Cryogenic Machining

  MAG Industrial Automation Systems (Erlanger KY) will exhibit a breakthrough in cryogenic machining at IMTS, demonstrating a new U.S.

 

MAG Industrial Automation Systems (Erlanger KY) will exhibit a breakthrough in cryogenic machining at IMTS, demonstrating a new U.S. Navy-sponsored development that utilizes a unique through-spindle, through-tool cooling system. The multi-patent pending development cools the cutting edge more efficiently than ever before possible, enabling dramatically higher cutting speeds for increased metal removal, longer tool life or a blend of the two advantages. The liquid-nitrogen (-321°F) cooling system can also be combined with MQL (minimum quantity lubrication) to reduce tool friction and adhesion, enabling even higher metal removal rates or longer tool life. Ideal applications involve aggressive metal removal in the hardest workpiece materials, such as titanium, nickel-based alloys, and nodular or compacted-graphite iron (CGI).

 

Watts added that tests by MAG have shown the range of capabilities for diamond tooling can be expanded significantly with cryogenic cooling, for example extending the heat limit in CGI by 3 to 4 times. Carbide tooling, which is more affected by abrasive wear, responds best when MQL is combined with cryo cooling.

 

The through spindle cryogenic cooling system is suitable for motorized, belt-driven or geared spindles. At IMTS, a through spindle cryogenic delivery system will be demonstrated on a MAG VMC.