On-machine profile measurement of large mirror for satellite (1st report) - Construction of the measurement system and development of the alignment methods

Shigeaki Goto, Yuki Shimizu, Jung Chul Lee, So Ito, Wei Gao, Shigeru Adachi, Kyohei Omiya, Hiroki Sato, Tetsuya Hisada, Yoshifumi Saito, Hiroaki Kubota

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This paper presents an on-machine surface profile measurement system for a large mirror to be used on a satellite. The system is constructed by fixing a long-stroke length gauge on a commercial rotary grinder which fabricates the mirror. The combination of the length gauge and the grinder automatically measures the profiles which can be used in compensation of profile error. Position and attitude misalignments of the length gauge induce significant errors to the profile measurement Quantitative and efficient alignment methods are developed for the position and attitude of the length gauge. The constructed system, the developed alignment methods and profile measurement results are described.

Original languageEnglish
Pages (from-to)631-635
Number of pages5
JournalSeimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering
Volume78
Issue number7
DOIs
Publication statusPublished - 2012 Jul

Keywords

  • Alignment
  • On-machine measurement
  • Profile measurement
  • Rotary grinder
  • Satellite mirror

ASJC Scopus subject areas

  • Mechanical Engineering

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