A-A-0051736 (DM)
3 November 1986
INTERIM COMMERCIAL ITEM DESCRIPTION
DENTAL ENGINE, BENCH TYPE, HIGH SPEED,
115 Volt, 60 Hz, AC
The General Services Administration has authorized the use of this Interim Commercial Item Description which was developed by DLA, Defense Personnel Support Center, Directorate of Medical Materiel, DPSC-RST, 2800 South 20th Street, Philadelphia, PA 19101, based upon currently available technical information.
This interim commercial item description covers an electrical bench engine suitable for use in the dental prosthetic laboratory during the fabrication of dental prosthesis.
Salient characteristics:
The bench engine shall be Teledyne Hanau’s Emesco Bench Engine Model No. 92NP with Emeso No. 9 Foot Controller or equal, consisting essentially of a bench mounting base, motor assembly, short triple section belt arm, foot activated rheostat for control. Suitable electrical connectors and applicable accessories. The weight and weight distribution of the engine (including bench mounting base) shall such to provide proper balance and preclude tilting or moving of the engine during use. The engine with foot controller, shall be suitable for use on 110 volt, 50/60 hertz, AC electrical power. The motor shall be an AC/DC motor which shall have minimum rating of 1/5 horsepower and shall be provided with a 2-step drive pulley. The engine shall be reversible and be capable of driving a dental handpiece from 1,200to 34,000 rpm. Belt arms shall be triple arm, all cord type, so constructed as to compensate tension on belt. The triple arm shall consist of a 12 inch long main arm which shall be the arm at the motor end, a 10-1/2 inch long upper arm which shall be the center arm, and a 5-1/2 inch long lower arm which has six ball bearing pullets. Belt guards shall be provided for all pulleys. The foot activated speed control mechanism shall be a solid state silicon controlled rectifier type rheostat enclosed in a housing 6-1/2 inches in diameter and 2-1/4 inches high and shall weigh 5-1/2 ± 1/2 pounds.
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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