Pnuematic Air Tools – A quick summary!

Selecting the best tool for the job helps reduce work time and effort. A common tool type are pneumatic air tools that use compressed air powered by a compressor. Pneumatic tools have several advantages over electrical tools in that they need no electricity, give more torque, and are typically smaller and more lightweight.

Pneumatic Tool Basics

A pneumatic tool uses utilizes a piston that is powered by the energy produced by air pressure supplied by a compressor. Air circulates through the tool at a high rate of speed and propels the piston. The faster the airflow, the faster the tool operates. Each pneumatic tool has its maximum working pressure measured in pound per square inch (psi). The standard rating is 90 psi for most tools, up to a maximum rating of 120 psi. Commercial industries may use special pneumatic tools with greater psi ratings.

Nail Gun

A manual nail gun requires the worker to tightly squeeze the trigger and apply pressure against the surface until the fastener is driven in. A pneumatic nail gun uses air pressure to drive a fastener into the surface with greater force. A nail gun uses a roll of metal fasteners or nails loaded inside that allow a user to work for long periods before reloading. The fasteners range from 16 mm for smaller projects up to 70 mm for heavier construction. The smaller sizes of 22 and 24 gauges attach molding and are used in furniture making. The larger 18 gauge or “brad nail” works best for heavier carpentry.

Impact Wrench

A hand and torque wretch requires muscle power when unscrewing a rusty bolt. An impact wrench is a pneumatic tool that provides greater torque or turning force. The air pressure spins the socket at a high rate of speed to tighten or loosen a bolt. It uses different sockets depending on the bolt or nut size. The standard size of a wrench is 1/4-inch for most home projects. Two styles are available: the screwdriver model and the pistol grip model that is used for right angels. Impact wrenches use extensions for hard-to-reach areas. Impact wretches are used throughout the automotive industry and on assembly lines.

Air Grinder

An electric powered grinder uses attachments to sand, polish or grind a surface free of paint or rust. An air grinder performs the same functions with air pressure that rotates the attachment against the surface to erase or polish it faster. The normal speed of an air grinder is 18,000 rotations per minute (rpm), but heavy-duty models produce up to 25,000 rpm. A grinder uses similar attachments to electric grinders, such as sanding drums, wire brushes and polishing pads. The most common air grinder sizes are 1/4-inch and 3/8-inch.

Air Sprayer

Sprayers use air pressure to push the paint through the nozzle onto the surface more quickly and evenly than manual paint applicators. An air sprayer has a plastic container that holds the paint. The size of the container depends on the size and power rating of the sprayer. The container is washable and easily refillable. Standard sprayers use 35 psi and high-pressure ones use 60 psi. Nozzle sizes are measured in millimeters (mm) and determine the size of the spray pattern. The nozzles for small delicate areas like trim include 0.8 mm, 1.0 mm, and 1.2 mm. Nozzle sizes to paint larger areas are 1.5 mm to 1.9 mm, and up to 2.2 mm

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