Surface inspection apparatus of spherical matter

Details Surface inspection apparatus of spherical matter Surface inspection apparatus of spherical matter

1994-04-15

1995-10-10

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

356237, 356426, G01N 2188

Patent

active

054573262

ABSTRACT:
A surface inspection apparatus of steel balls and other spherical matter which enables the detection of defects on the surface of the spherical matter placed on a holder 2 by means of an inspection unit 1 comprising a proper number of electromagnetic sensors. The holder 2 possesses a rotatable support 20, and an auxiliary support 23 for supporting the spherical matter together with the support 20. The support 20 possesses a receiving groove 3 formed annularly along the rotating spherical peripheral surface, and this receiving groove 3 can accommodate the vicinity of the bottom of the spherical matter, and by the rotation of the support 20, the spherical matter can be rolled within the receiving groove 3 so that the direction of the spherical matter can be changed, thereby automatically changing the inspection position of the spherical matter. As a result, the surface inspection precision of steel balls or other spherical matter can be enhanced, and product qualification can be determined automatically and efficiently.

REFERENCES:
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patent: 4555635 (1985-11-01), Yoshida
patent: 4960332 (1990-10-01), Foldi et al.
patent: 5012116 (1991-04-01), Russell
patent: 5309229 (1994-05-01), Stolz et al.

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