Usage and maintenance of welding and cutting machines(73)——Typical usage and maintenance of welding torch and cutting torch;
焊接与切割设备的使用和维修(七十三)——焊炬、割炬的使用与维修
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
pipe rotation, torch travel along pipe, torch bevel and torch bevel rotation, reference planes were also defined, the parameters for NC cutting such as intersecting curve, local dihedral, torch bevel angle and torch bevel rotation angle were expressed in parametrical e.
将切割运动分解为管的回转、割炬平移、割炬倾斜和割炬倾角旋转四轴运动,定义了建立数学模型所需参考平面,给出了数控切割时相贯线、局部两面角、割炬倾角和割炬倾角旋转角各参数的参量表达式。
In order to solve the problem of processing the three-dimensional curved surface in intersecting curve with groove cutting at the end of pipe, the ensurance of torch track and the selection of torch pose become the key to better processing quality.
针对管端相贯线坡口切割过程中存在三维空间曲面加工问题,研究割炬轨迹的保证和姿态的选择是获得良好加工质量的关键。
According to the theory of analytical geometry of three dimensions, the mathematical model of pipes intersection is given, which use parameter equations to describe the geometry shape of welding groove of pipes intersection and can be used in four-axis interlock numerical-controlled torch pipe cutting machine.
针对4轴联动火焰数控切管机,分析了管端相贯焊接坡口数控切割运动,将切割运动分解为割炬绕被切管的回转、沿管轴线的平移及在轴剖面内的倾斜、垂直于切割轨迹的4轴联动,给出了数控切割所需相贯线、两面角、实际切割角等参数的参量表达式。
The relations of water vapor condensation heat fluxes with surface subcoolings on coated surfaces were determined experimentally,and the experimental results with and without dividing surfaces with the ratio of 1:1 were also compared.
实验测定了相同操作条件下涂层表面1:1分割前后水蒸汽冷凝传热通量与表面过冷度的关系,对分割表面上滴膜共存冷凝进行了研究,结果表明,分割表面上滴膜共存时的热通量比全部为滴状和膜状冷凝表面热通量的平均值大,且其差值随处理表面上接触角的增大而增大。
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
The capacitance automatic height adjusting control system of lar-ge flame cutting machine is presented in the paper.
本文介绍了大型火焰切割机单割炬电容自动调高控制系统。
Torch and torch relay:
奥运火炬与火炬传递：
The Olympic Torch relay requires 10,000 torches.
奥运会火炬接力将需要1万只火炬。
A great torch may is light at a little candle.
小蜡烛点亮大火炬。
The torches flamed in the wind.
火炬在风中熊熊燃烧。
flame-treating head
火焰热处理用焰炬头
The torch flared in the darkness.
火炬在黑暗中闪光。
The enormous torch darted forth its beams.
那巨大的火炬光芒四射。
On the right side of the torch is an oak branch.
在火炬的右侧是橡树枝。
The youngest person chosen, Sondra will carry the torch in Seattle later this month.
她是最年轻的火炬接力员，本月底，她将在西雅图接过火炬。
The last runner carries the torch into the Olympic stadium
由最后一个火炬手把奥运火炬传递到奥林匹克运动场
The torch is lit by the sun in Greece and then passed from runner to runner in a relay to the host city.
奥运火炬在希腊由太阳光点燃，然后由火炬手分程传递到举办城市。
capacitively coupled microwave plasma torch
电容耦合微波等离子体焰炬
The dry forest went up like a torch.
干燥的森林像火炬一样燃烧起来。
The Torch Has Heen Passed to a New generation of Americans
火炬已经传给新一代美国人
The youngest torchbearer and her mom make a team
最年轻的火炬手与母亲成对
