Composite material main blade co-bonding forming method

• Main Authors: LIU QIDI, REN MIAO, LI LILI, YAN JIAYAO, HAO GANGNING, WANG ZHIGANG
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention discloses a co-bonding forming method for a composite material main blade. The co-bonding forming method comprises the following steps: machining a matched metal part and a composite material part, pre-forming and carrying out surface treatment; the method comprises the following steps: performing numerical control blanking on a composite material skin, winding a main force bearing beam, performing the main force bearing beam, forming a D-shaped beam paddle, closing a mold, curing, then starting the mold, cleaning to obtain a formed paddle, and checking the paddle. The prefabricated upper wing surface main bearing beam, the prefabricated lower wing surface main bearing beam, the blade skin, the foam and other components are subjected to secondary glue joint curing forming, the D-shaped beam blade, the front edge girder and the reinforcing beam jointly form the D-shaped beam blade, and compared with a traditional C-shaped beam composite material blade, the D-shaped beam composite material blade i