A-A-54266
12 October 1990
COMMERCIAL ITEM DESCRIPTION
SURFACER, OPHTHALMIC LENS
The General Services Administration has authorized the use of this Commercial Item Description.
This Commercial item description covers a table top mounted semi-automatic ophthalmic lens surface designed and constructed for polishing and fining spherical lenses.
Salient Characteristics:
Shall be a table top semi-automatic ophthalmic lens surfacing machine.
The unit shall surface and polish glass and plastic lenses.
The contact pressure between the lap and lens shall be continuously adjustable and applied through spring loaded pressure rods with the conversion capability to operate using line air pressure. A contact pressure indication gage shall be installed in plain view to the operator.
Shall be a twin spindle, dual speed machine which operates at nominal speeds of 570 and 875 inches per minute.
The unit shall utilize a self contained pump and epoxy coated tank with a nominal fluid capacity of 32 ounces.
The tube assembly shall be equipped with Aircraft type, sealed, self-aligning bearings.
All bearings, bushings, interior components and assemblies shall be completely protected and sealed from the polishing and fining compound.
Shall use “push-button” timer with automatic reset that eliminates the need for continual setting. An elapsed time meter to provide automatic shut-off and total running time shall be included.
The unit shall provide for easy access to all moving parts.
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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