The machining quality of parts includes machining accuracy and surface quality.
举一反三
- The principles for machining sequence of each surface should be( )<br/>and perform rough machining before finish machining. A: perform datum surface machining before that of other surfaces B: perform main functional surface machining before less important surface machining C: perform plane surface machining before hole surface machining D: perform complex surface machining before simple surface machining
- CNC machining parts with high accuracy is mainly due to ( ). A: Multiple clamping single station machining B: Once clamping multi-station machining C: Multiple clamping and multi-station machining D: Small machine tool vibration
- High machining accuracy,( ), high automation, low labor intensity and high production efficiency are the machining characteristics of CNC machine tools. A: Machining parts with simple contour and mass production B: Strong adaptability to processing objects C: A single piece of parts which is difficult to fit or must rely on manual correction and positioning in order to machining accuracy. D: Suitable for machining billet with special large allowance and uneven material and allowance.
- 【单选题】What are the two dimensions that help in defining the quality of a product of quality? A. Product quality and process quality. B. Market-perceived quality and performance quality. C. Product quality and service quality. D. Actual quality and assumed quality E. Absolute quality and relative quality
- Which of the following situations is not suitable for NC machining? A: Machining content that needs to be adjusted over a longer period of time B: A situation in which a general machine tool is difficult to process and its quality is difficult to guarantee C: Other sporadic location that can not be processed in one installation D: The occasions of low efficiency and unstable quality with general machine tools