Attachment_1_-_Equipment_Specification.docx

Specification Worksheet:

Assembly, Slip-ring; high speed strain gage slip ring. Self-contained construction to include electrical connector.

• General assembly requirements (see attached drawing PG633003.38 for existing shaft contour) o must fit over existing shaft diameter interface , o existing shaft diameter of 2.247 max. dia., o shaft fit length of 11.85, o close tolerance fit with retaining mechanism, o must not extend beyond existing shaft endpoints, o overall diameter must not exceed 8 inch, o Total weight must not exceed 12 lbs, o aluminum housing and cover, o one piece, sealed, removable, overall cover, o continuous operation at speeds from zero to 600 RPM, o operational environment (pressure) is at between 0.1 and 1.5 atmospheres (200 to 3000 psfa), o 46 individual rings (channels), electrically rated 5A/60Vdc min., o cast epoxy dielectric; tested @ 1000 VAC hi-pot for 15 second, o High speed sealed bearings, o #20 AWG (min.) shielded wires per MIL-W-16878, o Overall concentricity TIR 0.005 inch between the slip ring ID and the OD of the overall cover,

• Rotor specific requirements;

o Cadmium plated steel rotor structure.

o 3.50 inch OD solid coin silver rings w/ 0.080 inch wall thickness and R30T min. hardness of 55, o Coin silver rings cast onto steel rotor structure in one casting group, o FAG180A brush grade w/ four (4) brushes per ring. 0.010 ohms max. dynamic resistance,

1. Individual ring wiring terminated on a rotating terminal board,

0. must be mounted on opposite side of the stator connector,

0. must not exceed the overall diameter of 8 inch,

0. must not extent 1.25 inches past it’s mounting interface.

• Stator specific requirements;

o Single stator connector secured to slip ring assembly.

1. Stator connector shall be Amphenol 97-3100A36-10P.

Fabricast part number 8289-2.252-46-CN/TB or equal in form, fit and function.