bhf的用法

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。

Development of BHF-250 stainless steel girth welding machine

BHF-250不锈钢环缝焊接机床的研制

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。