bhf

The law of different wave BHF affects, in 264 automobile panel simulative forming, is validated.

最后,本文以相同的研究方法建立了覆盖件263的数值模型, 验证264零件模拟成形时,不同波动压边力的影响规律.

As we spend 60% of our day in the workplace, the BHF is encouraging employers to make them healthier places for their staff through our 'Think Fit' programme.

既然我们每天60%的时间在工作场所，英国心脏基金会鼓励雇主们通过Think Fit项目，为了他们的员工，把工作场所打造成更健康的地方。

Real Time Prediction of BHF Control Law in Intelligent Deep Drawing for Rectangular Box

盒形件智能化拉深压边力规律的实时预测

Development of BHF-250 stainless steel girth welding machine

BHF-250不锈钢环缝焊接机床的研制

The world present development about the blank holder force ( BHF) control technology in the sheet metal deep drawing process has been introduced with discussion about the main problems and directions in the research.

介绍了国内外板料拉深成形过程中压边力控制技术的发展现状熏并讨论了研究过程中存在的主要问题和研究的发展方向。

Study on Optimized Control of BHF Optimized Design for Constant Force Hanger

压边力优化控制研究恒力吊架优化设计

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。

BHF controlled experiment system of simple and topical parts is established to test the use of BHF curves proposed in the front of this thesis.

本部分结论同样将作为变压边力控制实验系统的控制目标，在后续章节中被实施和验证。

Different blank-holder gaps and separation forces are used to control the blank holding force ( BHF ).

压边力采用不同的压边间隙和施加不同的分离力来实现.

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。

BHF scientists are gearing up to unravel the biology that links traffic pollution to heart attacks.

BHF的科学家正努力揭示交通污染与心脏疾病的生物学关联.

But the research, to mark BHF's Rock up in Red day, found that, rather than appreciating glimpses of women's cleavages and thighs, many men simply find it very off-putting.

不过，该研究发现，许多男人不但不爱看女人的乳沟和大腿，而且还觉得非常反感。这一研究是为了纪念英国心脏基金会的“红色一天摇滚起来”活动。