A Graphing Method to Solve the Compensating Relation of Geometric Tolerance and Dimensional Tolerance 作图法求解形位公差和尺寸公差相互补偿关系
In this article, in order to solve the relation of geometric tolerance and dimensional tolerance concisely, intuitively and easily, a graphing method is used. 采用作图法求解尺寸公差和形位公差的相互补偿关系,能简洁、直观地得出结果。
Calculation Methods& Steps of Working Operation Dimensions and Tolerances-While Non-coincidence References For detailed dimensional tolerance and technical data, please see table I 、 table II. 基准不重合时工序尺寸及公差的计算方法详细的尺寸公差及技术指标见表I、II。
Mathematical model of dimensional tolerance of straight line based on variation along DOF 基于自由度变动的直线尺寸公差数学模型
One is using dimensional tolerance and the other is profile tolerance. 一种意见是在建立了形位公差概念之后,应采用尺寸公差;
For detailed dimensional tolerance and technical data, please see table I 、 table II. 详细的尺寸公差及技术指标见表I、II。
In recent years, enterprise standards are adopted in the selection and annotation of dimensional tolerance for mold parts. 近年来在企业中模具图纸尺寸公差与配合的选用和标注大量使用企业标准。
Expounds how to customize the drawing marking according with national standard of machining drawing, when making mechanical engineering drawing with AUTOCAD. The method of the marking of text, size, and dimensional tolerance are introduced. 阐述了利用AUTOCAD绘制机械工程图时,如何使图纸上的标注符合《机械制图》国家标准,介绍了文字标注、尺寸标注和尺寸公差标注的实现方法。
By means of dimensional chain method, compensation relation of dimensional tolerance and shape tolerance in minimum material requirement and its reverse requirement of tolerance principle were analyzed. Application of the two requirements to actual production was represented. 应用尺寸链解法分析了公差原则中最小实体要求及其可逆要求中尺寸公差与形位公差的补偿关系,阐明了两种要求在实际生产中的应用。
A Design Method for Statistical Dimensional Tolerance 统计尺寸公差的设计方法
Three examples are studied to demonstrate that the system can effectively design dimensional tolerance and geometric tolerance, and integrate tolerance design and tolerance evaluation. 三个实例分析验证了此系统可有效地实现尺寸公差和形位公差的综合设计,同时完成了公差评价系统和公差优化设计系统的有机集成。
The Function and Control of the Statistical Dimensional Tolerance 统计尺寸公差的功能及控制
A UV-exposure model and a dimensional tolerance model based on Fresnel diffraction theory are established by considering the impact of the refractive index and absorption coefficient of SU-8 photoresist on dimensional precision of UV-lithography. 在考虑了SU-8的吸收系数和折射系数对紫外光刻尺寸精度影响的基础上,根据菲涅耳衍射理论建立了紫外曝光改进模型和尺寸公差模型,对SU-8微结构的尺寸及其公差进行数值模拟。
Study on Dimensional Tolerance Inquiry and Label System of Plastic Mold Structural Part 塑料模具结构零件尺寸公差查询和标注系统的研制
The method can be used to synthetically design dimensional tolerance and geometric tolerance. Examples are analyzed to show the scheme to be effective. 设计过程中形位公差的合理选注此方法可适用于尺寸公差和形位公差综合设计,实例分析验证了此方法的有效性。
Automatic Mark of Dimensional Tolerance for Injection Mold Based on UG 基于UG的注塑模尺寸公差自动标注
Based on Fresnel diffraction theory, an UV-exposure model and a dimensional tolerance model were established. 本文根据菲涅耳衍射理论建立了紫外曝光模型和尺寸公差模型。
According to actual distribution of dimensional tolerance, angular tolerance, and geometrical tolerance, the process capability index is used to evaluate the actual process capability of machining operation. 根据制造过程中尺寸误差、角度误差和形位误差的分布特点,研究用加工能力指数来表示加工能力的方法。
A new quality oriented statistical tolerance and the representation of statistical tolerance zone are discussed on the basis of statistical dimensional tolerance standards of Germany and China as well as the existing representations of statistical tolerance zone. 在对德、中两国统计尺寸公差标准和现有统计公差及公差带表示方式简要介绍的基础上,重点讨论了作者提出的一种基于质量目标的统计公差模式和统计公差带的表达。
On evaluating the original design of bearing housing and bearing retainer and analyzing the actual processing, the modification on dimensional tolerance of bearing housing and shaft bearing retainer is proposed to acquire ideal end-play. 通过评价轴承室和轴承档的原设计思想和分析实际加工情况,提出以修改端盖轴承室及转轴轴承档的尺寸公差来取得理想的径向游隙的设计思想。
Through calculating and analyzing the actual assembly accuracy, the paper establishes two ways to enlarge dimensional tolerance to reduce machining cost and raise economic efficiency. 通过实际装配精度的计算和分析,提出两种方法,扩大尺寸的公差,降低了加工难度,提高经济效率。
The influence of the dimensional tolerance elements on the digital assembly quality of holes and shaftes was analyzed, the dimensional tolerance matching elements were discussed and their implement technology method was put forward. 分析了尺寸公差要素对孔轴数字装配质量的影响,提出了实现尺寸公差匹配的技术方法,对产品数字装配技术的研究具有理论与实际意义。
According to tolerance evolving model and algorithm in conceptual structure design of the products, the dimensional tolerance design is studied combined with functional mode which is consist of functional surface; 依据产品概念结构设计中的公差进化模型和算法,结合由功能表面组成的功能模式研究了尺寸公差设计。
Determining the Dimensional Tolerance for Plastics Products Based on the Materials and Moulding Conditions(ⅰ)── Influence Factors and Shrinkage Property 按材料和模塑条件确定塑料制品尺寸公差(Ⅰ)&影响因素与收缩特性
The research on the design methods of dimensional tolerance 尺寸公差若干设计方法分析
Study on Dimensional Tolerance of SU-8 Photoresist Microstructures SU-8胶微结构的尺寸公差研究
Analysis and Calculation on the Mutual Compensation of Dimensional Tolerance and Shape-Position Tolerance 尺寸公差和形位公差互相补偿的分析与计算
Designing rectangular coupled cavity chain with slots is a way to reduce the demanding requirements of geometric dimensional tolerance of slow-wave structure on the fundamental. 设计带槽耦合的矩形膜片耦合腔链型慢波系统是从根本上降低慢波系统零件轴线几何尺寸公差的苛刻要求的方法之一。