CFRP shells for nose cones of the PROTON-M, ROKOT and ANGARA launchers

The PROTON-M launcher with the nose cone shell manufactured at FSUE "ORPE "Technologiya"

Technical specifications:
• Sandwich structures with aluminium honeycomb core and CFRP shells having local increase in thickness and access holes
• Outer diameter - 4400 mm, length - 6700 mm
• Maximum deviation of the outer surface from the theoretical one of no more than ±1 mm
• Weight saving of no less than 35% as compared to metal and glass fiber plastic analogs
• 15% increase in hardness and a two fold increase of acoustic characteristics as compared to glass fiber plastic analogs
• Increase in overall dimensions of the modules manufactured without technological joints between cylindrical and conical parts
• 1,5-fold reduction in a manufacturing cycle

Basic advantages of the development:
• 3D solid modelling and automated designing
• New knowledge-based design and technological concepts
• Improved carbon fibers, light adhesive films and fillers
• Nonmetallic curing equipment
• Automated loftless preparation for the production process
• Production quality system in accordance with ISO-9002

Cylindrical shells for a payload bay of the PROTON launcher - sandwich structures with aluminium honeycomb core and CFRP shells having local increase in thickness and cutouts for hatches.

• Weight saving over glass-reinforced analog - no less than 35%
• Outer diameter - up to 4400 mm, length - up to 4000 mm
• Maximum deviation of geometrical parameters of the outer surface from a theoretical contour - no more than 1,0 mm

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