刀具

It introduces the module for choosing sharpeners, which is the one for the benefit of economy, society and environment through considering synthetically function, quality, cost, service and the like and a fundamentally effective way for the survival and development to enterprises.

为此本文提出了刀具选择模式，它是以经济效益、社会效益和环境效益为目标，以环境影响和资源利用为前提，综合考虑功能、质量、成本和服务等因素进行的刀具选择，是从根本上有利于企业的生存和发展的有效方法。

There are plenty of grits and screes in stratum of Beijing area . Shield machine cutter suffers from high stress grain-abrasion and impact when it constructs subway by shield method .

北京地区地层中含有大量的砂砾和卵石，地铁盾构施工时，盾构机刀具受到砂砾，卵石的冲击和高应力磨粒磨损，进口盾构机刀具的挖掘长度仅为250米左右。

In the paper,the working principles of the cutting tools are analyzed,the wearing of the cutting tools during the shield boring is investigated,analysis and study are made on the features of and causes for the wearing of the disc cutters and scrapers,the reasons for the wearing are summarized and some recommendations are made.

在对刀具切削原理的分析和盾构掘进中的刀具磨损情况进行了现场调查的基础上，对滚刀和刮刀的磨损特点及原因进行了分析和研究，指出了磨损的主要原因，最后提出了合理的建议和意见。

In the paper,the working principles of the cutting tools are analyzed,the wearing of the cutting tools during the shield boring is investigated,analysis and study are made on the features of and causes for the wearing of the disc cutter s and scrapers,the reasons for the wearing are summarized and some recommendations are made.

在对刀具切削原理的分析和盾构掘进中的刀具磨损情况进行了现场调查的基础上，对滚刀和刮刀的磨损特点及原因进行了分析和研究，指出了磨损的主要原因，最后提出了合理的建议和意见。

Variations in the shapes of the cutting tool influence tool life, surface finish of the workpiece, and the amount of force required to shear a chip from the parent metal.

刀具在形状上的变化影响着刀具的寿命，成型工件的表面状况，和从基材上切下碎屑所需的力。

Hear a chip from the parent metal.

刀具在形状上的变化影响着刀具的寿命，成型工件的表面状况，和从基材上切下碎屑所需的力。

Established the crank fillet to rolling strengthened the equivalent column mechanics model, inferred has calculated the crank and rollings the cutting tool design parameter, rollings the cutting tool disposition situation as well as the material performance parameter limit rollings the load the formula, proposed the crank rollinged strengthened the increase principle and the limit rollings the load the definite method.

建立了曲轴圆角滚压强化的当量圆柱力学模型，推导了曲轴和滚压刀具结构参数、滚压刀具配置情况以及材料性能参数的极限滚压载荷的计算公式，提出了曲轴滚压强化的加载原则和极限滚压载荷的确定方法。

Our main effort focuses on professional manufacturing and regrinding of precise metal cutting tools for our customers.

本公司主要经营精密金属切削刀具的专业修磨、非标刀具专业制造和涂层业务。

It has the capability to independently design, manufacture all kinds of high-accuracy gear, and integrate the tool testing with tool regrinding.

具备独立设计并制造各类高精度齿轮、刀具检测和刀具复磨的一体化生产能力。

Dongguan Zwcut Cutting Tools Co.,Ltd ,massively LMT GUHRING GERMANY.The solid carbide cutting tools,such as the drills,the milling cutters,the reamers,PCD end mills,PCD or CBN cuttingtools the boring cutters and the cutters to process the holes are manufactured in the factory .Aad all sorts cutters whkse manufacturing prkcesses are very difficult,can be designed and

东莞市卓王切削工具有限公司：选用德国蓝帜，钴领的棒材，主要生产全钨钢钻头，全钨钢立铣刀，全钨钢机用铰刀，全钨钢钻铰刀，全钨钢镗刀，全钨钢锯片铣刀，成型刀具，金刚石成型铣刀，成型车刀等，并为客户设计制做各种奇难特殊刀具。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。