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TOOLS & INSTRUMENTS

Pneumatic Tools

Pneumatic TOOLS_edited_edited.png

Pneumatic tools are powered by compressed air and are a staple in industrial environments and assembly lines. Because they don't have internal motors or batteries, they are often lighter, cooler to the touch during long-term use, and offer a much higher power-to-weight ratio than electric alternatives.

Key Technical Specifications for Pneumatic Tools

When selecting pneumatic equipment, the performance is entirely dependent on the airflow and pressure provided by the compressor system.

1. Air Pressure (PSI)

  • PSI (Pounds per Square Inch): Most industrial pneumatic tools are designed to operate at a standard 90 PSI. Operating above this can cause premature wear, while operating below it will significantly reduce torque and speed.

2. Air Volume (CFM)

  • CFM (Cubic Feet per Minute): This is the most critical metric. It measures the volume of air the tool consumes.

    • Continuous Tools: Tools like grinders or sanders require a high, steady CFM (e.g., 10–15 CFM).

    • Intermittent Tools: Tools like nailers or impact wrenches require a lower average CFM because they are used in short bursts.

3. Air Inlet and Hose Size

  • Inlet Size: Most small to medium tools use a 1/4" NPT (National Pipe Thread) inlet, while heavy-duty tools may require 3/8" or 1/2" to allow for more airflow.

  • Hose Diameter (I.D.): A 3/8" internal diameter hose is standard for most workshop tools to ensure they aren't "starved" of air.

Common Pneumatic Tools and Their Specs

Image
Title
Description
Description Copy
Pneumatic Impact Wrench

Max Torque (ft-lbs) & IPM

Heavy assembly and removing stubborn bolts in piping systems.

Air Angle Grinder

Free Speed (RPM) & CFM

Metal preparation, cutting, and grinding welds in industrial shops.

Pneumatic Riveter

Traction Power (N) & Stroke

Fastening metal sheets or components together permanently.

Air Blow Gun

Nozzle Pressure & Safety Venting

Cleaning debris from pipes or workstations.

System Requirements: The FRL Unit

For pneumatic tools to function reliably, the air must be treated before it reaches the tool using an FRL (Filter-Regulator-Lubricator) unit:

  1. Filter: Removes moisture and particulates that cause rust and internal clogs.

  2. Regulator: Ensures the air pressure stays at the tool's required PSI regardless of tank fluctuations.

  3. Lubricator: Adds a fine mist of oil into the air stream to lubricate the moving internal parts of the tool automatically.

Advantages in Industrial Settings

  • Safety: No risk of electrical sparks, making them ideal for environments with flammable gases or liquids.

  • Duty Cycle: Unlike electric tools that can overheat, pneumatic tools can run at 100% duty cycle as long as there is compressed air.

  • Durability: Fewer moving parts mean they are generally easier to maintain and can survive more rugged handling.

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