Alignment apparatus for rolling mill roller guides

Details Alignment apparatus for rolling mill roller guides Alignment apparatus for rolling mill roller guides

1977-03-28

1978-06-20

Corbin, John K.

Optics: measuring and testing

Angle measuring or angular axial alignment

Alignment of axes nominally coaxial

72 37, 356154, G01B 1127, G01B 1126, B21C 5100

Patent

active

040959015

ABSTRACT:
An apparatus for observing the relative alignment of two pairs of guide rollers on a rolling mill roller guide. The roller guide is positioned with its guide roller pairs spaced along an axis extending between two light sources. A dichroic mirror is arranged between each pair of guide rollers and its adjacent light source. One dichroic mirror reflects blue light while transmitting red light, and the other dichroic mirror reflects red light while transmitting blue light. The light reflected from both dichroic mirrors is recombined by a third dichroic mirror and is then projected onto a screen as red and blue images which may be compared visually with a reference outline on the screen, the said outline being representative of proper guide roller alignment. When the roller pairs are properly aligned, the red and blue images coincide on the screen to produce a white image aligned with the reference outline.

REFERENCES:
patent: 3457018 (1969-01-01), Kloss

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