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The various dimensional changes which result from the processing steps necessary to produce a high-strength copper impregnated sintered iron gear make the prospect of producing original dies and determining subsequent sintering and infiltering schedules to produce gears to meet a given drawing seem almost insurmountable. However, the techniques necessary for high-quantity, high-quality production have been worked out.
This paper presents a statistical study of some of the data collected by the General Electric Home Laundry Equipment Department during the year 1951. These data are proof that a quality gear train can be produced by the powder metal techniques.
Hinkle, W. A.
General Electric Co., Trenton, N.J.