Geometrical instruments – Gauge – With calibration device or gauge for nuclear reactor element
Patent
1995-07-10
1997-07-15
Fulton, Christopher W.
Geometrical instruments
Gauge
With calibration device or gauge for nuclear reactor element
73 179, G01B 7004, G01C 2500
Patent
active
056471360
ABSTRACT:
An automatic ball bar for a coordinate measuring machine determines the accuracy of a coordinate measuring machine having at least one servo drive. The apparatus comprises a first and second gauge ball connected by a telescoping rigid member. The rigid member includes a switch such that inward radial movement of the second gauge ball relative to the first gauge ball causes activation of the switch. The first gauge ball is secured in a first magnetic socket assembly in order to maintain the first gauge ball at a fixed location with respect to the coordinate measuring machine. A second magnetic socket assembly secures the second gauge ball to the arm or probe holder of the coordinate measuring machine. The second gauge ball is then directed by the coordinate measuring machine to move radially inward from a point just beyond the length of the ball bar until the switch is activated. Upon switch activation, the position of the coordinate measuring machine is determined and compared to known ball bar length such that the accuracy of the coordinate measuring machine can be determined.
REFERENCES:
patent: 4263803 (1981-04-01), Burkhardt
patent: 4435905 (1984-03-01), Bryan
patent: 4437151 (1984-03-01), Hurt et al.
patent: 4492036 (1985-01-01), Beckwith, Jr.
patent: 4763507 (1988-08-01), Zofchak
patent: 4780961 (1988-11-01), Shelton et al.
patent: 4819195 (1989-04-01), Bell et al.
patent: 4945501 (1990-07-01), Bell et al.
patent: 5052115 (1991-10-01), Burdekin
patent: 5214857 (1993-06-01), McMurtry et al.
patent: 5259120 (1993-11-01), Chapman et al.
patent: 5430948 (1995-07-01), Van Der Wal, III
Fulton Christopher W.
Universities Research Association Inc.
LandOfFree
Automatic ball bar for a coordinate measuring machine does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Automatic ball bar for a coordinate measuring machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic ball bar for a coordinate measuring machine will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1484109