drawing sheet

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。

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Research on Drawing Wedge Test for Sheet Strips

板条拉楔试验的研究

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It's a kind of phemonemon of anisotropic material to crack hot rolled drawing sheet.

热轧冲压板开裂现象是一种板材料力学性能各向异性的表现.

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The CAD system for the drawing of the bimetal sheet was introduced and an example was also given.

本文介绍了自行研制的双金属板材拉延成形的CAD系统，并给出了设计实例。

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The numerical simulation of sheet forming can predict and display crinkling, drawing breakage and variation of sheet thickness in the process of drawing. The physical process, mechanical model and typical simulation process for sheet forming are described.

板料成形的数值模拟可以预测并显示板料在拉深过程中的起皱、拉裂、板料的厚度变化等。

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Ifs a kind of phemonemon of anisotropic material to crack hot rolled drawing sheet.

摘要热轧冲压板开裂现象是一种板材料力学性能各向异性的表现.

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The-time identification via neural network is an important subject in intellectual deep drawing of sheet metal.

运用神经网络技术实现材料性能参数的 实时 识别是智能化拉深的重要研究课题.

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Drawing up the balance sheet is based on understanding accounting key elements, account and accounting identical equation completely and comprehensively.

资产负债表的编制是以全面、综合理解会计要素、会计账户和会计恒等式为基础的。

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Design of The Mould Extending The Side of Cuts Perpendicularly to The Drawing of Thick Sheet

厚板件拉深垂直切边模具的设计

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According to the characteristic of engineering drawing questions library, this paper introduces the content and require of questions library, the function of intelligence, open and intergration in organize test sheet system.

本文根据工程制图试题库的特点，介绍了试题库内容与要求，组卷系统的智能性、开放性与集成性。

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The Die Design of Thick Sheet Metal Deep Drawing and the Analysis of Part Forming

厚板拉深模具的设计及零件成形的分析

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The increase mechanism of dislocation and micro-voids in deep drawing sheet steel during forming paths of uniaxial tension, plane strain and equal biaxial stretch was studied by using positron annihilation lifetime method.

本文应用正电子寿命法研究了深冲钢板在单向拉伸、平面应变和等双向拉伸变形过程中的位错和微空洞增长机制。

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