I am having difficulty specifying a proper surface finish for the gland surfaces of a static vacuum o-ring face seal. The drawing currently specifies a 16 microinches Roughness Average.
"Contrails can and should form readily in clean, cold, and dry air. Normal clouds, on the other hand, require higher moisture levels and a particulate, or aerosol base, from which to develop.
Number of Pages: 63 This is a reproduction, not a photocopy, of an original Okamoto 612 & 618 Surface Grinder Operator's and Parts Manual. This manual contains information on set up, lubrication, maintenance, adjustments and controls as well as a complete parts list and diagrams.