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- And a new type sphere-conical roller and globoid cam graduator is designed. 并在此基础上设计出了一种新型的球锥滚子弧面凸轮转位工作台。
- The paper theoretically analyses the fraction and stress of the ball globoid worm driving device according to its characteristics. 根据滚珠螺旋传动的特性,对滚珠环面蜗杆传动的摩擦与受力作了理论分析;
- This very large heart has a globoid shape because all of the chambers are dilated. 球形心,全部房室都扩张。
- The figures of the globoid indexing cam"s skew surface are generated by utilizing the MATLAB software. 用MATLAB的绘图功能,得到了凸轮工作廓面的形状,在此基础上,分析了凸轮廓面的曲率,为刀位规划时选择刀具提供依据。
- With seed maturation, staining showed oil bodies changing morphologically from slightly stained granules to substantially stained globoid bodies. 在成熟干燥的种子中, 油体集中分布于子叶贮藏细胞中央, 呈椭圆形或不规则形状, 较少为圆形。
- According to the requirement of research and teaching, a test desk of measuring the thermal conductivity with stable globoid method was designed. 摘要针对固体材料导热系数测量的需要,合理设计了稳态球体法导热系数测试实验装置;
- NC machining program was generated after solid modeling with UG, and NC machining of the globoid indexing cam could be implemented. UG实体造型完成后生成数控加工程序,实现对弧面分度凸轮的数控加工。
- The results show that there exist chunk graphite and more globoid re-crystal graphite in the solvent metal than that in the film. 结果表明,与包膜相比,溶媒合金内含有块状的未溶石墨和较多的球状再结晶石墨。
- Based on the linearly gearing cone roller and globoid cam mechanism, we design out the sphere-conical roller, which can make point contact with the corresponding globoid cam. 在线啮合圆锥滚子弧面凸轮机构的基础上,设计出一种对圆锥滚子进行修形后的球锥滚子,使其和原来由圆锥滚子创成的弧面凸轮形成点啮合。
- A general-purpose follower displacement curve data sheet,fulfilling various kind of law of motion,is implemented for the globoid cam mechanisms used in an automatic tool changer. 本文根据自动换刀装置中弧面分度凸轮的工作特点,设计具有升程和回程段的弧面凸轮从动件通用位移曲线。
- Protein body consists of a limited membrance,proteinaceous matrix and different types of inclusions:globoid crystals,protein crystalloids and druse crystals. 未萌发种子蛋白体周围由一单层膜包裹、内部为蛋白质基质及分布其中的内含物3部分组成,根据内含物形态和性质上的不同可分为球状晶体、拟晶体和簇晶体3种形式。
- Based on the linearly gearing cone roller and globoid cam mechanism, we design out the sphere-conical roller, which can do point contact with the corresponding globodial cam. 在线啮合圆锥滚子弧面凸轮机构的基础上,根据点啮合理论原理,设计出一种新型的球锥形滚子,使其和原来由圆锥滚子创成的弧面凸轮形成点啮合。
- By improving gear hobbing machine technique,and fitting multiple cutter on lathe,changes complex technique to simple,finishes the precision-machined of globoid worm. 通过对滚齿机加工工艺装备的改进,和多刀切盘组装在车床上,将复杂的工艺简化后完成球面蜗杆的精加工。
- The best medium was: MS+BA 2. oppm+NAA 0. Zppm, Onthis medium, the cullus induction rate was 94%, the globoid differentiation rate was 188%,the adventitious bud multiplication rate was 5 times at four week interval. 其最适宜的培养基组成为:MS+BA2.;0mg/L+NAA0
- According to the principle of gear engagement and the designcriterion of the ball helical transmission, the ball globoid wormgear grinded by this way can get or is close to the optimumcontact with ball. 根据齿轮啮合原理和滚珠螺旋传动的设计准则可知,采用该方法磨削的环面滚珠蜗轮与滚珠之间可达到或接近滚珠螺旋传动的最佳接触。
- Accordingto the principle of gear engagement and the design criterion of theball helical transmission, the ball globoid worm grinded by this waycan get or is close to the optimum contact with ball. 根据齿轮啮合原理和滚珠螺旋传动的设计准则可知,采用该方法磨削的环面滚珠蜗杆与滚珠之间可达到或接近滚珠螺旋传动的最佳接触。
- Furthermore, three Keggin-type HPAs (H4PMo11VO40, H5PMo10V2O40, H6PMo9V3O40) were prepared according to modified ether-extraction method and impregnated onto B-type globoid silica gel carrier. 采用醚萃取法合成三种钒取代的杂多酸,H4PMo11VO40、H5PMo10V2O40和H6PMo9V3O40,以B型球形硅胶为载体,浸渍法制备了负载型杂多酸(HPA)催化剂,研究常温常压下甲醛的催化氧化反应。
- For the finishing machining of globoid indexing cam, double envelope method without error in theory is used and special measures are taken to avoid undercutting and vibrating of the machining process. 在精加工刀位规划阶段,采用两重包络法对凸轮廓面进行无理论几何误差刀位规划,并对刀具轨迹进行处理以避免空刀现象,从而防止加工过程中振动的出现。
- Visual Design of Complex Globoid Cam 复杂弧面凸轮的可视化设计
- The CAD Syetem Study of Globoid Cam Equips 弧面分度凸轮装置CAD系统的研究