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  • Hyprez Flatness Measurement Devices


    To maintain your part quality, it is extremely important to maintain the plate flatness throughout your lapping process. We offer the Engis Flatness Gauge as a precise and economic means to measure the flatness of lapping plates. Engis Flatness Gauges are accurate, corrosion resistant and durable for use in production environments.

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    Flatness Gauges
    To achieve optimum, consistent part quality it is extremely important to maintain plate flatness throughout your lapping process.   Engis offers Flatness Gauges as a precise and economical means to measure the flatness of your lapping plates.  Designed to withstand the rigors of a production environment, these Gauges are durable and corrosion resistant.

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    Optical Flats and Monochromatic Lights (FMD)
    Since the flatness tolerances achieved by Engis lapping systems can be in the range of just millionths of an inch, the preferred method of measuring flatness is the Engis monochromatic light source and an optical flat. The Engis FMD lamps provide several advantages over traditional monochromatic light sources:
    •  Portable, durable, affordable
    •  Can ship as complete unit without damage - plug in and start up (110/220 VAC)
    •  Green filter provides higher visibility and reduced eye fatigue compared to helium lamps
    •  High contrast and definition of interference bands
    •  Illumination angle of 60°
    •  Optical flats available upon request
    •  Available in two sizes FMD-16 (10x12”) and FMD-30 (11x17”)

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    Application notes:
    When using the Hyprez Monochromatic Light Measuring System:
    •  Place the part below the light source (FMD Lamp)
    •  Carefully place the optical flat on top of the part
    •  Viewing down through the optical flat you will see light and dark bands at the interface of the part and the optical flat.
    •  These light bands are used in determining the part flatness.


    Give us the opportunity to provide you with the best Process Development, Sales and Customer Support in the industry.
    Contact your local Engis
    Regional Sales Manager or Customer Service Representative.


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