简要介绍了国内外新型刀具材料及其在汽轮机难加工材料切削中的应用。
The applications of new tool material to the cutting of difficult-to-process material of steam turbine at home and at aboard were presented.
实验在经改装后的铣床上进行，以聚碳酸酯作为刀具模型材料切削铅板。
The tests are carried out on milling machine after conversion. A model of cutting tool, made of polycarbonate, machines a thin lead plate.
综述了国内外在金属基复合材料切削加工性及机理方面研究的进展情况。
The advances in recent researches on MMCs' machinability are reviewed in this paper.
进行碳纤维复合材料切削加工时，易产生各种加工缺陷，刀具磨损快，尺寸控制困难。
It is easy to produce a lot of machining defects for carbon fibre composite material in cutting processing. Tools wear quickly and it is hard to control size.
指出陶瓷刀具材料切削磨损时的基本机理仍然是磨料磨损、粘结磨损、化学反应与扩散磨损。
It is finally pointed out that the main wear mechanisms of the ceramic tool materials are still abrasive, adhesive, chemical reaction and dispersion wear.
本文介绍模式识别技术在难加工材料切削状态识别中的应用，这是实现适应性控制的第一步。
Application of pattern recognition technique to recognition of cutting states for difficult-to-cut materials is introduced in this paper.
本文论述了利用激光辅助加热改善难加工材料切削性能的原理、方法，以及这种加工方式的可行性。
In this paper, the principle, method ana viability of using laser-assisted heating to improving the machinability for tough materials are described.
在工业中为了不同的应用可以使用各种各样的切削刀具材料。在最近的百年里产生了许多进展。
Various cutting tool materials have been used in the industry for different applications. A number of developments have occurred in the current century.
对一些应用来说，尤其是非常高速的切削很重要的场合，其它的工具材料比如硬质合金产品是比工具钢更经济的选择。
For some applications, especially where extremely high-speed cutting is important, other tool materials such as sintered carbide products are a more economical alternative to tool steel.
讨论这些材料性能之前，先看一下作为切削刀具材料应具备哪些重要特性。
Before we discuss the properties of these materials, let us look at the important characteristics expected of a cutting tool material.
在切削不同的直径不同的材料和工作时，车床必须以不同的速度加工。
On turning different materials and works of different diameters, lathes must be run at different speeds.
合金丝试样中部为变形磨损，侧面为微切削磨损，表现为典型的韧性材料冲蚀磨损特性。
The surface morphologies exhibit deformation wear in the middle and micro cutting wear in the sides, which indicate that all the samples exhibit ductile material characteristics in the erosion.
对金属切削有重要影响的条件有工件材料、刀具材料、刀具几何形状、切削速度、进给率、切削深度和所用的切削液。
The conditions which have an important influence on metal cutting are work material, cutting tool material, cutting tool geometry, cutting speed, feed rate, depth of cut and cutting fluid used.
热硬度，即材料由于存在于切削区的高温而升温时仍能保持其硬度的能力。
Hot hardness, which is the ability of the material to retain its hardness at elevated temperatures in view of the high temperatures existing in the cutting zone.
根据试验结果，确定适合加工该型号高强度钢的刀具材料和切削用量。
Based on the results of experiment, the suitable tool material and machining parameters are confirmed.
首先介绍了高速切削加工难加工材料的特点，通过对高速切削机理的研究，分析难加工材料高速切削加工的可行性。
Following the introduction of the characteristics and cutting mechanism of high speed machining, we educe the feasibility of the high speed machining difficult-to-machine materials.
由于刀具不施压力，因而是切削易碎材料的理想工艺。
Because no tool pressures are involved, the process is ideal for machining delicate workpiece.
不同的切削刀具材料在不同的温度点开始软化。
Various cutting tool materials begin to lose their hardness at different temperatures.
镁合金是比重最轻的结构材料，具有高的比强度、比刚度和良好的磁屏蔽性、阻尼性、切削加工性等优点。
As the lightest constructional material, magnesium alloy has high specific strength, high specific stiffness, good magnetic-shielding ability, good damping ability, and good machinability.
选用的材料种类和切削条件不同，可生成不同形态的切屑。
Different kinds of material and machining conditions used will produce chips of different shapes.
因此切削刀具材料应具有高耐磨性以提高刀具的有效寿命。
The cutting tool material should therefore have high abrasion resistance to improve the effective life of the tool.
对重型车床切削中的刀具材料、刀具角度、切削用量的选择以及刀具安装等工艺问题进行了分析。
The process problems in heavy lathe machining, such as the selection of tool materials, tool angles, cutting parameter, and the mount of tools are analyzed.
对三维光弹性试验的有关工艺，如材料制造、切削加工、冻结、切片等方面也提出了看法。
The authors however express their views on the technology of the three dimensional photoelastic test, such as material manufacturing cutting process, freezing and sectioning.
切削速度和材料硬度是决定切屑变形的两个主要影响因素。
And that cutting speed and material hardness are two main influential factors that determine chip deformation.
“新型化爆材料动态切削温度测试系统”这一课题来源于中国工程物理研究院重大基金项目(项目编号：2001Z 0301)。
The project of the new dynamical cutting temperature measuring system for chemical explosive material is funded by China Academy of Engineering Physical (NO. 2001z0301).
目的研制一种新型的钙云母增强陶瓷，探讨提高氟金云母类切削陶瓷材料强度的方法。
Objective To study the strengthening of fluorophlogopite based dental machinable ceramic through developing a new type of calcium mica based ceramic.
最后将薄膜热电偶温度传感器用于化爆材料模拟切削试验。
At last, TFT are applied to the chemical explosive material simulation cutting test.
最后将薄膜热电偶温度传感器用于化爆材料模拟切削试验。
At last, TFT are applied to the chemical explosive material simulation cutting test.
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