cardboard, nibblers make cutting metal as easy as cutting paper. Additionally, nibblers are good for trimming inches off metal surfaces and contouring the corners of otherwise sharp metal ends.
When properly guided along sheet metal with minimum arm pressure, an air nibbler requires 4 cfm at 90 psi. Even the smallest of metal and wood objects are sometimes in need of maintenance. A mini die grinder can also be used for moderate-relief wood stenciling and other crafts work.
From sanding tips to buffer wheels, the tool is lightweight regardless of the attachment.
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