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One question per day; no prize for correct answers, it’s just for entertainment

2019-12-14View Original

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42. The alignment can be achieved by using suspension wires, and the precision that can be attained is ( ) mm. A、0.01 B、0.02 C、0.03? The answer to the question from yesterday was C. 41. Reducing the clearance between the rolling bearings and the shaft journals as well as the bearing housing holes can decrease the ( ) of the spindle within the bearings, which helps to improve rotational precision. A. Thermal expansion amount B. Tilt amount C. Runout amount

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