焊道

脉冲MAG堆焊成形焊道稳定性模糊综合评价

Fuzzy synthetical evaluation of weld bead stability for pulse MAG welding prototyping

高速GMAW焊接驼峰焊道的产生过程及抑制

The Generation Process and Suppression of Humping Bead in High-speed GMAW

药芯焊丝CO2焊焊道几何尺寸的数学模型

Mathematical Model for the Bead-size of CO2 Arc Welding with Flux-cored Wire

采用组合过渡形式，在获得较高熔敷率的同时，减少了Mg的损失，有利于铝合金成形焊道的晶粒细化及接头强度提高。

Combination transfer shaping compromises low Mg loss and high deposit rate , which is favor of grain refinement and improving strength of Al-alloy bead .

采用相对因子技术，建立了药芯焊丝CO2焊焊道的几何尺寸和形状关系的数学模型。

By adopting relative facter technology , the mathematical model for the bead-size and geometrical dimension of CO2 arc welding with flux-cored wire is established .

高速GMAW驼峰焊道形成过程的数值分析

Numerical simulation of forming process of humping bead in high speed GMAW

高速GMAW焊驼峰焊道形成过程的视觉检测

Vision-based Sensing of Humping Bead Formation during High Speed GMAW

基于GMAW堆焊成形的顺序焊道搭接量模型

Overlapping Model of Sequential Bead Based on GMAW Formation

研究结果显示，单道焊焊缝金属中铜难以析出，在多道焊道间热影响区有εCu析出颗粒的存在，但析出颗粒尺寸与分布存在不均匀性。

It is manifested that in single pass weld metal there are no copper precipitations , but in heat affected zone there are some ε - Cu precipitations and the distribution and size of the precipitations are not uniform .

压力管道TIG焊在焊接中焊道背部易出现缺陷，用反向送丝的方法成功地解决了这一问题。

It easy to occur defect on the back of bead in pressure pipe TIG welding , which can be solved by using the anti , direction wire feeding method successfully .

在GMAW焊接过程中，当焊接速度达到某一临界值时会出现咬边缺陷，进一步提高焊接速度就会产生驼峰焊道。

In GMAW welding process , when the welding speed reaches a certain threshold , there will be onset of weld bead undercut defects .

采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区（HAZ）的焊接热循环。

In this paper the HAZ weld thermal cycles of the welding by both sides submerged arc welded steel pipe were reproduced by the dislocation overlap weld method .

利用等面积填充法对具体的V型坡口进行填充规划，根据已知焊道轨迹推断未知焊道轨迹的路径规划思想，对具体焊道空间位置进行规划。

Homalographic plan method was used to filling V-groove joint . Unknown welds trajectory can be inferred from the known welds track to plan the space position of specific weld joint . Multi-layer welding path of circular trajectory was also planned .

试验中证实在异物完全与焊条融熔下，非破坏UT检测无法有效判断出焊道是否有不正常融填行为。

The tests also prove that the nondestructive UT Test cannot determine if the there is an abnormal fusion under the condition of foreign matter and electrode fuse .

采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。

The effect of hot bending and heat treatment thermal cycles on the mechanical properties of X80 grade steel pipe was evaluated .

并利用ANSYS软件建立了横焊模型，该模型考虑了焊接过程中热辐射、热传导、相变潜热以及横焊位置对温度场的影响，应用了单元生死技术模拟焊道填充。

Establish a multiple pass weld heat filed model with the ANSYS software . The model used element life and death technology , considered the heat emission , heat exchange , latent heat of phase change , and the influence of horizontal position .

因此笔者认为对VLS机制的深入研究将有助于合理描述焊接过程以及有效预测焊道组织。

So the author consider an in-depth research on VLS mechanism would help to express the welding metallurgic process reasonable and forecast the structure of deposited metal effectively .

并在此基础上预测焊接HAZ的力学性能及组织，预测焊道几何形状及接头横向变形及角变形。

On this basis , the system can predicate the mechanical properties and microstructure in HAZ ( Heat Affected Zone ), the geometric shape of weld seam , and the lateral deformation and angular deformation of welded joint .

制造了一个由30层焊道堆积而成的简单空心筒状零件，其直径和高度误差小于1%，垂直度误差小于2%，表面粗糙度Ra约为50~200μm。

A hollow cylindrical part with 30 layers was built up , the roughness Ra of which is about 50 to 200 μ m. Its deviation of verticality is less than 2 % , while the deviation of diameter and height is less than 1 % .

本文就坡口上的氧化铁皮对CO2半自动陶质衬垫单面焊气孔倾向的影响进行了试验研究，利用X射线检测、OM、SEM、EDX和XRD等方法对焊道进行了宏观及徽观分析。

The experimental investigation of the influence of iron oxide skins on the groove surface on formating porosity was carried out in one-side semiautomatic CO_2 welding . The macro and micro structure of the one-side weld bead was analyzed by means of OM , SEM , EDX and XRD .

对Monel-400合金厚板进行对接接头的手弧焊试验及不同工艺条件下焊道形状参数的测定。

The experiments of butt SMAW for Monel-400 alloy thick plate were carried out , and the size of the weld beads in several different conditions was measured .

脉冲MIG（熔化极惰性气体保护焊）堆焊成形的焊道美观，与基体的结合良好、热输入小，对基体的性能影响较小，可用来进行表面堆敷，实现功能梯度材料。

Pulsed MIG ( MIG arc welding inert gas ) welding has the beautiful bead , with a good combination of matrix , a small heat input to the matrix , with less effect to the matrix , hence can be used to surface deposited to achieve functionally graded materials .

焊接时须用短弧操作并以窄焊道为宜。

Operating with short arc and narrow welding run when welding .

焊接钢管焊道防腐层减薄的原因及对策

Reason and Disposal Method for Coating Layer Thinner on Weld Path

焊接管焊道两侧母材缺陷的超声波探测

UT for Defects in the Weld Both Sides of Welded Steel Pipe

厚板弧焊机器人自定义型焊道编排策略

Self-defining path layout strategy for thick plate arc welding robot

由固定的焊道尺寸来预测合理的焊接规范；

To obtain the suitable welding parameters for a fixed bead geometry ;

机器人多层多道焊缝激光视觉焊道的识别

Laser-based visual recognition of multi-pass seam in robot arc welding

电焊钢管焊道形状在线检测技术的开发

Development of Online Inspection Technology to Weld Appearance Shape of Electric Steel Pipe

熔化极气体保护焊-短弧点焊焊缝不能与根部焊道合成一体。

GMAW short-arc tack welds shall not be incorporated into the root pass .