10-06-2015 дата публикации
Номер: CN104697473A
Принадлежит:
The invention relates to a six-face fraction rotating drum angular error testing device and method, in particular to a stochastic digital vision reading system using a photoelectric auto-collimator to conduct a six-face fraction rotating drum angular error test. The six-face fraction rotating drum angular error testing device and method are characterized in that the six-face fraction rotating drum angular error testing device comprises an optical dividing head, a reflecting mirror, an objective lens, a spectroscope, a cross reticle, a collecting lens, an area array CCD, a pattern collecting device, a computer and a light source, wherein the objective lens, the cross reticle, the collecting lens and the light source are arranged in sequence, the spectroscope is arranged between the objective lens and the cross reticle, the reflecting mirror is arranged between the objective lens and a six-face fraction rotating drum placed on the optical dividing head, the area array CCD is arranged below ...
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