西南石油大学学报(自然科学版) ›› 1992, Vol. 14 ›› Issue (3): 55-59.DOI: 10.3863/j.issn.1000-2634.1992.03.008

• 石油机械工程 • Previous Articles     Next Articles

STEP ANGLE DIFFERENTIAL TECHNOLOGY OF STEP MOTOR IN HIGH-TEMPERATURE AND HIGH-PRESSURE ROTATIONAL VISCOMETER-FILTRATION TESTER

Cao Xie-dong
  

  1. (Department of Management Engineering)
  • Received:1991-11-28 Revised:1900-01-01 Online:1992-08-20 Published:1992-08-20
  • Contact: Cao Xie-dong

Abstract: This paper laid emphasis on discussing the seep angle differential tech-nolgy of step motor in recently developed high-temperature and high-pressure rotational viscometer-filtration tester, This technology can be used to solve the problem of measuring precision at low rotational velocity,

Key words: Step motor Step angle differential technology R

CLC Number: