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rivet     
相关语句
  铆钉
     Development of AuNi5/CuNi20 Bimetal Rivet for Automotive Sensor
     汽车传感器用AuNi5/CuNi20复合铆钉试制
短句来源
     RESEARCH ON WIRE STOCK PERFORMANCE OF LY16-1 ALUMINIUM ALLOY RIVET
     LY16-1铝合金铆钉线材性能研究
短句来源
     Introduction to Mechanical Industry Standard JB/T 10383-2002,Technical Specification for Electric Contacts of Rivet Type
     JB/T 10383-2002“铆钉电触头技术条件”标准综述
短句来源
     The Method of Sampling and Analyzing AgNi10/Cu Composite Contact Rivet for the Composition Analysis
     AgNi10/Cu复合铆钉复层成分取样及分析方法
短句来源
     Laser-Deposited Ni-Cr-B-Si Alloy Coatfor 13Ni5A Steel Rivet
     13Ni5A钢铆钉激光熔覆镍基合金涂层的研究
短句来源
更多       
  铆接
     Design and Analysis of the Rivet Automatic System(Robots)
     铆接自动化系统(机器人)设计与分析
短句来源
     Both the weld and rivet connections were simplified as rigid based on the actual structure.
     根据实际机械结构的连接方式, 对焊接和铆接连接方式做出了刚性连接的简化;
短句来源
     Automatic rivet technology for orientation bridge contact and die design
     定位桥触点自动铆接工艺与模具设计
短句来源
     And the angle of the die is varied from 15 to 55 degrees. Through the data of numerical simulations, some relations between the angle of the die and the quality of the formed head of rivet, and between the angle of the die and quality of the riveting are found out.
     本文对15°到55°共9种倾角的铆模使用LS-DYNA软件包进行了有限元数值模拟,通过数值模拟得出了铆模倾角与铆钉镦头成形质量间的关系,以及铆模倾角与铆钉钉杆和铆接试件之间的干涉质量的关系。
短句来源
     Analysis and calculation are made on the rivet force needed by the rivet sleeves with various shape and dimensions in the circular groove riveting.
     对环槽铆接中不同形状和尺寸铆套所需的铆接力进行了分析和计算,结果表明铆套的尺寸和形状对铆接力有很大影响。
短句来源
更多       
  
     With increasing ladle bottom blowing argon pressure from 0.3 MPa to 0.6~1.0 MPa,modified original blowing argon procedure-soft blowing argon after Ar stirring for 1 min and total blowing argon for 3 min to improved blowing argon procedure-soft blowing argon after Ar stirring for 3 min and total blowing argon for more than 6 min,and improving baking process for tundish to decrease inclusion MgO,the cold upsetting crack of steel for rivet was effectively avoided.
     通过将钢包底吹氩压力由0.3 MPa提高到0.6~1.0 MPa,并由原工艺吹氩1 min后软吹氩、总吹氩时间为3 min改为吹氩3 min后软吹氩、保证总吹氩时间≥6 min,同时改进中间包烘烤工艺减少MgO夹杂,从而有效地避免了螺钢冷镦时的开裂现象。
短句来源
     The Application of PID Fuzzy Self-Setting Parameter Controller to Variable Frequency Speed Regulating System for the Bracket of Automatic Rivet Gun
     模糊自整定PID参数控制器在自动钻机托架系统变频调速中的应用
短句来源
     And the angle of the die is varied from 15 to 55 degrees. Through the data of numerical simulations, some relations between the angle of the die and the quality of the formed head of rivet, and between the angle of the die and quality of the riveting are found out.
     本文对15°到55°共9种倾角的模使用LS-DYNA软件包进行了有限元数值模拟,通过数值模拟得出了模倾角与钉镦头成形质量间的关系,以及模倾角与钉钉杆和接试件之间的干涉质量的关系。
短句来源
     Analysis and calculation are made on the rivet force needed by the rivet sleeves with various shape and dimensions in the circular groove riveting.
     对环槽接中不同形状和尺寸套所需的接力进行了分析和计算,结果表明套的尺寸和形状对接力有很大影响。
短句来源
     Analysis on Cold Upsetting Crack of Steel for Rivet and Improvement of Refining Process
     螺钢冷镦开裂的分析和精炼工艺的改进
短句来源
更多       
  铆合
     The related position dimensions of rivet on machined solid cage with square rivet head used in cylindrical roller bearings directly effect assembly and riveting quality.
     圆柱滚子轴承方铆头车削实体保持架铆钉头相关部位尺寸直接影响轴承的装配和铆合质量。
短句来源
     A rivet with shape memory effect made of the shape memory polymer works quite well.
     研究表明 ,当 MDI的比例增加时 ,所得聚氨酯形状记忆材料的玻璃化转变温度升高 ,形状记忆恢复所需的时间缩短。 用这种材料试制了铆钉 ,铆合效果相当好
短句来源

 

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      rivet
    As particular cases, the solutions of the concentrated force, double force, concentrated moment and rivet problems are obtained.
          
