Development of Welding Fixture for Rocket Motor Casing Assembly

  • Venkateswarlu ChepuruEmail author
  • P. Kiran
  • B. Hari Prasad
Conference paper
Part of the Lecture Notes on Multidisciplinary Industrial Engineering book series (LNMUINEN)


Rocket motor casing assembly is the critical and most significant assembly for an aerospace vehicle. Rocket Casing assembly is welded construction, consists of flow formed shell, front flange, aft flange, and external components like launch shoe, wing brackets, and wire tunnel lugs. The assembly of these components is carried out in two stages by tungsten insert gas welding. First stage is assembly of flanges to the shell and second stage is the assembly of external components to the flange subassembly. Four welding fixtures are developed for realization of rocket motor casing assembly. First fixture is designed for stage one (flange subassembly) to maintain correct relationship and alignment between flanges and shell. Remaining fixtures to align, locate the launch shoe, wing brackets, and wire tunnel lugs in a given orientation and position with respect to motor casing. Designed, developed, and utilized welding fixtures for realization of rocket motor casing.


Aerospace Welding fixture Rocket Motor Orthogonality 


  1. 1.
    Murthy, T.S.R., Abdin, S.Z.: Minimum zone evaluation of surfaces. Int. J. Mach. Tool Des. Res. 20, 123–136 (1980)CrossRefGoogle Scholar
  2. 2.
    Kanada, T.: Modern Metrology Concerns, pp. 281–289. InTech (1995)Google Scholar
  3. 3.
    Samuel, G.L., Shunmugam, M.S.: Use of limacon and limacoid in evaluation of circularity and sphericity errors. In: All India Manufacturing Technology Design and Research Conference, Chennai, India, pp. 145–147 (2000)Google Scholar
  4. 4.
    Yoshizawa, T.: Handbook of Optical Metrology: Principles and Applications. CRC Press, Florida, U.S.A. (2009)CrossRefGoogle Scholar

Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Venkateswarlu Chepuru
    • 1
    Email author
  • P. Kiran
    • 1
  • B. Hari Prasad
    • 1
  1. 1.Defence Research and Development Laboratory DRDOMinistry of DefenceHyderabadIndia

Personalised recommendations