Research on NC Programming of Thread Cutting Process and Precision

1、

Improvement and Realization of Processing Accuracy for Numerical Control Thread Cutting

数控线切割机床加工精度的提高与实现

互联网摘选

2、

It is no doubt that the sea engineering is one of the most important lead A new problem is meet with discovering a new and high efficiency underwater cutting technology for the sea engineering.

寻求新型高效水下切割技术则是满足海洋工程建设重要课题。

互联网摘选

3、

The performance, characteristics and principal technical datum of GSS-800 consumable electrode water jet semiautomatic underwater cutting apparatus are also outlined.

扼要介绍了GSS-800型半自动熔化极水喷射水下电弧切割设备的性能，特点和主要技术参数。

互联网摘选

4、

In addition, cut hardness decreases, heat affected zone width reduces and the size of grain gets smaller during underwater cutting.

超声频脉冲的作用还使得水中切割时切口硬度降低，热影响区宽度降低、晶粒变细小。

互联网摘选

5、

Underwater Cutting of "Tai Shan" Floating Dock Slideway

泰山号浮船坞滑道的水下切割

互联网摘选

6、

Research on Underwater Cutting Technology of Diamond Wire Saw and Development of Engineering Prototype

水下金刚石绳锯机切割技术的研究与工程样机的研制

互联网摘选

7、

Realization of underwater cutting environment and experimental study on erosion performance with underwater jet

水下切割环境的实现及射流冲蚀性能试验研究

互联网摘选

8、

On the study of underwater cutting using water jet technique

采用喷水技术水下切割的研究

互联网摘选

9、

A New Type of Taper Thread Cutting Head

新型锥螺纹切头圆锥式破碎机的设计

互联网摘选

10、

Main motivation, cutting head and dynamic slide.

主要有动力箱、切削头和动力滑台。

互联网摘选

11、

Gas chromatographic analysis technique for cutting head space gas and its application in hydrocarbon exploration

岩屑罐顶气气相色谱分析技术及其在油气勘探中的应用

互联网摘选

12、

Mechanical Parameter and Energy Model of Rotary Cutting Head Flying Shears

滚筒式切头飞剪力能参数与能量模型

互联网摘选

13、

Cutting head movement and feed are used linear bearing motion pair.

机头移动和进给均采用直线轴承运动副。

互联网摘选

14、

Torque calculation model of cutting head in shield machine and experimental study

盾构刀盘驱动扭矩计算模型及实验研究

互联网摘选

15、

Properties, Design and Use of Combined Cone Type Cutting Head

组合式牙轮钻头的特性、设计和使用

互联网摘选

16、

Numerical control system for steel plate cutting machine with attitude controllable cutting nozzle

可控切割嘴姿态角的钢板火焰切割机数控系统

互联网摘选

17、

Through lowering the air inlet total pressure, reducing the compression angle of air, increasing the nozzle length, cutting down the nozzle radius and the axial gap of electrode, the arc ignition energy can be improved.

通过减小流动压差、缩小空气压缩角、增加喷孔长度、减小喷孔半径以及减小轴向间隙等可以有效提高电弧的点火能量。

互联网摘选

18、

In the cutting system, nozzle is one of the most important components and its geometric parameter directly influences cutting characteristics.

在磨料水射流系统中，切割喷嘴是关键部件之一，而喷嘴的几何参数设计直接影响切割性能。

互联网摘选

19、

Torch height controller is used to adjust the distance between steel plate and cutting nozzle, in order to assure cutting quality and prolong the using of the cutting nozzle.

无论是火焰还是等离子切割，都必须保证割嘴离钢板的高度处于最佳的状态，从而得到最佳的切割效果和最长的割嘴使用寿命。

互联网摘选

20、

Taking into consideration all the requirements based on the design of a high pressure water abrasive cutting nozzle, and a number of dimensions is analyzed.

综合考虑各种要求的基础上设计了一种高压水切割用磨料喷头，并对一些尺寸参数进行了分析。

互联网摘选