Solid rocket engine jet pipe submerged blanking cap bonding method

• Main Authors: XIAO MENG, ZHAO PAN, LI JUN, LI ZHONGSHI, YAN SHULIANG, SHU WEI
• Format: Patent
• Language: Chinese; English
• Published: 01.11.2022
• Subjects: BLASTING; COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; JET-PROPULSION PLANTS; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The invention discloses a solid rocket engine jet pipe submerged blanking cap bonding method. The method comprises the following steps of flexible blanking cap trial assembly, flexible blanking cap polishing and glue containing groove manufacturing, gluing and pressurization and airtightness detection. The outer molded surface A of the lower section of the flexible blanking cap and the molded surface of the corresponding bonding part of the spray pipe are coated with glue for the first time, and the flexible blanking cap is installed in the spray pipe through a guide column on a lower pressing block; the glue solution is smeared on the outer molded surface B of the cylindrical section of the upper section of the flexible blanking cap and the corresponding bonding surface of the spray pipe for the second time; the four sections of the upper pressing block are installed on the lower pressing block, and the outer molded surface B of the cylindrical section of the upper section of the flexible blanking cap is pre