The temperature field of welding workpiece determines the stress field and strain field, and it is also the main factor affecting the weld quality and production rate.
焊接工件的温度场决定了焊接应力场和应变场,是影响焊接质量和生产率的主要因素。
In the developed CCD image sensor system, real-time collecting and disposing the welding temperature field image is realized by means of using the method of colorimetric temperature measure.
所研制的CCD图像传感器系统,通过采用比色测温的方法,实现了对焊接温度场图像的实时采集与处理。
Some methods used in the control of welding deformation, such as reverse deformation, system analysis, controlling process parameters and temperature field, are introduced.
同时介绍了控制焊接变形的几种方法,如反变形法、控制工艺参数、控制温度场以及系统综合分析等。
The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
The corresponding relations between temperature field and microstructure of welding zone were validated by comparing simulation results with microstructure morphology.
通过模拟温度场结果与焊缝区组织的比较,验证了不同的温度场与不同焊缝组织的对应关系。
To reveal the influence of forced convection on gas shielded arc welding temperature field, the infrared camera was used to investigate the temperature field of the base metal in CO2 arc welding.
为了研究强制对流对气体保护焊温度场的影响,通过红外热像仪检测了CO2气体保护焊的温度场,发现在熔池及其邻近区域温度呈圆锥型分布。
Considering the physical process of MIG welding, the numerical analysis model of the fluid flow and the temperature field has been developed.
综合考虑MIG焊接物理过程,建立了MIG焊接熔池流场和温度场的数值分析模型。
Welding temperature field numerical simulation method was able to forecast and reflect the real distribution of whole welding temperature field accurately.
焊接温度场数值模拟可以比较准确预测并反映整体焊接温度场实际分布。
To control the temperature of a valve body in the process of welding, it introduces a device based on C8051F021 to rapidly measuring and controlling the temperature field.
为实现焊接阀体在焊接过程中的温度控制,设计了基于C8051F021单片机的温度场快速测控装置。
The design and field experiment of a digital temperature controller for a hot pressure welding machine was discussed.
针对热压焊机的温度控制问题,进行了数字控制器的设计与验证。
To get the temperature field of discontinuous welding exactly, thermocouple and IR-image equipment were used.
为了准确、全面地得到间断焊的温度场分布规律,采用了热电偶和红外热像仪两套数据采集系统。
An axisymmetric finite element model is developed to simulate the temperature field of resistant spot welding according to the process of nugget formation of three layers stainless steel sheets.
根据三层不锈钢板电阻点焊熔核形成过程,建立了模拟三层板点焊温度场的轴对称有限元模型。
Temperature field distribution of weldment, which reflects complex welding heat process, is a basic on studying welding deformation, residual stress and so on.
焊件中的温度场分布反映了复杂的焊接热过程,是研究焊接变形、焊后残余应力等状况的基础。
The inertia friction welding process is a non-linear process because of the interaction between temperature field and material properties as well as friction force and thrust force.
焊接过程中的温度、材料热物性、摩擦力和顶锻压力的相互作用使焊接过程高度非线性。
But welding is a processing of local high temperature, the distribution of temperature field will affect the quality and performance of welding part.
但焊接成形是一个局部高温加热过程,温度场的分布影响焊接零件质量和性能。
Experimental research was conducted to verify the results of simulation. It can be concluded that the model can simulate the temperature field of TIG welding correctly.
采用热电偶测量了典型位置的温度场以验证模拟结果,结果表明,建立的模型能较准确地模拟薄板TIG焊的温度场。
The numerical simulated and experimental results accord with each other. It can be concluded that the temperature field of in-service welding can be simulated accurately by FEM.
温度场的模拟结果与试验结果吻合较好,采用数值模拟方法可以对在线焊接时的温度场进行较准确的模拟。
In this paper, relation between electron beam welding parameters and temperature field of beryllium is studied quantitatively with finite element method.
采用有限元方法,定量分析了电子束焊接工艺参数与铍环内表面温度的关系。
This thesis researches the temperature field measurement of the welding of electron beam in the vacuum and laser welding pool.
论文着重研究了真空电子束钎焊的温度场和激光焊接熔池温度场的测量。
The obtained transient temperature field can represent the basic characteristics of the real welding process and can be used as the foundation of thermal elastic-plastic analysis.
该温度场能够反映实际焊接过程的基本特征,可以作为焊接过程热弹塑性分析的依据。
The infrared thermal imaging system was used as a sensor to measure the temperature field of wrought magnesium alloy AZ31B during the laser-TIG hybrid welding process.
以变形镁合金az31 B为研究对象,采用红外热像仪拍摄镁合金激光- TIG复合热源焊接过程中的焊接温度场,提出一种基于红外辐射测温原理。
Verifying by experiments, this paper compares different model of welding heater, and discusses the influence of the temperature field on deformation result.
比较了不同热分布的热源模型的结果,与实验进行比较,讨论了热分布对计算结果的影响。
The method adopts visual sensor monitoring and captures images of field of welding temperature of back of weld.
该方法利用视觉传感来对焊缝背面焊接温度场热图像进行实时检测及处理,从而达到控制焊缝熔透的目的。
Based on theories of computational fluid dynamics and heat transfer, an axial symmetry finite element model of velocity and temperature field of spot welding for aluminum alloy is established.
根据计算流体力学与传热学原理,建立了描述铝合金电阻点焊液态熔核流动行为和传热过程的轴对称有限元模型。
Study on temperature field is a common method to study welding process because it is one of direct token of welding process.
焊接温度场以其为焊接过程最直接的外在表征而成为焊接过程研究的一种常用的研究手段。
Based on TPAW, finite element calculation of temperature field in keyhole plasma arc welding is conducted, and.
在此基础上,对小孔等离子弧焊接热场进行了有限元计算,分析了引弧后熔池及周围温度场的瞬时演变过程。
The temperature field and residual stress field of 3d single-layer welding and multi-layer welding were obtained, and the calculation results were discussed.
得到了三维单层焊和两层焊焊接温度场和残余应力场,并对计算结果进行分析。
The welding quality of pipeline is closely related to plate temperature in field welding.
石油管道的焊接质量与现场焊接时的板温密切相关。
The numerical analysis of temperature field, stress field and strain field during laser welding based on the welding analysis function of SYSWELD were introduced in this paper.
基于SYSWELD的焊接分析功能,介绍了用数值方法研究激光动态焊接过程中温度场、应力场、应变场的变化情况。
Temperature field and residual stress field of orthogonal structure under normal welding and in-service welding condition were simulated by FEM.
运用有限元方法对正交接管结构在常规焊接和在线焊接条件下的温度场和残余应力场进行了数值模拟。
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