The TWB and the TRB have the similar forming character, but the TRB has the better formability, the better forming quality and the wildly used.

Yes, please. I'd like to have a TWB room tonight.

是的，今晚我想住一间标准房。

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TWB: With numbers of people now using Location based services on the rise do you think we have seen the start of LBS as a mass market application?

随着目前使用基于位置的服务用户人数增长，您是否认为我们已经看到了一个庞大市场应用需求的开始？

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Tailor welded blank ( TWB) and its forming technology is just a new technique to adapt to this development direction.

拼焊板及其成形技术正是适应这一发展方向的新技术。

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The anoxia endurance test was made in a high temperature room with Tdb 39 ℃ and Twb 34 ℃, and the survival time of mice in the sealed bottle was recorded.

耐缺氧试验在高温室（干球39℃、湿球34℃）内进行，记录小鼠在腊封瓶内的存活时间。

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TWB ( Tailor-welded Blanks) are welded into a whole board with two or more sheet metal of different thickness or material properties; the purpose is to make full use of material properties without waste.

拼焊是将两种或多种不同厚度或不同材料性能的金属板材焊接成一块整板，目的是使材料性能既得到充分的发挥又不会造成材料的浪费。

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Therefore, the control system has theoretical signification and engineering application values for optimizing TWB forming technology, enhancing the performance of stamping parts, and attaining high quality products.

因此此套控制系统对优化拼焊板冲压成形工艺，提高冲压件的性能，获得高质量的产品，推动拼焊板技术的广泛应用具有理论意义和实际应用价值。

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The method is often time-consuming and high-cost, but also often makes it difficult to ensure the practicality and reliability of the TWB parts, especially for the design of TWB parts based on side impact safety.

该方法往往耗时长、费用高，还往往难以保证拼焊板零件的实用性和可靠性，特别是对于考虑车辆耐撞性的车身拼焊板零件设计。

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Research on Welding Line Movement for TWB During Square Cup Drawing

拼焊板在盒形件拉伸过程中的焊缝移动研究

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The cup-drawing testing show: the existence of the welded line, which reduce the formability of the TWB. And the anisotropy was very clear around the welded line during the drawing of TWB.

拉深试验表明：焊缝的存在明显降低了拼焊板的整体拉深成形性能，并且在拉深的过程中焊缝处表现出明显的各向异性。

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Firstly, the paper established the finite element model of different thickness TWB and divided the geometric model into non-uniform finite element mesh combining the structural characteristics of TWB. the plasma arc heating zone and heat-affected zone were also considered.

首先结合拼焊板的结构特点以及等离子体弧加热区与热影响区尺寸，建立差厚拼焊板的有限元模型并划分不均匀的有限元网格。

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In order to maximize the potential of CAE technology, CAE and optimization algorithm are combined to improve the design efficiency and effectiveness of the TWB parts of vehicle body.

因此为了充分发挥CAE技术的潜能，本文将CAE技术与优化算法相结合来提高车身拼焊板零件设计的效率与效果。

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But the method of finite element ( FE) can offer an efficiency tool to study the formability of TWB based on single sheet mechanical properties.

而基于有限元方法的数值模拟仿真技术却能够提供一种比较有效的研究工具。因为相对而言，单一板料的力学性能比较容易获得，而这些数据正是研究拼焊板的基础。

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According to the forming theory of square-box part and the deformation characteristics of TWB under force, some main factors were analyzed, including blank holder force ( BHF), thickness difference, the mechanical properties of blank and the weld location.

根据盒形件的冲压成形理论，并结合拼焊板受力时的变形特点分析了影响拼焊板冲压成形的主要因素，即压边力、板厚差、板料力学性能和焊缝位置等。

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Tailor-welded blank ( TWB) with different thickness ratio plays an important role in the lightweighting technology of automobile industry.

拼焊板成形技术，特别是差厚拼焊板成形技术，是汽车轻量化的一个重要发展方向。

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Method of multiplier penalty function is used to optimize the TWB thin-walled structure and the design approach is presented for lightening the TWB thin-walled components.

利用乘子罚函数方法进行拼焊板薄壁梁优化设计求解并提出了薄壁梁零件的拼焊板轻量化设计方法。

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At last, a real TWB part, the center pillar of car door was simulated by eta/ Dynaform and according to its simulation results designed the die.

在本文的最后，分析了拼焊板零件的一个实例。这个零件是某轿车的中立柱加强件，应用eta/Dynaform进行了分析，设计了合理模具，减少了试模时间。

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In the process of TWB forming, there are many factors effect on the formability.

拼焊板成形过程中，多方面的因素对其成形性有影响。

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TWB: What's the most exciting announcement to happen in location in the last year? And why?

去年在位置服务领域哪些消息是最令人兴奋的，为什么？

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BHF, thickness difference, the mechanical properties of blank and the weld location had a great influence on the weld-line movement distance and the forming limit of the polyline weld TWB in its forming process.

结果表明，焊缝折点处的成形性能较差；压边力、板厚差、板料力学性能和焊缝位置等对折线焊缝拼焊板的冲压成形极限以及焊缝的移动量都具有很重要的影响。

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Tailor-welded Blank ( TWB) is one of the most important technologies in automobile body manufacture in recent years, whose welding quality and residual stresses and deformation have great effects on the following stamping process and its performance properties.

拼焊板是近年来用于汽车车身制造的一种重要技术，其焊接质量的优劣及残余应力状态与变形的大小对后续的冲压成形工艺和产品的使用性能都有很大影响。

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