| 1. | Mmg multi - axis surface machining 多轴曲面加工 |
| 2. | Smg 3 axis surface machining 轴曲面加工 |
| 3. | Thereby the simulation of machining screw and hole has been perfected 进一步完善车削中螺纹加工、孔加工和圆弧曲面加工的仿真。 |
| 4. | Sculptured surface machining is a critical process commonly used in die and mold industries 摘要复杂曲面加工广泛应用于模具行业。 |
| 5. | There are some geometry characters about it , for example , it is simple in structure , and the normal lines along generatrix line are in one plane , so there are the extensive applying prospects hi mechanical transmission and surface processing 此类曲面结构单纯,沿母线法线共面,并且有许多重要的几何性质,在机械传动和曲面加工中有着广泛的应用前景。 |
| 6. | Using two - arm robot on special - shaped surface working is a renovation of mechanic cutting technique . it can curve all kinds of closed surface including prism and revolving solid . it can meet the requirement of keeping being perpendicular with the unshaped surface whenever works 双臂机器人用于异形曲面加工是机械加工技术上的创新,它可雕刻各种全立体异形曲面,并可加工棱柱和旋转体,在加工作业时能满足处处垂直于工件待成型表面的要求。 |
| 7. | With the progress of the information technology and the development of the global manufacturing techniques , enterprises require more efficient and lower cost machine tools by reason of enhancing their competitive ability . but conventional machine tools will encounter many difficulities which are hard to overcome in the future , for instance of high - speed machining ( path speeds exceeding 50 m / min ) and high - efficient space curved surfaces machining as well as flexibility of machines 随着信息技术的进步和全球化制造技术的发展,企业为了提高自身的竞争力,要求配置效率更高和成本更低的加工设备,而传统机床在未来的加工业中会遇到难以克服的困难,例如在高速加工(轨迹速度达到50m min )和高效空间曲面加工及机床的通用性方面将无法满足现代加工技术的要求。 |
| 8. | The cutting power of ball - end milling cutting tool is the base of choosing machine tool , cutting tool , clamp tool and realizing the optimizing of milling technical parameters and the cutting force fluctuating is one of the main aims of the cutting tool choice . in this paper , we studied the cutting force of ball - and milling based on theory and test , as realized the cutting tool choice based on the least cutting force fluctuating 由于球头铣刀是复杂曲面加工的主要刀具,球头铣刀切削力是选择机床、刀具、夹具及实现铣削加工工艺参数优化的基础,切削力波动又是刀具轨迹优选的主要目标之一,故本文对球头铣刀的切削力进行了理论与试验研究,实现了基于切削力波动最小的刀具运动轨迹优选。 |
| 9. | Based on the computer geometrical models of straight bevel gears built , a iso - parametric tool path algorithms which was fit for the machining of multiple surfaces has been designed . the algorithms can solve the problems which exist in machining multiple non - rectangle parameter surfaces and avoid the calculation of sufaces intersection 在建立直齿圆锥齿轮计算机模型的基础上,提出了适于多曲面加工的等参数线刀轨生成算法,避免了在对多张相邻非矩形参数域齿面进行加工时所产生的干涉问题,而且曲面无需求交,使得计算成本下降。 |
| 10. | Parallel machine tool has simplified mechanism and has much agility and specified on the processing of the curved surface , but it also has some shortcoming such as its workspace is strait and influenced much by the orientation of the moving platform , moreover , there is not a conclusion now whether it can attain the accuracy at level of the traditional machine tool in the academy and engineering 尽管并联机床被认为具有结构简单,运动灵活,适合曲面加工等优点,但也具有工作空间有限且受刀具姿态影响大等缺点,更何况国内外学术界和工程界对并联机床的加工精度能否达到传统机床的水平还没有定论。 |