Applies parting agent to mold or bonding fixture. Impregnates cloth with resins by dipping cloth in solutions, feeding cloth between rollers to impregnating machine, or brushing resin onto cloth. Applies layers of impregnated cloth or prepreg onto mold or fixture in predetermined ply sequence, and presses cloth to fit contours of mold, smooth surface, and remove air pockets and excess resin, using squeegee, scraper, spatula or roller. Fits and laps ends of cloth, using scissors or knife. Encases molded laminate in bagging material and bleeder cloth, attached vacuum bagging apparatus, such as thermocouples, probes, and vacuum connections, to mold or bonding fixture, and exhausts air from vacuum bag to seal laminate for curing.
Tests seal on vacuum bagging apparatus, using leak detector.
Trims, drills, deburrs, grinds, sands, and finishes cured parts to specifications, using templates, fixtures, handtools, and power tools. Prefits and assembles cured parts into assemblies or subassemblies, using jigs, fixtures, power tools, and fasteners, such as rivets and bolts. Applies adhesives to surface of assembled parts for bonding in autoclave. Performs maintenance duties away from the base on temporary duty. Performs maintenance work such as repair and maintenance of company equipment and shop housecleaning.