开发各种具有优良耐磨性和高稳定性的超硬切削刀具是发展趋势。
It is a developing tendency of studying excellent wearing resistance and high stability.
高速切削、干切削、硬切削等新的切削工艺正在改变一些行业的传统加工工艺，显现出强大的生命力。
High speed cutting, dry machining, hard machining and other new cutting technology is changing the traditional processing technology in some industries, show a strong vitality.
分析了切削硬岩时的刀具磨损和破损特征。
采用导电加热切削技术切削淬硬钢的特点在于：可以采用普通机床、硬质合金刀具对淬硬钢进行硬车削加工。
The feature of machining harden steel by means of EHM are: it can utilize the carbide tool to machine the harden steel in engine lathe.
PCBN刀具是一种重要的超硬材料刀具，被广泛认为是应用于现代切削加工的理想刀具材料。
PCBN is one kind of the important superhard tool materials and is widely supposed to be an ideal tool material for modern cutting technology.
对塑性状态下切削硬脆材料的方法进行了归纳和分类。
The way of cutting hard brittle material in a plastic state is classified.
本文首先阐述了硬脆材料的特性，进而建立了其切削模型。
Cutting model of hard and brittle materials is established after their properties are analysed.
根据实验观察，采用热氧化法对高速切削的淬硬钢切屑成色进行分析，以此判断在切削过程中切屑经历过的切削温度。
It analyses analyzed the colors of hardened steel under the conditions of the high-speed cutting by the thermal oxidation method, and the cutting temperatures are estimated.
切削加工成形后可以进行渗碳处理，用来制造表面硬、中心韧性高的仪器仪表零件及轴类耐磨件。
Cutting processing after forming can be carburizing processing, used to make the surface hard, center of high toughness instrumentation parts and axis wear parts.
提出了在塑性状态下切削非金属硬脆材料的加工思路。
This paper introduces a new processing think of cutting hard brittle material in a plastic state.
新型切削齿及高密度保径布齿提高钻头在硬研磨性地层中的使用寿命。
New type PDC cutters and heavyset gage design promote longer bit life in hard and abrasive formations.
切削刀具必须比要切削的材料硬。
The cutting tool must be harder than the material to be cut.
研究了实际的精密镗削系统及其切削数据，用计算方法探讨了用于计算超硬钢镗削切削力的系数。
The article studies a virtual fine boring system and its cutting data and presents a method to calculate the coefficient of cutting force when boring super-hard steel.
氮化硅陶瓷是一种新型刀具材料，其优良的切削性能解决了超硬材料的加工难题。
As a new type tool material, the excellent capabilities of silicon nitride ceramics cutting tools ravel out many cutting problems of super hard materials.
性能：白色，较棕刚玉硬而脆，切削力较强，化学稳定性好，具有很好的绝缘性。
Property: lt is white and harder and more brittle than A. lt features strong cutting force and steady chemical property and excellent insulation.
精密硬态切削表面白层的形成是剧烈塑性变形导致的。
The severe plastic deformation is the main mechanism of white layer formation during precision hard part machining process.
为预测缺口裂纹对加工表面形成的影响，研究了切削脆硬材料时缺口裂纹的扩展。
In order to predict effects on machined surface by developed notch-crack, crack extension mechanism of notch-crack-tip was investigated in cutting brittle materials.
白刚玉微粉性能：白色，较棕刚玉硬而脆，切削力较强，化学稳定性好，具有很好的绝缘性。 。
Property:It 5 is white and harder and more brittle than A. It features strong cutting force and steady chemical property and execllent insulation.
从理论上提出了改善硬脆材料加工质量的方法，并给出了硬脆材料高效切削加工的应用实例。
The methods to improve the machining quality of these materials are proposed theoretically. The example of high effective machining of the materials is given.
本文通过实验，研究了切削用量及刀具几何参数等因素对硬岩切削力的影响规律；
On the bas of the rock cutting experiment, characteristics in the effect of the factors like the cutting data and tool geometries and etc on the hard rock cutting forces are studied.
淬硬钢制成的零件具有一系列优良性能，用切削代替磨削加工这些零件，具有明显的优点。
Parts made of hardened steel have good performance. It has obvious advantages to substitute cutting for grinding these parts.
介绍了选择铸铁切削用刀具需考虑的因素，可用于不同牌号铸铁的切削用刀具新材料有硬质合金刀具、陶瓷刀具、金属陶瓷刀具和超硬刀具。
Vital meaning of materials gained attentions in cutting tools for casting iron and influential factors for tool selection in cutting casting iron are introduced.
介绍在硬齿面直齿锥齿轮刮削加工中研中心孔磨内孔的技术要求；机床调整，切削速度，刮削量及次数的选择。
The introduction is the strong and straight cone the wheel gear pare away to process the inside, whetting center the bore, whetting the inside bore in the strong wheel gear.
特别是JT9和JT11刀具，不但刀具磨损量小，加工表面质量好，而且在切削45钢和45淬硬钢时切屑为崩碎切屑。
Especially the tool wear size of JT9 and JT11 is small and the machined surface quality is high. In cutting 45 anneal steels and 45 hardened steels by JT9 and JT11 tools, chips were segments.
硬钢的高速切削。
介绍了刀具材料、可转位刀具、双向定位刀夹、干式切削、硬态切削等切削技术方面的新进展。
Presented in this paper is a new advance in cutting tool material, index cutting tool, cutter holder for bidirection fixed position, dry type cutting, hard stale cutting etc.
介绍了刀具材料、可转位刀具、双向定位刀夹、干式切削、硬态切削等切削技术方面的新进展。
Presented in this paper is a new advance in cutting tool material, index cutting tool, cutter holder for bidirection fixed position, dry type cutting, hard stale cutting etc.
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