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1) weld excursion
焊缝偏移
1.
The weld excursion experiments result .
同时进行了焊缝偏移试验。
2) Seam correction
焊缝纠偏
1.
In this paper, a real time seam correction system based on high speed rotating arc sensor for arc robot was studied, the principle and method of this system were discussed in detail, the results of experiment in the circumstance of V shape groove and angle seam were presented.
本文介绍了以高速旋转电弧为传感器的弧焊机器人焊缝实时纠偏系统 ,首先设计了适应机器人要求的高速旋转电弧传感器 ,然后对电弧传感 V形坡口焊缝的识别方法及铁水等干扰影响进行了研究 ,采用模糊控制技术进行焊缝实时纠偏 ,最后完成了 V形坡口直线焊和角焊缝折线焊 ,取得了满意的焊缝纠偏结果 。
3) seam deviation
焊缝偏差
1.
The technology of seam deviation detection, which is the deviation between the seam center andthe arc, is one of the key to realize accurate seam tracking.
而要实现精确的焊缝跟踪，焊缝偏差(即焊缝中心与电弧的偏差)检测技术是一个关键。
4) weld line movement
焊缝移动
1.
Using the finite element method software Dynaform,numerical simulations of blank holder force are carried out to reseach its influence on the strain path of the dangerous point and the weld line movement on the condition of different BHF.
用有限元分析软件Dynaform对拼焊板方盒件成形进行数值模拟,研究不同压边力对拉深过程中破裂危险点应变路径和焊缝移动的影响规律。
2.
The weld line movement was one of the important factors for the formability of TWBs.
拼焊板冲压成形时焊缝会产生移动,使得最大工程应变发生在弱材近焊缝区,造成开裂失效,焊缝移动是对拼焊板成形性影响最重要问题之一。
5) weld-line movement
焊缝移动
1.
The conclusions show that different tendencies of weld-line movement occur in different .
研究发现,盒形件不同部位其焊缝有不同的移动趋势,传统拉深最大焊缝移动量发生在盒形件底部中心处,充液拉深件焊缝移动最大量发生在侧壁顶部,增大充液拉深凹模油腔的压力,可以有效地减少焊缝移动量和坯料的减簿量。
2.
Based on finite element simulation software Dynaform,the influence of process parameters such as blank holder force,liquid pressure and its loading paths on the weld-line movement in hydro-forming deep drawing of TWBs with different thickness was simulated and investigated.
基于Dynaform分析软件,就差厚拼焊板充液拉深盒形件的压边力、液体压力及加载方式对焊缝移动的影响进行仿真与研究。
6) welded-line movement
焊缝移动
1.
The investigations include mechanism of TWBs′ springback,influence of distribution of BHF on TWBs′ springback and the relation between TWBs′ springback and welded-line movement.
研究拼焊板回弹机制,考察压边力分布对拼焊板回弹的影响及拼焊板回弹与焊缝移动的关系。
2.
Fracture and welded-line movement are two main problems in stamping of multi-gauge laser tailor-welded blanks.
破裂和焊缝移动是差厚激光拼焊板成形中存在的两个主要问题。
3.
For tailor-welded blanks(TWBs) square box,adopted the self-made hydrostatic press and the square box mould with split binder,the forming strain path,the welded-line movement and the forming limit depth were analyzed by the numerical simulation and the stamping experiment with various technological parameters.
采用自制液压机和分瓣压边圈模具,通过模拟仿真和实冲试验,变化各工艺参数,研究分析拼焊板方盒件冲压成形的应变路径、焊缝移动和成形极限,以提高其成形性能。
补充资料：ANSYS工字梁焊缝初应力例子
建立好模型
…..
/SOLU
!*
ANTYPE,0
/INPUT,'input','txt',
/INPUT,'output1','txt',
!*
ISFILE,READ,1,txt, ,0
SOLVE
=====================
!定义残余应力矩阵
I=1
fy=310e6
!定义单元中心坐标数组，初应力数组
*DIM,EleCenter,ARRAY,NumNode,3,1, , ,
*DIM,EleIS,ARRAY,NumNode,1,1, , ,
*DO,I, 1, NumNode,1
!得到单元中心坐标
*GET,EleCenter(I,1,1),ELEM,I,CENT,X
*GET,EleCenter(I,2,1),ELEM,I,CENT,Y
*GET,EleCenter(I,3,1),ELEM,I,CENT,Z
!焊缝位置在X=1.0 到1.05 之间
*IF,EleCenter(I,1,1),GT,1,THEN
*IF,EleCenter(I,1,1),LT,1.05,THEN
*IF,EleCenter(I,2,1),GT,0.5,THEN
!上翼缘初始应力
EleIS(I,1,1)=-20*fy*EleCenter(I,3,1)**2+0.3*fy
*endif
*IF,EleCenter(I,2,1),LT,0.0,THEN
!下翼缘初始应力
EleIS(I,1,1)=-20*fy*EleCenter(I,3,1)**2+0.3*fy
*endif
!腹板初始应力
*if,EleCenter(I,2,1),GE,0.0,THEN
*IF,ELECENTER(I,2,1),LE,0.5,THEN
EleIS(I,1,1)=4.076*fy*(EleCenter(I,2,1)-0.5)**2
EleIS(I,1,1)=EleIS(I,1,1)-0.719*fy
*IF,EleIS(I,1,1),LT,-0.3*fy,THEN
ELeIS(I,1,1)=-0.3*fy
*ENDIF *ENDIF
*ENDIF
*ENDIF
*ENDIF
*ENDDO
===============
!输出应力数值
*CFOPEN,'1','txt',' '
*DO,I,1,3840
!*IF,EleIS(I,1,1),ne,0.,then
*VWRITE,'!'
(A)
*VWRITE,'! Stress for element',
(A,F)
*VWRITE,'!'
(A)
*VWRITE,'eis,',I
(A,F)
P=EleIS(I,1,1)
*VWRITE,P,0.,0.,0.,0.,0.
(E,E,E,E,E,E)
!*ENDIF
*ENDDO
*CFCLOS
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条
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