Investigation of Measuring Large Threads with Gages of Light-Weight Material. Phase II.

摘要

An experimental investigation of the dimensional stability of composite thread gages was undertaken. Interest was focused on the effect of composite material,filament tension,manufacturing process (wet +pre-preg material),molding,filament-volume ratio,internal geometry (plain diameter ring, 'V'thread and acme thread gages) and thickness,at two or more levels. This phase concentrates on the filament winding process rather than the vacuum molding process. It can be concluded from this limited study that curing temperature is the most important parameter in obtaining dimensional stability of the composite gages. Tension of winding and thickness of the samples played a secondary role in achieving dimensional stability. Due to the limited investigation of vacuum molding,no definitive conclusions on dimensional stability were reached.