1966-02-01

Automatic Assembly of Differentials at Pontiac 660402

This paper describes four integrated, index type, parallel lines with intermixed manual and automatic operations used at Pontiac Motor Division to assemble rear axle differentials. Automatic pinion bearing preloading, gaging of pinion cone distance, gaging of side bearing shims, heating of ring gear bore, spreading of carrier, and on the line testing are the main features of this machine. Quality has improved through automatic gaging and the ability to perform automatic operations while the parts are stationary. Significant manpower reductions have been made possible with this automated assembly, which has a production gross of 270 assemblies per hour.

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