blanking

The blanking clearance and rational blanking clearance are narrated.

叙述了冲裁间隙和合理冲裁间隙.

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The height of burr of the usual blanking is in the table 2.2.

正常冲裁中允许的毛刺高度见表2.

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With analysis of precise blanking force, a theory formula for calculation of precise blanking force has been derived by use of sliding line theory. That the calculated value were closer to the true value than that from a common formula has been proven in practices.

在分析精密冲裁的基础上，运用滑移线理论推导了计算精密冲裁力的理论公式，并通过实例验证，该公式比常用的计算公式更接近实际值。

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Based on FEM, a new fine blanking process by scalar punch with negative clearance is presented.

在有限元分析的基础上, 提出了一种阶梯形凸模负间隙精密冲裁方法.

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There are usually burrs in the fracture of thin sheet parts stamped with steel blanking die.

用常规钢制冲模冲裁薄片零件,断口常有毛刺.

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One key point in numerical simulation of blanking is to determine the fracture initiation and propagation.

在冲裁断裂的数值模拟中,只有先确定了材料的断裂系数才能确定工件裂纹的产生和发展的状态.

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Strength checking formula for blanking punch in current documents have been reviewed and the anti-bending ability of blanking punch is discussed.

查阅和分析现有文献中给出的冲裁凸模强度校核公式，针对凸模抗压弯能力的强度校核问题进行了讨论。

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Bottomreflector ( BSR ) and amplitude blanking zone with high velocity above BSR are the indicators of hydrate.

目前识别水合物的主要依据是BSR和其上具有高速特征的空白带.

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This paper mainly discusses structureblackboard model and hybrid knowledge representation in blanking technology expert system.

介绍了第二代专家系统在冲压工艺设计中的应用.

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The characteristics, structure, types, and status & development of fine-blanking press have been introduced.

介绍了精冲机的特点 、 组成 、 分类以及发展现状 和 趋势等.

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The productive technology of blanking, bending and reverse blanking for the contact-plug parts was analyzed.

分析了接插件的冲裁 、 弯曲和倒冲生产工艺,介绍了其特殊级进模总体结构.

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On compound dies piercing amd blanking punches be on the same plane to prevent material slippage.

在复合模具中,为阻止材料滑动冲孔及下料冲高度应相同.

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Designed the large model universal blanking-piercing compound die, it is practical, reliable, flexible and simple.

设计实用、可靠、灵活、简便的大型落料冲孔通用模具。

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At last some common disfigurements in fine-blanking work pieces were summarized, and some resolvent to them.

最后总结了精冲中常见的质量缺陷, 以及解决的方法.

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The adaptive sidelobe blanking ( SLB ) is an effective measure against active jamming.

旁瓣消隐技术 ( SLB ) 是雷达抗有源干扰的有效方法.

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Blank layout is very important for blanking die CAD research.

冲压毛坯排样优化问题是冲模CAD领域的一大课题.

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Stress shearing blanking is a combination of precise shearing blanking and stress blanking.

应力法剪切下料是精密下料方法同裂纹技术的应力断料原理相结合的产物.

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High distance, fit for blanking by super thick materials and high cutting die.

具高行程, 适应特厚的材料和特高的刀模冲裁.

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What is the main difference when designs a blanking-die for either aluminum or SPCC?

冲铝件与冲铁件之冲裁模在设计上的主要差异为何？

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Die type was deter-mined through the calculation of blanking force , stripping force and ejecting force.

通过冲裁力 、 卸料力、顶件力等计算,确定模具类型.

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Expounded punching, blanking, bending modulus of the composite structure design and principle.

阐述了冲孔 、 落料 、 压弯复合模的结构设计及工作原理.

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The results indicate that FE numerical simulation could effectively optimize fine blanking process and offer basis for fine blanking tool life and quality improvement.

结果表明，有限元数值模拟可以有效地优化厚板精冲工艺，为提高精冲模具寿命和冲压质量提供了依据。

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It is critical calculating blanking step in normal single row optimum layout.

普通单排优化排样中冲裁步距的计算非常关键.

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Use constructional type of progressive dies, change present one step operation of single die construction for two-step blanking, i. e, first step semi-blanking, second ejecting material.

用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。

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The influence of each of the technological data to the fine blanking process and the part forming for the thick plate were stated. The deforming mechanism was introduced, the thick-plate fine blanking mechanism analyzed and the structure of the thick-plate fine blanking die presented.

介绍了各工艺参数对厚板精冲过程及工件成形的影响及其变形机理，分析了厚板精冲机理，并介绍了厚板精冲模结构。

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The characteristics, structure, types, and status & development of fine-blanking press have been introduced.

介绍了精冲机的特点 、 组成 、 分类以及发展现状 和 趋势等.

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A new blanking method is advanced. This method can eliminate the phenomenon of blank scrap upgoing and stop up, and can reduce to the maximal value blanking technical noise emission.

提出的这种两步法冲裁的新方法，既能消除自动化冲压加工中的废料上行和废料堵塞现象，又有降低冲裁工艺噪声发射峰值。

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At the same time the blanking surface of fine blanking was analyzed, and the collapse angle face of fine blanking and the cause and its influencing factors of the burr were obtained.

同时对精冲冲裁面进行分析，得到了精冲件塌角面和毛刺的起因及其影响因素。

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Puts forword negative space blanking method which can punch on a punched workpiece without burr.

介绍了一种能够冲制无毛刺工件的负间隙冲裁法.

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And we can say that the gap has the decisive effect on the blanking piece's quality.

甚至可以说间隙对冲裁件的质量起着决定性的作用.

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