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Ingersoll Rand Rotary-Vane Air Motors

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Ingersoll Rand Rotary-Vane Air Motors milling and sawing motors have been used on such diverse applications as milling screw slots in molded fiberglass and straddle milling a 3/4” hex shape on round bar stock. For cost reduction in secondary machining, it is feasible to install a mill motor on the cross-slide of a machine to mill or spotface a slot or diameter on the outside diameter of a workpiece. ARO’s mill motor range covers the majority of primary and secondary machining applications. Industrial milling cutters are available in a wide variety of kinds, sizes and shapes for specific applications. Certain basic types are normally used with ARO milling motors. Vane motors are available in a broad range of speeds, torques and power and are the most widely used type of air motor.

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End Mills (Figure 1): These are designed for milling slots, keyways and pockets where arbor-type cutters cannot be applied. The cutting edges, as the name implies, are at the end of the mill rather than on the circumference.

Shell End Mills (Figure 2): Similar in application to standard end mills, except that they are mounted to an arbor and used whenever the diameter of a standard end mill is too small for the application.

Woodruff Keyslot Cutters (Figure 3): Used for cutting keyslots in arbors or shafts for standard Woodruff keys. Available in arbor-type or shank-type.

Plain Metal-Slitting Saws (Figure 4): These cutters are designed with teeth around the entire circumference. Sides are concave to provide clearance in cutoff operations and for slotting heads of screws and shafts.

Side Milling Cutters (Figure 5): Used for milling plain and flat surfaces.

Note, it is important to remember that the specification listings show only one set of performance figures, at a particular pressure of 90 psig because air motors are designed to produce optimum performance at this pressure. Many other speeds, torques and power can be obtained from the same motor by regulating the pressure, air supply or exhaust. While they will operate at pressures below 40 psig, their performance may not be consistent. They can also be operated above 100 psig, but often at the expense of increased maintenance. Remember, it is important to ensure that the desired air pressure is available at the motor for proper motor operation. A pressure reading at the compressor does not mean that the same pressure will be available to an operating air motor, because of possible restrictions and friction losses in the air system. Exhaust restrictions can also affect air motor operation, and are often the cause of performance problems.

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Tech Tip: To increase tool performance, extend tool life and lessen repair cost use it with a Filter-Regulator-Lubricator (Click Here To Shop FRLs)

blog-post-icon.jpg Need more information about Filter Regulator Lubricators (FRLs)? - Click here to read our Guide on Proper Conditioning of Compressed Air

industrial-tools-parts-breakdown.pngLooking for more information about Ingersoll Rand Air MotorsClick here to view the Ingersoll Rand Air Motors Catalog.

Don't see what you're looking for? Feel free to contact us with your requirements via phone at 800-608-5210 or e-mail at info@intlairtool.com