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    There are three objectives according to classification of Toyota Automobile Corporation in sequencing for mixed-model assembly lines.
    按照日本丰田公司的分类方法,混流生产线投产排序主要有三个目标:目标1是均衡混流生产线上每个工位的装配时间
    But in current research, the questions of how to handle the relation of the cost and time and how to meet customers'need quickly through shortening assembly time have not been research thoroughly.
    但在现有的研究中,对如何处理大规模定制中时间和成本这两大挑战的关系问题以及制造企业如何通过缩短装配时间实现对客户需求的快速响应缺乏深入研究。
    Last ,adhesive theories between wood and aqueous polymer isocyanate adhesives for wood were studied. There was chemical reaction between API adhesive and wood by FTIR and ESCA.
    通过差示扫描量热法(DS*)得出:API胶粘剂和木材间发生的反应所需活化能远小于API胶粘剂的主剂+固化剂的活化能,亦即用API胶粘剂胶接木材时发生的反应要比API胶粘剂本身的固化反应容易得多,所以在实际应用中须特别注意装配时间
    This paper present a kind of Pro/E based visual assembly simulation system, with which a product at a design stage can be pre-assembled through the simulation of process of assembly, the course of assembly process can be verified and improved. It can also dramatically show the assemblability of the product, therefore, the efficiency of assembly can be improved and the time and cost of assembly can also be reduced.
    本文所提出的基于Pro/E的可视化装配仿真系统能在产品的设计阶段,通过装配过程的仿真实现虚拟产品的预装配,验证和改进产品的装配工艺过程,生动直观地展示产品的可装配性,从而提高产品的装配效率,减少装配时间和费用。
    In the early of design . virtual assembly techniques will concern the problem about assembly and assembly cost and so on. Thus .
    虚拟装配技术在设计阶段早期就全面的考虑产品的可装配性、装配时间和装配成本、装配顺序和路径等相关问题,从而缩短了产品的开发周期,提高企业的经济效益。
    According to the information collected from the assembly line, the mathematic model is firstly established, and the optimization criteria such as makespan, accessibility and scheduling cost are concerned.
    首先根据调研期间获得的资料建立问题的数学模型,考虑了装配时间、可装配性和调度成本等指标。
    Firstly, this paper has been studied the methods of dividing products into different modulars and the assembly sequence planning(ASP) which is the foundation work of time optimization. Based on the post research,the dividing modular mothed and the ASP for shortening assembly time are put forward.
    论文首先对大规模装配定制时间优化问题的基础工作——模块划分和装配顺序规划进行了研究,在原有研究基础上,给出了优化装配时间的模块划分方法和并行装配顺序规划方法。
    3. Assembly Sequence EvaluationThe criterions of the most assembly angle, a reorientation, assembly parallelism,subassembly stability, assembly operation complexity, assembly clustering, assemblyhardness, assembly cost and their corresponding algorithm are proposed.
    3.装配序列评价给出了最大装配角、装配重定向数、装配并行度、子装配体稳定性、操作复杂性、聚合性、装配时间等评价指标,并提出了个评价指标的算法。
    This paper considers the problem of optimizing the PCB assembly planning which contains several heads and types of components, and the intention is to propose an optimization method which has a better performance, lower complexity and higher practicability, so that we can reduce the overall assembly time and improve the system productivity.
    本文对贴片机装配工艺优化进行了研究,旨在对包含多个贴片头、多种类型元件的印刷电路板(PCB)贴装工艺提出一种性能较好、复杂度较低、易于实现的优化方案,以缩短PCB的装配时间,提高SMT系统的生产效率。
    First, on the base of detailed investigation on the general situation, study standard and develop trend, we comprehensively elaborated the principle and correlative characteristics of the assembly line, put forward the designing requirement of it, defined the parameter which include output, assembly time and cycle time.
    本文首先在分析水泵装配流水线研究概况、水平及其发展趋势的基础上,全面阐述了装配流水线的原理及相关特性,给出了流水线的设计要求,明确了具体设计的参数指标,即流水线的产量、流水线的装配时间和流水线的节拍。
    This paper presents a kind of UG based digital assembly simulation system, with which a product at a design stage can be pre-assembled through the simulation of assembly process, the course of assembly process can be verified and improved. It can also display the assemblability of the product, therefore, the assembly efficiency of product can be improved and the time and cost of assembly can be reduced.
    本文所提出的基于UG的数字化装配仿真系统能在产品的设计阶段,通过装配过程的仿真实现数字化产品的预装配,验证和改进产品的装配工艺,生动直观地展示产品的可装配性,从而提高产品的装配效率,减少装配时间和费用。
    At the early stage in product design, virtual assemble technology studies the interrelated problems such as assemble-ability, time to market, cost, assembly sequence and path planning, thereby shorten the cycle of product design and improve the enterprise performance.
    虚拟装配技术在产品设计阶段全面考虑产品的可装配性、装配时间和装配成本、装配顺序和路径等相关问题,从而缩短了产品的开发周期,提高了企业的经济效益。
    For improving the quality and shortening the assembling period of ship hull construction, many of ship builders in the world have paid great attention to working out the accuracy control problem in ship construction by means of tolerance theory in machine manufacturing.
    为了提高船体建造质量和降低装配时间,国内外造船界的许多人都十分重视运用机械制造中“公差与配合”的理论和方法,探索解决船体建造中的精度控制问题。 本文应用“尺寸链的理论与方法”对船体平面分段构件在加工、装配中的误差扩散与控制进行了研究。
    The experimental setup we built can carry out assem-bly operation in arbitrary direction in an average time of 1.8 seconds,even under the condition of uncham-fered parts.
    整个系统由一台 IBM-PC 计算机通过 C 语言和宏指令进行控制,根据力反馈进行搜索孔和插孔,可以完成沿任意方向的精密装配操作. 平均装配时间1.8s.
    FPMW and general purpose robot PUMA562 constructs a macro/micro manipulator system. Instructed by the force/torque planar searching hole strategy, the robot macro/micro manipulator system accomplishes successfully the precise peg-in-hole assembly work. The average working time is only about 4.2 seconds.
    介绍了一种具有力觉功能的新型机器人二自由度平面微操作器(FPMW).研制了具有四种选择细分数功能的FPMW高细分驱动器.FPMW与普通工业机器人PUMA562组成宏/微操作器系统,在开发的基于力/力矩信息的平面搜孔软件的指挥下,机器人宏/微操作器系统成功完成了精密轴孔装配作业.平均装配时间4.2秒.
 

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