Harmonic Drive. Type 2
High-precision harmonic drive for antenna pointing (Ø85 × 34 mm, ±30 arcsec transfer error, 200,000 rev life, 15-year GEO).
Technical specifications
- Purpose
- High-precision antenna pointing drive
- Year of release
- 2014
- Guaranteed service life
- 15 years
- Estimated production/delivery time
- 2 months
- Transfer error
- Not exceeding ±30 arcsec
- Lost motion
- Not exceeding 40 arcsec
- Repeatability
- Not exceeding ±9 arcsec
- Operational life
- Not less than 200,000 revolutions
- Overall dimensions
- Ø85 × 34 mm
- TRL
- 9
About
The Harmonic Drive Type 2 is a high-precision gear drive used as part of a high-precision antenna pointing system for spacecraft. It achieves ±30 arcsec transfer error (improved over Type 1), 40 arcsec lost motion, and ±9 arcsec repeatability, with a minimum operational life of 200,000 revolutions. Dimensions are Ø85 × 34 mm (deeper housing than Type 1). Released in 2014 with a 15-year guaranteed service life and 2-month delivery time.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
