2) precision cutting
精密切削
1.
A three-dimensional finite element model for precision cutting 3J33 maraging steel using the commercial software Marc is presented to study the effect of tool nose radius on chip formation, the principal cutting forces and the temperature fields.
在商业化软件Marc的基础上建立了圆弧刃精密切削三维有限元模型,研究不同半径的圆弧刃精密切削条件下主切削力、切屑形状和切削温度场分布。
2.
A high speed and high precision cutting test to turn the strong aluminum alloy LY12 with PCD and SPD cutters is carried out, and the influences of cutting conditions and cutting quantities on the roughness of machined surface are investigated systematically.
采用聚晶金刚石刀具和天然金刚石刀具对LY12高强度铝合金进行了高速精密切削试验 ,系统研究了切削条件、切削用量对加工表面粗糙度的影响规律。
3.
The results of precision cutting of the squeeze casting SiCw/Al compo- ite show that the cutting tools are seriously wore out,and the quality of the cutting surface is mainly depended on the feed.
对挤压铸造法制造的碳化硅晶须增强铝复合材料(SiCw/Al)进行的精密切削研究结果发现;一方面这种复合材料对刀具磨损较为严重;另一方面复合材料切削表面质量主要取决于进给速度,随进给速度提高,复合材料表面质量下降。
3) precision machining
精密切削
1.
The surface finish of precision grade is reached with polycrystalloid diamond PCD when precision machining SiCw /Al composites, and it still is lower degree than that of aluminum matrix.
文中通过采用PCD刀具进行SiCw增强铝基复合材料的精密切削试验,用原子力显微镜AFM对加工表面的微观形貌进行检测分析,表明SiCw/Al复合材料的加工表面粗糙度值可以达到精密级,但比切削铝基体材料获得的表面粗糙度值更大,且粗糙度值随着切削速度的增加、进给量的减小而减小,而与背吃刀量的关系不大。
2.
The main research contents and key techniques of some kinds of advanced cutting technologies, including high speed machining, dry machining, hard cutting, precision machining and virtual machining, are summarized in some aspects such as machine tools, cutting tools and appropriate process parameters.
从机床、刀具、工艺参数等方面综合介绍了几种先进切削加工技术 (包括高速切削、干切削、硬切削、精密切削和虚拟切削 )的主要研究内容及关键技
3.
With the development of precision and ultra-precision processing technology, single-crystal diamond cutting with the aid of ultrasonic vibration has gradually become one of the major research directions for precision machining of brittle materials, owing to its technical advantages.
本论文主要研究切削液对光学玻璃精密切削临界切削条件的影响,试图通过切削液对材料表面的改性作用来提高光学玻璃精密切削的临界切削深度,达到高效加工和改善表面加工质量的目的。
4) ultra-precision turning
超精密切削
1.
Analysis on the Friction in Ultra-precision Turning Based on Finite Element Method;
基于有限元法分析超精密切削中的摩擦问题
2.
The crystallographic relations of machined crystal plane and slip plane involved in ultra-precision turning and the mechanics characteristic of single crystal silicon are studied.
分析了单晶硅超精密切削时被加工晶面和滑移面间的相对关系以及单晶硅的力学特性,基于单晶硅超精密切削加工脆塑转变机理,模拟了分别以单晶硅(111)(、110)(、100)晶面为被加工面时的表面质量的各向异性特性。
3.
The application of genetic algorithm for the surface roughness pred iction model in ultra-precision turning is proposed by a practical example Mathe matics model is introduced and optimal results are given.
提出将遗传算法(GA)用于超精密切削表面粗糙度预测模型的参数寻优,并给出了金刚石刀具超精密切削铝合金的表面粗糙度预测数学模型,进行了遗传算法(GA)和最小二乘法的比较,结果表明遗传算法较最小二乘法更适合于粗糙度预测模型的参数寻优。
5) ultra-precision cutting
超精密切削
1.
The ultra-precision cutting is of the interaction between knifepoint geometry of the tool and work-piece.
指出超精密切削实际上是刀具刀尖部分与工件的相互作用,分析了金刚石刀具刀尖几何形状和切削刃的锋利度对超精密切削加工质量的影响。
6) Reversible fine cutting
逆向精切削
补充资料：超精硬切削发展领域的变革
图1 Ultrasonic 20直线驱动机床可以扩展到多达5根轴，并将带来超精硬切削发展领域的变革。C轴的力矩电机和A轴无浮动的伺服传动电机可以产生5轴切削需要的精度和高效能。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条