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topic 2740

Measuring surface reflectance


We have recently installed a cnc polishing machine for finishing aerospace alloys - 2024, 6061, and ams 4096, all alclad materials. Our inspection criteria for checking the polished finish is very subjective (i.e., stand back and look at it), and I wish to introduce something more objective. To that end, I have found in Mil-Spec (MIL-P-6888C) a reference to a Model 660m reflectometer. Unfortunately, I cannot find any information on such a device. Could anyone help me by providing information about this, or any similar, device?

Clifford Megahey
- Belfast, Northern Ireland


Would appreciate information on your purchase of the CNC Polishing machine, what type and capacity etc.

Regards David.

David T Knappstein
- Adelaide, South Australia

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