Without proper shielding of the switches, interconnecting cables, and test fixturing, spurious signals ( offsets) may be generated that will compromise the signal being measured. 若开关、互连电缆和测试夹具没有合适的屏蔽,所产生的杂散信号(偏移)将威胁到被测信号。
Design on random vibration ESS fixturing of a reinforced display 某加固型显示器随机振动应力筛选试验的夹具设计
To minimize errors due to such leakage paths, choose a switch card with high isolation resistance and use guarding wherever possible, including in the test fixturing and cabling. 为了最小化这样的漏泄通路引起的误差,请选择具有高隔离电阻的开关卡,并尽量采用保护线,包括测试夹具和电缆。
These include magnetic workholding, fixturing, and material handling equipment for the metalworking industries. 产品在金属加工领域应用在磁性装卡、具和物料搬运方面。
A general methodology is systematically presented to analyze and select optimally the magnitude, placement and clamping sequence of a fixturing scheme. 系统地提出一个分析与优选夹紧力大小、作用点以及夹紧顺序的通用方法。
The settling time of the measurement is affected by the shunt capacitance, which is due to the connecting cable, test fixturing, and the DUT. 测量的建立时间受并联电容的影响,而并联电容则是由连接电缆、测试夹具和DUT产生的。
This paper has put forward the method to build mould of location reference plane in CADF, and on this foundation has analyzed the influence of positioning error for workpiece geometry precision. It has offered theory foundation for correcting and improving fixturing design. 提出了在计算机辅助夹具设计(CAFD)中定位参考面的建模方法,并在此基础上分析了定位件位置误差对工件几何精度的影响,为校验和改进夹具设计提供了理论基础。
Reformation of the Hydraulic Fixturing System of the Tailstock of Heavy Horizontal Lathe 重型卧式车床尾座液压夹紧系统的改造
Secondly, by applying 'a discretization technique, an accessibility model of fixturing surfaces is established based on an overall evaluation of the accessibility of discrete points on the surface. 利用离散技术,基于所有表面离散点影响性的评估,建立了装夹表面影响性模型;
Geometric reasoning approach for supporting position and workpiece deformation in the automation fixturing design 自动装夹设计中支承位置与工件变形的几何推理方法
The framework structure of automation fixturing design system is discussed in this paper. The workpiece deformation analysis module is established in preliminary fixturing design configuration. The workpiece deformation is confirmed based on the use of finite element analysis tool and quantitative approach. 描述了一种自动装夹设计系统体系结构,并建立了初始装夹设计方案中工件最大变形的分析模型,应用有限元分析工具对工件最大变形进行定量分析;
To solve the problems of fixturing reliability, low machining efficiency and machining surface integrity, a new fixturing method of NOMEX honeycomb machining, based on the strong magnetic and principle of friction, was presented. 为了解决NOMEX蜂窝芯高速铣削加工过程中固持可靠性差和加工效率低以及加工表面质量差的问题,提出一种新的基于强磁场和摩擦学原理的蜂窝芯高速加工固持方法。
On the analysis of the fixturing characteristics of workpiece, the design requirement is extracted. The process of Function-Form Mapping relationship is comprehensively analysed and reconstitution of the conceptual fixture structure is realized. 在对零件夹持特性分析基础上,提取夹具设计需求,并对组合夹具功&构映射关系进行全面分析,对组合夹具概念结构实施多方案重构,并进行了实例验证。
Study and Practice of Fixturing on Based Phase change 基于状态变化的工件定位与夹紧方法的研究与实践
The paper also provides commonly algorithm to select supporting and locating position by 3 2 1 locating principle for automation fixturing design system to hold the workpiece rigidly and accurately during fixturing design process. 为自动装夹设计系统提供一种用321定位原理确定定位支承位置的一般算法,使工件在自动装夹设计过程中具有严格准确的位置。
One of the significant impediments to the application and evolution of truly flexible manufacturing systems is the absence of truly flexible fixturing systems. 夹具的非柔性(或专用性)严重地阻碍了柔性制造系统的应用及发展。
Development and Application for Reference Free Part Encapsulation Fixturing 无基准工件封装夹具的发展与应用
Design of supporting and locating position is an indispensable part of fixturing design process. 定位支承设计是装夹设计过程的核心部分。
Prospect of Flexible Fixturing 柔性夹紧的前景
The fixturing techniques advanced with the development of the industry. 夹具的发展与制造系统的发展是同步进行的。
This paper introduces the present situation of flexible fixturing technology which has been developed since the beginning of 1980 s. It respectively and briefly explains the principles, features and problems of the modular fixture kits, phase change fixtures, programmable clamps and other fixtures. 本文介绍了由80年代初兴起的柔性装夹技术的现状,分别简述了组合夹具、相变夹具、可编程夹具及其它柔性夹具的原理、特点及存在的问题。
Analysis and control technique of fixturing deformation mechanism of thin-walled workpiece 薄壁件的装夹变形机理分析与控制技术
Fuzzy Synthetic Evaluation for Fixturing Solution The fixturing techniques advanced with the development of the industry. 装夹方案的模糊综合评价方法夹具的发展与制造系统的发展是同步进行的。
The proposed computing model of contact forces, which is verified by presented example, can be used to verify the form closure of fixturing, and to design locators and clamps. 利用提出的接触力计算模型可以检验工件夹紧的封闭性,并为定位元件和夹紧元件的结构设计提供理论指导。
Rapid Location and State Memory Fixturing Technique and a New Universal Fixture System 快速寻位与状态记忆的工件安装技术与新型夹具系统
11 Develops a high-functional 3D modular fixture using some theories of grasping [ 11] Since grasping and fixturing have many similarities, their researches can benefit from each other. 11运用抓取的相关理论研发了一套高性能的三维组合夹具[11]注意到抓取与夹持有着许多共性,它们的研究可以相互借鉴。
The precision automatic assembly system for micro parts is widely used in the variety of fields. The importance of fixturing is often underestimated in the development of precision assembly system for miniature products. 因此微小型产品精密自动装配系统被广泛研究应用于以上各种领域,但是装配夹其的重要性在微小型产品精密自动装配系统中常常被低估。
The feature-based workpiece integration model is developed. Fixturing feature model, feature information pick-up process, feature identifying and feature mapping method are analyzed. 分析了基于特征的工件集成模型,重点研究了装夹特征模型、装夹特征提取流程、约束特征识别方法和特征映射方法。