Quality Control


Our commitment to quality extends to our Quality Control Laboratory (QCL). The QCL located at our Headquarters in Schaumburg, Illinois contains the most advanced and sophisticated quality inspection equipment available. Substantial investments made in this equipment ensure that NewStar gearing, airbrake, chassis and power steering components meet the industry's most stringent quality standards.

The following are some of the equipment used in our Quality Control Program:

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  •  Klingelnberg-Hofler CNC
     (Computer Numeric Controlled)

     Checks all gear tooth dimensions to ensure
     teeth are made correctly



  • Starrett CMM
    (Coordinate Measuring Machine)

    For checking lengths, locations, concentricity
    of diameters, flatness and more...

  • Starrett CNC Optical Comparator 
    For visual checks of forms, radius, lengths,
    heights and more...



  •  Gleason Universal Gear Tester
     Functional rolling machine for testing gear sets


  • Mitutoyo HR-500 Rockwell Hardness
    Measures Rockwell hardness of various
    metals and other materials in thirty
    different hardness scales


  •  Custom Engineered Fixtures
     Enable testing to original specs for pop-off
     pressure differential, and crack pressures as
     required by part number on all air valves




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