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- Varying pitch screw 变螺距螺纹
- The varying pitch helixes were constructed on the parameter equation,and were selected as sweep trajectory;the surface of the screw was enveloped on the generating method. 运用傅立叶分析的方法说明了加网和扫描的过程,对扫描半色调印刷品时所产生的龟纹进行了理论的解释,并提出了抑制此类龟纹的方法。
- Also the technique has important value on the machining of variable pitch screw. 以上工艺方法对加工变螺距螺杆同样具有重要参考价值。
- The hearing loss progressed and the tinnitus became a persistent sensation of varying pitch. 听力一直减退,而且耳鸣变成一种经常不断的,各种音调的感觉。
- In order to improve the manufacturing accuracy of the inducting wheel, We have todeal with the problem of measuring the varying pitch precisely. 诱导轮是由变螺距螺纹曲面组成的另件,用于航天火箭装置,它的几何形体复杂,一般机械方法难以加工。
- This paper introduces a design method of variable pitch screw, This methed make use of multinomial, bring out the boundary conditions which the design need and the operating range of the methed. 本文介绍了一种变螺距螺杆的设计方法,该方法采用多项式,并提出了设计所需的边界条件和这种方法的使用范围。
- An Improved Design of Machining for Varying Pitch 加工变螺距螺杆的一种改进设计
- The technological process for making narrow-leaf heLix with varying pitches was introduced. 介绍一种窄片状变节距螺旋零件的扭制加工工艺。
- Keywords variabe pitch screw;packaging machine;design mothed;multinomial; 变螺距螺杆;包装机械;设计方法;多项式;
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- The coach built the team up to a fighting pitch. 教练使全队振作起来,准备一搏。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- They that touch pitch will be defiled. 近墨者黑。
- The taste of the lemon made her screw up her face. 柠檬把她酸得龇牙咧嘴。
- We planned to pitch our camps in the mountains. 我们计划在山里扎营。
- The speaker brought the crowd to fever pitch. 演讲者激起群众高昂的情绪。
- Does this lid screw on, or does one press it down? 这个盖子是拧的还是按的?