查询词典 cutter

A crowned gear may be shaved by a modified plunge shaving cutter which is designed and manufactured based on the one to one mapping principle that means the axial modification of the cutter corresponds that of the crowned gear to be shaved. The calculation algorithm is given in dissertation.

考虑到目前国内的加工条件，本学位论文通过构造标准渐开螺旋面，令两齿面在中截面上节圆处重合，并采用计算机数值算法，求解了径向剃齿刀相对渐开螺旋面在齿形、齿向的修形量，从而使径向剃齿刀可以采用普通剃齿刀磨床加工。

The paper includes the kinematics of PDC bit, the rock cutting mechanism of a single PDC cutter and multiple PDC cutters, the design theory and method of the spatial orientation of PDC cutter work surface, the arrangement, theory and method for placing PDC cutters onto bit body, and so forth.

研究内容包括PDC钻头运动学、PDC钻头单齿破岩规律、重迭及覆盖条件下PDC切削齿的破岩规律、PDC钻头切削齿工作面空间方向的设计理论及设计方法、PDC钻头设计时的布齿理论及布齿方法等。

With differential geometry knowledge, the local characters of the blade surface are analyzed. Based on researching the cylindrical cutters osculating location, the methods to calculate the osculating location of the conic cutter and the torus cutter are discussed. A method of tool path planning based on the second order osculating method is preferred.

利用微分几何学知识，分析了螺旋桨桨叶曲面的局部特征，在研究圆柱刀二阶密切法规划刀位的基础上，探讨了圆锥刀和圆环刀的二阶密切刀位计算方法，采用二阶密切法规划刀位可以显著地提高加工精度。

For rrepublic the paper cutter for cutting machining, and so on must be to ensure the security of personal and machines for the sake of Cutter's practice mainly in the following points

答。切纸机进行开料加工等操作时必须以保证人身和机器的安全为前提，切纸机的操作规程主要有以下几点

You can also choose any size paper cutter, manual or electric, which has to be cut to three terms, and is a relatively asphyxiatio pertoris; the third approach is to use computer-controlled single-knife cutter, which can rotate and positioning of the books.

还可以选择任何大小的切纸机，手动或是电动的，这种方面也得切三刀，是一种比较耗劳力的方法；第三种方法是使用计算机控制的单刀切纸机，它可以旋转和定位书籍。

Objective To discuss errors of conformal plumbic blocks made with manual cutter and automatic cutter.

目的：探讨手动切割机与自动切割机制作适形铅挡块的误差。

Results With manual cutter, the errors of conformal plumbic blocks were 2.355 mm. With automatic cutter, the errors of conformal plumbic blocks were 1.425 mm.

结果：手动切割机制作的适形铅挡块平均误差为2.355mm，自动切割机制作的适形铅挡块平均误差为1.425mm。

In addition to business card printing and membership card-making shop that an offset printing press Heidelberg TV lineup, Liyuan business card printing and membership card in membership card after processing has a "" dream team: one Pola 137 cutter, two Pola 115 cutter and gestal KHC78 folding machine.

除了制卡和会员卡制作车间里那四台海德堡胶印机的强大阵容外，建宏制卡和会员卡制作在会员卡制作后加工领域也有一支"梦之队"：一台波拉137切纸机、两台波拉115切纸机以及斯塔尔KHC78折页机。

According to the materials and purpose, differential presser foot 、 needle gauge 、 single cutter or double cutter are optional.

带有切边与分线功能，可根据不同的材料和缝纫目的选择不同的压脚、针、单刀还是双刀。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。