The cleaning and adjustment of the T4163 single-column boring machine optical reading system should pay attention to the following points: (1) Before cleaning and adjusting, the table must be moved to the extreme right end position, and the cover can be removed for inspection and repair. The longitudinal microscope optical reading system is shown in the figure. The half mirror 3 has more dust on it. The optical lens must be gently scrubbed with a long fiber degreased cotton ball wrapped in a small amount of alcohol and ether mixture (mixed liquid preparation: alcohol 15%, ether 85%), lens After wiping, rubbed on the lens
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