    The influence of the interference of a rivet on the mechanical properties of D16 alloy sheet in biaxial tension
          
    Effect of an initial force in a rivet hole on the longevity of a structural component.
          
    Effect of an initial force in a rivet hole on the longevity of a structural component.
          
    1.Steel Kh12VMBFR may be utilized as rivet material for steam turbines with steam temperatures ranging from 565 to 580°.2.Steel Kh12VMBFR possesses high resistance to relaxation and rupture strength over the 550-580° range and is not notch sensitive.
          
    更多          


    An important practical engineering problem is the stress distribution produced at or near a hole in a tension member when the load is applied to the pin or rivet filling the hole. According to a large amount of expe- rimentel data, some approximate formulas are presented in this paper for computing the stress concentration factor and the stress distribution around a central circular hole in a eye-bar (or eye-bolt) pulled through pin (or rivet) in the hole. Practices show that the formulas are simpler,...

    An important practical engineering problem is the stress distribution produced at or near a hole in a tension member when the load is applied to the pin or rivet filling the hole. According to a large amount of expe- rimentel data, some approximate formulas are presented in this paper for computing the stress concentration factor and the stress distribution around a central circular hole in a eye-bar (or eye-bolt) pulled through pin (or rivet) in the hole. Practices show that the formulas are simpler, more rapid and comple- tely adequate for the purposes of design in practical engineering.

    通过销钉或铆钉传递载荷的拉伸构件,发生在销钉孔周或孔的附近的应力 分布,在工程实际中是一个重要的问题。本文根据大量的实验数据,提出有关 通过销(铆)钉传递拉力的单孔耳片的应力集中系数和孔周应力分布的近似计 算公式。实践表明,这些公式比较简捷,而且完全满足工程设计的要求。

    A finite element analysis is presented for predicting local buckling stresses in stiffened plates under axial compression.This paper emphasizes the discussion of the computation model of stiffened plates. Based on the analysis of the symmetrization of the buckling deformation pattern, the "local unit" computation model is worked out. This model is shown to be universally available for local stability analysis of stiffened plates. As for riveted stiffened plates,the paper also presents reasonable computation...

    A finite element analysis is presented for predicting local buckling stresses in stiffened plates under axial compression.This paper emphasizes the discussion of the computation model of stiffened plates. Based on the analysis of the symmetrization of the buckling deformation pattern, the "local unit" computation model is worked out. This model is shown to be universally available for local stability analysis of stiffened plates. As for riveted stiffened plates,the paper also presents reasonable computation models.By comparison,the results from this analysis are in good agreement with those of the experimental documents.

    本文给出了轴压加筋板局部屈曲应力的有限元分析。着重讨论加筋板的计算模型。在屈曲变形模态对称性分析的基础上,提出了“局部单元”计算模型,并指出这种模型对加筋板的局部稳定性分析是普遍有效的。本分析与实验结果之间的比较表明有好的一致性。

    This paper presents a finite element method to estimate local buckling stress of stiffened panels in axial compression. Proceeding from the symmetry analysis for the mode of buckling deformation, a so-called "local unit" computation model is proposed. It is also shown that for the structures with unsymmetric mode of buckling deformation the "typical unit' model leads to unreasonable results, because such a model represents a false structure far from the real one. Therefore, the universal adaptability of the...

    This paper presents a finite element method to estimate local buckling stress of stiffened panels in axial compression. Proceeding from the symmetry analysis for the mode of buckling deformation, a so-called "local unit" computation model is proposed. It is also shown that for the structures with unsymmetric mode of buckling deformation the "typical unit' model leads to unreasonable results, because such a model represents a false structure far from the real one. Therefore, the universal adaptability of the local unit to instability analysis is confirmed and reasonableness of calculated results is ensured by avoiding the traditional approach which treats the unsymmetric mode of buckling deformation as symmetric one.Considering the difference of joints for stiffened panels, the assumption of simplification for attachments of sheet to riveted stiffeners is discussed. Then the original computation model has been improved to approach actual conditions. In addition, two principles for simplifying the computation model are defined as following:1.By taking advantage of symmetry of the deformation mode the constraint effect of the adjacent strip element to the analyzed object can be replaced by the condition of zero angular displacement.2.The evaluation for whole panel can be replaced by the evaluation for one local unit, because the constraint effect of the adjacent strip element to the local unit is very small.On the basis of these principles the computation model is further simplified, therefore the computer storage and the operation time are saved.Finally the moment distribution method is analyzed, and it is shown that the results obtained by presented method are more reasonable.

    本文是用有限元素法解轴压加筋板局部稳定性问题的研究报告。它从失稳变形模态对称性分析入手,提出了局部单元的计算模型。对于失稳变形模态非对称结构,指出典型单元计算模型的局限性。从而肯定了局部单元在稳定性计算中普遍的实用意义。对于铆接结构,分析了筋条与蒙皮的连接及其简化假设,改进了铆接结构的计算模型,确保了计算结果的合理性。另外,讨论了简化计算模型的两项原则。在此基础上,对计算模型作进一步简化,从而节省了机器内存,提高了解题速度。最后给出了计算曲线及实验结果,并对力矩分配法作了分析。

     
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