全球拼焊板产量逐年上升，增长势头十分强劲。
The whole world spells welds the board output to rise year by year, the rising momentum is very strong.
门内板是激光拼焊板在汽车车身上应用的典型零件之一。
Door inner is one of the most typical parts in the applications of tailor-welded blanks in automobile bodies.
分析了拉深筋的设置对激光拼焊板成型时焊缝移动的影响。
In this paper, the influence of the draw rib setting on the welded seam movement for the tailor-welded blanks (TWBs) was analyzed.
以往关于拼焊板成形性的研究大多停留于直线焊缝拼焊板。
Previous resolutions on the formability of tailored-welded blanks are mostly stayed in linear-weld-line TWBs.
激光焊接凭着多项显著的优点，非常适合用于生产拼焊板。
Laser welding has many outstanding advantages suitable to produce tailored blank.
与其它种类拼焊板相比，点焊拼接板具有效率高、成本低等优点。
Compared with other kinds of TWBs, the application of spot welding tailored blank has many advantages such as high efficiency and low cost, etc.
焊缝位置的移动以及布置合理与否是影响拼焊板冲压成形质量的关键。
Movement and rational layout of welding seam are the key factors affecting stamping forming quality of welding splice pieces.
激光拼焊板以其高质量、高效益、低成本备受汽车和钢铁工业界的极大关注。
Tailor welded blanks had become a hot issue in the automobile industry and steel industry for its high quality, high profit and low cost of production.
本文研究由不同材料和不同厚度板材组合的拼焊板方盒件在拉深成形中焊缝的移动。
The movement of welding seams of tailor welded blanks combined by different material and different thick sheet metal is studied in this paper.
技术特点：本生产线具有翼板与腹板自动对中组立、翼板变形矫正、焊板速度可调等功能。
Technical character:This machine can perform the centering and assembling of both flange and web automatically, straightening of flange deformation, welding speed adjustment.
研究结果表明，焊缝形状以及厚度比对不同类型的曲线焊缝拼焊板成形性的影响程度明显不同。
The results show that changes of weld-line shape and thickness ratio have significantly different effect on the formability of curvilinear-weld-line TWBs.
简要介绍了激光加工技术在国外汽车工业中的应用情况，重点讨论激光拼焊板的需求及发展趋势。
The article introduces the application of laser processing technology in automotive industry abroad , laying stress on the demand and development of tailor welded blanks.
激光拼焊板具有车身质量轻、生产成本低、生产率高等优点，在汽车制造中具有很大的应用价值。
Laser welding tailored blanks (LWTB) is good of low tare, low production costs and high productivity, it has been widely studied on automotive industry.
铝合金拼焊板技术还存在许多问题，如成形极限、起皱、回弹、焊缝位移、焊接质量等有待研究；
Other factors include: welding metallurgy quality, direction of the main strain, ratio of thickness, ratio of intension, location of welding line, displacement of welding line, etc.
结果表明，在不同补偿角、托板力和模具间隙的影响下，激光拼焊板具有与光板一致的回弹规律。
The results show that under different types of compensation Angle, pallets power and die gap, the bending springback rules of the tailored blanks are in line with the light board.
讨论了焊缝特性对于差厚拼焊板成形性能的影响。结果表明，激光焊缝能够满足板料成形的要求。
The results indicate that laser welded joint is qualified to satisfy the demand of sheet forming.
拼焊板(TWB)成形作为汽车轻量化的重要技术之一，已在汽车制造行业得到广泛的关注和应用。
As an important approach of the light-weighting technology, tailored-welded blank (TWB) has been widely concerned and broadly used in the automotive manufacturing industry.
因此，在设计模具时可以预先在模具结构及工件部位尺寸上采取措施，对激光拼焊板的回弹进行补偿。
Some measures can be used in the mold structure and workpiece size in advance, when designing the mold, which can provide compensates for the springback of laser tailor-welded blanks.
当前国外学者初步研究了材料厚度比、载荷形式、轧制方向等若干因素对拼焊板成形极限的影响规律；
Previous research has shown that thickness ratio, main strain and rolling direction influences the FLD of TWBs.
添粉和不添粉的5A02和5A06铝合金拼焊板的横向拉伸试件均断裂于薄板母材，证明焊缝的强度合格。
The longitudinal tension PM specimen of Tailor Welded Blanks of 5A02 and 5A06 were all fractured on the thinner base metal, which indicated that welds were eligibility.
本文的研究内容对曲线焊缝拼焊板的成形性优化及其在工业生产中的合理选择与应用有重要的理论指导意义。
Research contents in this paper have important theoretical significance on curvilinear-weld-line TWB forming optimization and its selection and application in industrial production.
对拼焊板的焊接方法、材料应用、冲压成形性能分析、拼焊板成形极限图的建立方法和有限元分析焊缝建模方式进行了综述。
Such TWB-related questions as the welding technology, materials, stamping formability, the establishment of FLC, and the finite element analysis of the welding modeling are surveyed.
引入正交试验分析对影响激光拼焊板弯曲回弹的各参数进行了优化，试验表明，弧形顶板模具结构能有效控制激光拼焊板的回弹。
Then, orthogonal experimentation is introduced to optimize each parameter that influences the springback of laser tailor-welded blank. The result shows that the arc roof mould STR...
通过以上研究，得到了板厚比、焊缝位置和曲线焊缝半径对于拼焊板成形高度以及焊缝移动量的模型和规律性，为工程设计提供了参考依据。
With the FEM modeling for the curved weld line TWBs, the paper makes the comparison of linear and nonlinear weld line TWBs, which can help to offer the reference for the engineering application.
应用动力显式数值模拟软件，研究了线性渐增和渐减变压边力下拼焊板盒形件的成形过程。建立了线性变压边力终止值随初始值变化的关系曲线，该曲线被拟合为二阶多项式曲线。
The forming of box with TWBs based on a series of linearly increasing and decreasing variable blank holding forces(VBHF)over the stroke were studied by means of dynamic explicit finite element method.
作为拼焊板的一种，点焊拼接板可以将不同规格、材质、尺寸的金属板材通过叠加或拼对的方法焊接在一起形成毛坯，再通过冲压加工就可以获得形状、强度、重量等都得到优化的冲压零件。
Spot welding tailored blank, one kind of tailored welded blank, is comprised of metal sheets with various specification, material and dimension that are welded by splicing method or joining method.
作为拼焊板的一种，点焊拼接板可以将不同规格、材质、尺寸的金属板材通过叠加或拼对的方法焊接在一起形成毛坯，再通过冲压加工就可以获得形状、强度、重量等都得到优化的冲压零件。
Spot welding tailored blank, one kind of tailored welded blank, is comprised of metal sheets with various specification, material and dimension that are welded by splicing method or joining method.
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