Semiautomated inspection of superfinished spherical surfaces

Conference · Tue Jan 01 00:00:00 EST 1980

OSTI ID:5486595

Klingsporn, P. E.

Lapping and polishing techniques are used at Bendix Kansas City to fabricate superfinished spherical metal surfaces. A laser-light reflection method has been developed for semiautomated inspection of the surfaces. The reflected and diffracted light intensity distributions from the spherical surface are measured with an array of photodetectors interfaced with a data sampler and a minicomputer programmed to distinguish between pits and scratches. For automated measurement, standard deviations for scratch width and depth are 3 and 0.3 ..mu..m (120 and 12 ..mu..in.), respectively, and for pit diameter and depth are 5.8 and 0.9 ..mu..m (230 and 36 ..mu..in.), respectively. A laser interferometric displacement measuring system interfaced with the computer is used for automated measurement of surface waviness.

• Research Organization: Bendix Corp., Kansas City, MO (USA)
• DOE Contract Number: EY-76-C-04-0613
• OSTI ID: 5486595
• Report Number(s): BDX-613-2375; CONF-800506-1
• Resource Relation: Conference: 8. North American manufacturing research conference, Rolla, MO, USA, 18 May 1980
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
36 MATERIALS SCIENCE
SPHERES
POLISHING
SURFACE FINISHING
AUTOMATION
DEFECTS
EXPERIMENTAL DATA
FABRICATION
INSPECTION
INTERFEROMETRY
LASERS
METALS
MICROPROCESSORS
QUALITY CONTROL
SIZE
SPHERICAL CONFIGURATION
TABLES
CONFIGURATION
CONTROL
DATA
DATA FORMS
ELEMENTS
INFORMATION
NUMERICAL DATA
420200* - Engineering- Facilities
Equipment
& Techniques
360101 - Metals & Alloys- Preparation & Fabrication