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- precise surface machining 表面精加工
- PAN G CH T , L UO S B. Advanced asp heric surface machining technology[J ]. 庞长涛;罗松保.;非球面加工先进技术[J]
- A new semi-automatic spherical surface machining device is presented. Its structure and working principle are involved. 介绍一种在车床上使用的半自动车削球面装置的结构和工作原理。
- The line of intersection, inward concave and shallow area of curved surface are the difficult points in curved surface machining. 曲面交线、曲面内凹区域及曲面中浅平面的加工是曲面加工中的难点。
- In order to widely use special optical properties of hyperboloid line in the hyperboloid gyre surfaces machining,three schemes for producing the precise models of optical mirrors are presented here. 为了使椭圆线的光学性质在椭圆回转面精密加工中得到充分的应用,分别就椭圆回转面的加工给出了三种方案;
- An algorithm on tool-path generation, optimized through the use ofhelix-blend-Zigzag method and NURBS advantage, is put forward for HSM complex3-D surface machining. 结合 NURBS 的曲线优势,提出并实现了面向复杂曲面的 3 轴联动高速铣精加工可变行距的螺旋线与 Zigzag 混合刀轨优化算法。
- This proposed system has been dev eloped and used by author in a CAD system , and it is shown to be robust and eff icient for sculptured surface machining. 该系统已经应用到作者开发的CAD系统并在几种复杂表面零件的生产中使用,明显减少了刀具路径生成时间,提高了加工效率。
- This paper analyzes the correspondent factors which affects surface machining quality and puts forward the measures for improving spark erosion accuracy and surface quality. 分析了影响电火花加工工件表面质量的相关因素,提出了改善电火花加工工件精度和表面质量的措施。
- G. B. Vickers and K. W. Guan (1989), “Ball-Mills Versus End-Mills for Curved Surface Machining,” ASME Journal of Engineering for Industry, Vol. 111, pp. 22-26. 黄炜能(2006)，含分离叶片离心式涡轮之整合性刀具路径规划架构，硕士论文，清华大学工业工程与工程管理研究所。
- The development of the machine can finish the surface machining of large spec, tabular, high precise quenching steel and high rigidity alloy steel of special, to ensure the high machining precision of the workpiece. 该机床研制可解决国内加工中大规格、扁平类、高精度淬火钢和特殊高硬度合金钢的表面加工，并使工件具有极高的加工精度。
- The range of FS precision surface grinder with horizontal spindle and rectangular table is our new machine which is cooperated with German G&H company. FS系列精密卧轴矩台平面磨床是我厂与德国G+H公司合作生产的新型平面磨床。
- At present the surface measurement technology is getting mature, but there isn't ideal means for the measurement of subsurface which is under the precision surface. 目前表面检测技术已经比较成熟,但对精密表面下的细小缺陷却没有理想的检测手段。
- Directed at special surface machining, the paper offers the introduction of the concept of slant equidistant surface, the analysis of the properties and the establishment of mathematical models using conic tool to grind special surface. 针对异型曲面的加工问题,引入了斜等距曲面的概念,并对其性质进行了分析,建立了锥状刀具磨削异型曲面的数学模型。
- Under DNC environment, the surface machining accuracy of NC milling machine may be improved through postprocess control and adaptive prediction control. 在DNC环境下,以数控铣床曲面加工为对象,运用序后控测、自适应预报控制方法,提高了数控铣床的曲面加工精度。
- He was very precise in following instructions. 他一丝不钆地地执行指示。
- Abstract： This paper analyzes the machining efficiency and the scallop height of 5 -axis surface machining with a filleted- end mill, and an efficient cutter- path planning method is presented. 摘 要： 分析环型刀五坐标加工的残余高度误差和加工效率，提出一种高效的刀位轨迹的规划方法。
- The level of formality determine the precise mode of expression. 不同的礼节程度决定所需的确切表达方式。
- I can't give you a precise date. 我不能告诉你一个确切的日期。
- He was very precise in his manners. 他的一言一行都有板有眼。
- At the precise moment the train started. 就在那时，火车启动了。
