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Machine Components Corporation constant torque spring wrapped hinges offers the consumer a unique product that is ideally suited for applications requiring the maintenance of an unbalanced load in any desired position throughout 360º of a given rotary axis. The FH-10 hinge requires no external fastening components such as screws for assembly lending itself to simplified production assembly.

The constant torque hinge is self contained within a hex shaped body which offers protection to both the wrapped spring and the lubrication. This configuration provides long life, high torques within a compact assembly. The hex shaped body allows simplified installation into an assembly requiring only a molded hex in the moveable part or two flats to contain the hinge body. To support the assembly the shaft requires a molded flat in one supporting end and a molded hole in the opposite supporting end to finish the installation.

The FH-10 hinge is offered in several configurations from 6 lb·in up to 36 lb·in depending on the torque required for operation. The wrap spring design pro vides smooth 360º motion as well as providing the design holding torque in any of the rotary positions.

The life of the FH-10 hinge is in excess of 500,000 cycles when continuously actuated through a range of 95º at 30 RPM.

Notes:
Torque can be the same in both directions.
2. Torque can be different for the two direction up to a ratio of 5 to 1.