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

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

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

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。

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。

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。

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。

Numerical Simulation Study on Structure Design and Parameters Optimization of High Pressure Water Jet Cutting Nozzle

高压水射流切割喷嘴的结构设计和参数优化数值模拟研究

Investigation of Cutting Nozzle in High Pressure Water Jet

高压水切割喷嘴的研究

Lifting mechanisn of cutting torch for portal flame cutting machine

门式火焰切割机开条割炬升降结构

The Approach About the Cutting Torch Cuts Slab Regularly after Ethernet Has Trouble

H1网故障切割机正常切割板坯的研究

Cutting torch already can be held by hand, and could be carried out underwater.

切割炬已经可以手持，并可以进行水下切割。

Capacitance Automatic Height-Adjusting System for Single Cutting Torch of the Cutting Machine

切割机单割炬电容自动调高控制系统

Cutting torch would take too long.

切割花的时间太长了。

The Research and Application on the Plasma Cutting Torch Body Underwater

水下等离子割炬体的设计研究与应用

New type of cutting torch based on water vapor plasma arc

一种基于等离子弧的水蒸气割炬

In the practical application of the equipment, fracture splitting defects such as drop clinker and slag inclusion can be reduced and the laser cutting parameters and hardness of lower limit can be improved.

裂解槽激光加工自动化设备在实际应用中，能够减少爆口、夹渣等裂解缺陷，并可以通过改变激光切割参数，改善硬度处于裂解工艺要求下限的连杆的裂解质量。

The most important properties of cutting tools are hardness at high temperature, wear resistance, and impact strength.

切削刀具最重要的性能是在高温下能保持的硬度、耐磨损和冲击韧性。

A Study of Martensitic Stainless Steel with Free-Cutting and High Hardness

易切削高硬度马氏体不锈钢研究

This material possesses high strength and toughness, its wear resistance being similar to that of ceramics. As a result, these tools show good performance in cutting high hardness materials.

这种刀具材料的耐磨性与陶瓷材料相近，并具有较高的强度和韧性，在切削高硬度材料时表现出良好的性能。

By cutting different hardness concrete experiment, the cutting characteristics of the special saw with holes or different width segment have been studied.

对多孔锯片及非等间距锯片进行了锯切三种不同硬度的混凝土的实验研究。