Search Results

This aerospace recommended practice (ARP) addresses the care, use, and training required to employ an effective borescope inspection program. Five subsections are included that cover training, storage, preoperational inspections, operation, and postoperational care related to both rigid and flexible borescopes. Throughout this ARP, proper borescope system nomenclature and terminology are utilized as specified in SAE ARP4022, Borescope Inspection System Definitions.

This aerospace recommended practice (ARP) addresses the care, use, and training required to employ an effective borescope inspection program. Five subsections are included that cover training, storage, preoperational inspections, operation, and postoperational care related to both rigid and flexible borescopes. Throughout this ARP, proper borescope system nomenclature and terminology are utilized as specified in SAE ARP4022, Borescope Inspection System Definitions.

This concept for measuring worn splines provides a direct wear depth dimension by utilizing the unworn involute surface as a contact point from which to measure the depth of wear on the spline tooth at the pitch diameter. Fig. 1 shows spline wear patterns and pitch diameter gaging points.

This recommended practice is applicable to all involute splines used in Aerospace Propulsion Units.

This concept for measuring worn splines provides a direct wear depth dimension by utilizing the unworn involute surface as a contact point from which to measure the depth of wear on the spline tooth at the pitch diameter. Fig. 1 shows spline wear patterns and pitch diameter gaging points.