Hence, the hardness of the tool and the degree to which it remains its hardness at high temperature are important in the selection of a cutting-tool material.
因此，刀具的硬度和它在高温下所能保持的硬度是选择切削刀具材料时的重要因素。
On the basis of improving cutting-tool angle and operating method, the machining efficiency is raised, the difficulties in processing inside whorl are also solved.
通过改进刀具角度及操作方法，提高了加工效率，解决了内螺纹加工的难点。
Danny: By moving a cutting tool against a rotating workpiece.
丹尼：通过将切割刀具移近旋转的工件。
Various cutting tool materials have been used in the industry for different applications. A number of developments have occurred in the current century.
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。
BORE: The process of enlarging an existing hole with a rotating cutting tool.
镗孔：使用旋转式切削工具扩大孔的过程。
Various cutting tool materials begin to lose their hardness at different temperatures.
不同的切削刀具材料在不同的温度点开始软化。
The cutting tool material should therefore have high abrasion resistance to improve the effective life of the tool.
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 metal cutting tool separates chips from the workpiece in order to cut the part to the desired shape and size .
为了要把加工的零件切削成所要求的形状与尺寸，金属切削刀具就要从工件上切除切屑。
The metal cutting tool separates chips from the workpiece in order to cut the part to the desired shape and size.
为了要把加工的零件切削成所要求的形状和尺寸，金属切削刀具就要从工件上切除切屑。
The background and basic principles of dry cutting and its demand for the cutting tool are presented in this paper.
本文介绍了干切削产生的历史背景、基本原理及干切削对刀具的要求与实现途径。
By time series analysis, we build models depicting the cutting tool states, coacervate information from dynamic date and construct feature vectors for discrimination.
通过时间序列分析建立反映切削状态的数学模型，从动态数据中凝聚信息，构成用于判别的特征向量。
It indicated that the synthetic diamond tool is almost the only suitable cutting tool.
烧结金刚石几乎是能胜任其切削加工的唯一刀具材料。
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.
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。
Successful design of tools for the material removal processes requires, above all, a complete understanding of cutting tool function and geometry.
为材料的去除工艺而成功设计的刀具，首先需求的是对工具功能和形状的彻底了解。
The performance characteristics of several new cutting tool materials are reviewed.
这里主要介绍几种新型刀具材料的性能特点。
Advanced foreign cutting tool products will be mentioned as examples.
并举例国外的先进刀具企业的产品为说明。
Physics of metal-cutting provide the theoretical framework by which we must examine all other elements of cutting tool design.
金属切割的物理学提供了理论框架，我们必须借助于这个框架检查切割刀具设计的其他所有要素。
It has already been stated that the workpiece must be located relative to the cutting tool, and be secured in that position.
已经说明了工件必须相对于切削刀具定位并确保到位。
Acoustic emission (AE) is a new method for cutting tool condition monitoring.
声发射是一种新的切削刀具状态的监测方法。
The results show that the effects on surface roughness are feed speed, depth of cutting , tool rake angle and parts hardness in turn.
结果表明：工件进给速度对表面粗糙度的影响最大，切削深度和刀具前角次之，工件硬度影响最小。
The monitoring principle which includes machine tool vibrancy, principal axis displacement, cutting tool temperature, cutting force of cutting tool, temperature field of turner is discussed.
论述了对机床的振动、主轴的位移、刀具温度、刀具切削力、旋转工件温度场进行监测的原理。
Figure 3-2 illustrates the necessary relationship between cutting tool and the workpiece for chip formation in several common machining processes.
图3 - 2说明了在一些普通切削成型加工工艺中，切削刀具和工件之间必要的关系。
Despite the difficulties, avoiding deforestation is regarded as a crucial tool for cutting emissions.
尽管困难重重，避免砍伐森林被认为是降低气体排放的有效手段。
Before we discuss the properties of these materials, let us look at the important characteristics expected of a cutting tool material.
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。
The actual separation of the metal starts as a yielding or fracture, depending upon the cutting conditions, starting from the cutting tool tip.
金属的实际分离始于屈服或断裂(视切削条件而定)，从切削刀尖开始。
The actual separation of the metal starts as a yielding or fracture, depending upon the cutting conditions, starting from the cutting tool tip.
金属的实际分离始于屈服或断裂(视切削条件而定)，从切削刀尖开始。
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