Design and application of CAD/ CAM system of broaching tool for enterprise

Investigation on automatic design method of broaching tool by CAD

拉刀CAD自动设计方法的探讨

With the system we have designed and machined the broaching tool that has used to machine slippage gears in the gearbox of tractor.

应用该系统设计制造了拖拉机变速箱滑移齿轮花键孔拉刀并进行了加工实践，使用结果表明：被加工齿轮花键孔参数符合设计要求。

In this paper, friction surface of broach is designed according to the idea of bionic micro-texture to achieve the purpose of reducing cutting force and improving cutting efficiency.

本文将采用仿生微织构的设计思想来设计这种拉刀的摩擦表面，以达到降低拉削力、提高拉削效率的目的。

The diffusion distances of resinous liquid in dentin at the introduced time of 30, 60 and 90s with file, smooth broach and cotton reservoir were investigated in the in vitro experiments.

对塑化液采用不同导入时间（30、60、90s），不同导入方法（锉，光滑髓针，棉捻）在牙本质内扩散距离的影响进行了离体牙实验。

The failed keyway broach was analysed by chemical analysis, hardness testing and metallograph-ic examination.

对断裂单键拉刀进行了化学成分分析、硬度测定和金相检验。

Analysis on earlier fracture of keyway broach

单键拉刀早期断裂分析

Initiation, propagation and termination of the polymerization of butadiene catalyzed by Fe ( naph)_2 Al ( I Bu)_3 Halides system have been investigated.

本文考察了Fe（naph）2-Al（i Bu）3卤化物体系催化丁二烯聚合的链引发、链增长和链终止反应。

Ring opening alternating copolymerization of phthalic anhydride and propylene oxide by nd ( naph) 3 al ( I bu) 3

Nd（naph）3-Al（i-Bu）3催化邻苯二甲酸酐与环氧丙烷交替共聚

Polymerization of butadiene with ni ( naph)_2 al ( I bu)_3 bf_3 · roh catalyst system

Ni（naph）2Al（i Bu）3BF3·ROH体系催化丁二烯聚合Ⅰ丁二烯的聚合行为

Study on Synthesis of cis 1,4 polybutadiene with ndcl_3 · tbp al ( I bu)_3catalyst system

NdCl3·TBP Al（i Bu）3催化体系合成高顺式聚丁二烯的研究

The main reduced product of Ni ( naoh) 2 by Al ( I Bu) 3 was Ni 0;

得出Ni（naph）2被Al（i－Bu）3还原的主要产物是Ni0；

The reaction of FeCl 3 and Al ( I Bu) 3 produces colloidal particles.

Al（i-Bu）3以缔合状态存在并解离成离子对，它与FeCl3作用是形成胶粒的主要反应；

Study on phase state of FeCl 3 al ( I bu) 3 phen catalyst system for Butadiene Polymerization

丁二烯聚合反应用FeCl3-Al（i-Bu）3-Phen催化剂体系相态的研究

One very much bustles about all day oneself, the time does not remember you for oneself!

让自己一整天都很忙碌，不给自己时间去想起你！

Remember: Keep oneself, elimination enemy that it could be better!

记住：保存自己，才能更好的消灭敌人！

Because I don't remember doing anything to get you this mad at me.

我实在记不起做了什么让你这么生气的事

You could turn and go back to the last thing you remember doing with your whole heart.

你可以回头，回到你记忆中上一次全心全意做的那件事当中。

I don't even remember doing it!

我自己都不记的我干过！

I don't remember doing any work this weekend.

我不记得周末有赶工。

I got some good shots of people at the party.

我给参加聚会的人拍了几张精彩的照片。