Title: Measuring instrument for diameter difference of small spheroid
Application Number: 92108418 Application Date: 1992.05.15
Publication Number: 1078551 Publication Date: 1993.11.17
Approval Pub. Date: Granted Pub. Date: 1998.01.28
International Classifi-cation: G01B11/08
Applicant(s) Name: Shanghai Optical Precision Machinery Inst., Chines Address: 201800
Inventor(s) Name: Wo Minzheng
Attorney & Agent: LI LANYING ZHANG ZECHUN
Abstract:
     The instrument is used to measure the balls of ball-pen and microbearing and other high grade small balls. It is mainly comprised of optical measuring system containing optical wedge working tuble, array sampling and computerized data processing system. Its advantages are high precision measuring accuracy up to 0.05 micro meter), quick measurement (measuring time less than 5 min. for each ball), easy catching hold of ball and convenient operation.
Time: 15