Method for preparing transmission tube blank made from filament wound composite material

The invention discloses a method for preparing a transmission tube blank made from a filament wound composite material, and relates to a method for preparing a transmission tube blank. The invention aims to solve the problem that a dynamic load transmission tube blank made of a metal material is easily resonated with other metal parts to threaten the safety of an aircraft, and has low humidity resistance and moldproof property. The method comprises the following steps of: 1, preheating a mold; 2, covering a film on the mold; 3, heating the mold; 4, arranging glass fibers on a fiber tensioner;5, dragging the glass fibers into the mold; 6, arranging carbon fibers on the fiber tensioner; 7, winding a main structural layer; 8, winding the glass fibers; 9, regulating winding parameters and winding again; 10, curing and molding; 11, demolding; and 12, performing surface treatment. The composite material wound transmission tube blank has the advantages of high humidity resistance and high moldproof property, avoids resonance with other metal parts, and greatly improves the safety of the aircraft.