They master arc, resistance, high-energy beam, and solid-state welding.
他们掌握电弧，热阻，高能束，和固态焊等。
The first region and the second region are either directly or indirectly joined by solid state welding to form a unitary fluid conducting part.
第一区域与第二区域通过固态焊接进行直接或间接结合，以形成整体流体传导部件。
The first and second regions are either directly or indirectly joined by solid state welding to form a unitary fluid conducting replacement part.
第一与第二区域通过固态焊接既可直接地也可间接地结合，以形成整体的流体传导置换部件。
The models of cylindrical, triangular and square pins are created to predict the effect of the pin shapes on the material flow in the steady-state welding.
为分析搅拌针的形状对点焊稳态过程流场的影响，建立了圆柱形、三角形和方形三种不同形状的搅拌针模型。
It is proved by fractal theory that the welded state of every micro zone at welded surface is uneven in the formation process of isothermal superplastic solid-state welding joint.
这也从分形理论的角度证明了在超塑性固相焊接头的形成过程中，焊接面各微区的焊合状态是非均匀性的。
Weldability of high alloy tool steels is analyzed, the application of fusion welding, brazing and solid-state welding in the welding of high alloy tool steels had been summarized.
高合金工具钢的焊接性能较差，但高合金工具钢的焊接在工业上有较广泛的应用。
A new solid state welding technique is discussed in this paper. It means that the materials will be joined at solid state under certain deformation conditions after the surfaces are quenched by laser.
探讨一种新的固态焊接技术，即对待焊接面激光处理后，再在一定变形条件下实施固态压接。
The influence of the parameters such as surface treatment state, laser output power, welding speed, protective atmosphere, and pulse frequency on the welding quality was studied.
研究了试件表面处理状态、保护气体、激光输出功率、焊接速度、激光脉冲频率等工艺参数对焊接质量的影响规律。
Welders should be trained according to prescribe by the state authority, and mastering proper techniques of welding, only with special type of certificates then can be allowed to work formally.
焊工必须按国家有关规定经专门的安全作业培训，掌握焊割安全技术，取得特种作业资格证书后，方可上岗操作。
It is because of the existence of the nonlinear inductor that the instantaneous working state of the welding transformer is hardly to be analyzed with classical electrotechnical theory.
正是由于非线性电感的存在，造成难以用经典的电工学公式适时分析焊接变压器的工作状况。
Also, the relations between the welding strength and the material properties as well as metallographic state are investigated.
研究了触头熔焊强度与金属材料性质参数及金相状态间的关系。
Arc welding process is a very complicated process with many interacting factors mixed together, so the transient state of welding process is related to many parameters.
电弧焊接过程是一个多因素交互作用的复杂过程，焊接过程的状态与许多参数有关。
RBF Network and SVM model are used to set up the image model of arc sound signal and welding state in order to realize the pattern recognition on-line of the welding conditions.
利用R BF人工神经网络及SVM模型建立电弧声信号与焊接状态的映射模型，从而实现焊接过程状态的模式识别。
A numerical method is presented for the two dimensional quasi steady state heat transfer on high power density laser welding processes according to the keyhole model.
对高能量密度激光匙孔焊接过程的二维准稳态传热进行了计算方法的研究。
Electric current is classified into welding state stabilization impulse and welding impulse in this control method.
在这种控制法中电流分为焊接状态稳定化脉冲和焊接脉冲。
PLC is the core of this device, supplemented by the touch screen to set and modify the welding parameters and display the state of welding process parameters.
该设备以PLC为控制核心，辅以触摸屏进行堆焊参数的设置和修改，并实时显示堆焊过程中的参数状态；
Varying frequency is used to control AC pulse frequency in normal welding state.
正常焊接状态时变频控制交流脉冲频率。
This article introduces a new design plan of soft switch invert welding power source, which can almost get in soft switch state under no-load, short circuit or load.
提出了一种新的软开关逆变弧焊电源的设计方案，该方案基本上可实现空载、短路、燃弧全负载范围内的软开关状态。
As for welding seams of the same heat treatment state, the hardness of welding seam area depends on different welding wires.
对于同一种热处理状态的焊缝，焊缝区的硬度取决于不同的焊丝。
When the positioning bearing block is in spin welding along with the cylinder body, a cantilever screw rod shaft is in a relatively stable state to satisfy automatic welding.
定位轴承座随筒体旋转焊接时，悬臂螺杆轴处于相对稳定，满足于自动焊接。
Third, it determines the needed-to-monitor state parameters by analyzing the actual running status and working condition of the hydraulic control system of the flash welding machine.
第三，分析焊机液压控制系统实际运行状态及工况，确定其需要监测的状态参量。
The design and function of the solid state high frequency welding are introduced, at the same time the setting of the state signal measuring point in solid state high frequency welding is presented.
介绍了固态高频焊机PLC控制系统的设计和功能，以及固态高频焊机状态信号检测点的设置。
Chengdu Zhenzhong Elicetric Welding Machine Works, established in1991, is located in the state-level development zone-Chengdu Cconomic and Technological Development Zone.
成都振中电焊机厂创建于1991年，位于国家级开发区-成都经济技术开发区内。
The high repetition rate LD pump Q-switch solid state laser has been widely used in a lot of fields, such as the laser communication, optical storage, marking, welding and ranging radar.
激光二极管泵浦的高重复频率调Q固体激光器在激光通信、光存储、打标、焊接和测距雷达等方面已经获得了广泛应用。
Steady state harmonic current is calculated based on the magnetic characteristic curve of welding transformer. The results show that 3rd harmonic component is the main composition.
根据弧焊变压器磁滞回线的测试结果，对弧焊变压器的稳态谐波电流进行计算，结果表明弧焊变压器空载谐波电流的主要成分为三次谐波。
Steady state harmonic current is calculated based on the magnetic characteristic curve of welding transformer. The results show that 3rd harmonic component is the main composition.
根据弧焊变压器磁滞回线的测试结果，对弧焊变压器的稳态谐波电流进行计算，结果表明弧焊变压器空载谐波电流的主要成分为三次谐波。
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