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一、知识要求试题 1.是非题 (是画√,非画×,画错倒扣分:每题1分,共40分) (1)车削细长轴时,产生“竹节形”的原因主要是跟刀架的支承爪压得过紧。( ) (2)精车米制蜗杆时,图样上注明是轴向直廓蜗杆,装夹车刀时,应将车刀左右切削刃组成的平面垂直于工件齿面。( ) (3)制动器的功用是在车床停车过程中,克服主轴箱内各运动件的旋转惯性,使主轴迅速停止转动。( )
First, the knowledge required test questions 1 is the non-title (yes painted √, non-painting ×, painted wrong down points: 1 point for each question, a total of 40 points) (1) turning slender shaft, resulting in “bamboo shape” Mainly with the knife support claws pressed too tight. (2) When the fine meter worm is made, the pattern indicates the axial straight worm. When clamping the turning tool, the plane formed by the left and right cutting edges of the turning tool shall be perpendicular to the tooth surface of the workpiece. (3) The function of the brake is to overcome the rotational inertia of the moving parts in the spindle box during the parking of the lathe, so that the spindle can stop rotating rapidly. ()