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- It advances that the non-lapping envelope region is a major fact of generating roundness errors and inquires into the effects of ball roundness with non-lapping envelope region, preliminary pressure error and lap tool wear. 根据四研具体对球面研磨的包络原理，提出了未包络研磨区是产生残存圆度误差的主要因素，并探讨了未包络研磨区、四研具初始压力误差、研具磨损不均匀性产生的原因和对研磨残存圆度误差的影响及解决措施。
- To solve the difficulty of lapping the paraboloid workpieces,a new lapping method using the bending and forming lapping tool system is presented. 针对抛物面零件的研磨加工的难题,提出了一种采用弯曲成形法制作磨具系统来研磨抛物面零件的新方法。
- In the process of plane lapping with solid abra-sive, the uniform abrasion of lapping tool is very impor-tant to ensure a good form of the workpiece and the lap-ping tool. 固着磨料平面研磨加工中磨具的均匀磨损对于保证磨具和工件的加工面形精度具有极为重要的意义。
- The bending deformation of the aspherical bending lapping tool under the action of bending moment was analyzed according to its deformation feature in high speed lapping process. 针对高速研磨加工中使用的弯曲成型法非球面磨具的变形特点,分析了磨具在弯矩作用下产生的弯曲变形,指出磨具高度对磨具成形误差影响较大,磨具宽度对其影响较小。
- He was reared in the lap of luxury. 他在奢侈的环境中长大。
- According to this theory, after machining 200 workpieces, the lapping tool also can make the flatness of the workpiece machined surface reach ultraprecision level. 以这一理论做指导，进行研磨加工，磨具在加工200个工件后，仍能使工件表面精度达到超精密的水平。
- The runner is still going strong on the last lap. 那个赛跑运动员在跑最後一圈时仍然劲头很足。
- The child sat on its mother's lap. 小孩坐在妈妈的膝上。
- For quite some time, everything fell into his lap. 好长一段时间他事事称心如意。
- The engine conked out on the final lap. 发动机在最后一圈时失灵了
- Recently the aspheric surface's machining is a difficult problem,so a new method was proposed that aspheric surface workpiece was high speed lapped using lapping tool made by means of bending. 针对目前非球面加工的难题,提出了一种利用弯曲成形法制作磨具来实现非球面高效研磨的新方法。
- She has fall asleep with an open book in her lap. 她睡着了,腿上还摊开着一本书。
- Combining workpiece and lapping tool movement, this paper derives the movement rule and its path of workpiece relative to lapping tool.It is found that the path is a group of cycloids. 在求出工件的运动后，再结合已知的磨具运动，本文分别求出工件相对磨具的运动规律及相对运动轨迹，发现该轨迹是一组摆线。
- Instructions for using the tool can be found in the compendium. 在手册中可以找到这个工具的使用说明。
- She was brought up in the lap of luxury. 她从小养尊处优。
- Mother holds the baby in/on her lap. 母亲将婴儿抱在膝上。
- Since the abrasives on the lapping tool are uniformly distributed, the number of abrasives on a circle with radius R is directly proportional to its the circle perimeter and its radius R. 因为磨具上磨料是均匀分布的，所以磨具上任一半径R处的磨料微粒数量与其周长正成比，也就是与其半径R成正比。
- The waves gently lap against the shore. 海浪轻轻地拍打着海岸。
- She had fallen asleep with an open book in her lap. 她睡著了，腿上还摊开著一本书。
- In this paper the realization conditons of uni-form abrasion of the lapping tool in the process of highspeed plane lapping with solid abrasive are studiedthrough mechanical and kinematical analysis. 根据固着磨料平面高速研磨中磨具均匀磨损的概念,通过力学和运动学分析,探讨了磨具均匀磨损的条件。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
