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assembly time
    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。
    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。
    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。
    The affects resulted by two pressing processes different in assembly time are analyzed.
    以装配时间作为控制参量 ,比较了不同的装配过程对过盈配合的影响 ;
    The control and guarantee of the processing precision and the improvement in the assembly technology greatly shortened the assembly time and manufacturing cycle of the die.
    加工精度的控制和保证 ,装配技术的改进 ,从而大大缩短了模具装配时间和制造周期。
    On the basis of assembly sequences planning, choices of assembly plans are studied for reducing the assembly difficulty, shortening the assembly time, etc. Constraints on the choices of assembly plans in the DFA within CE are proposed.
    在装配序列规划的基础上 ,从降低装配难度、缩短装配时间等方面对装配方案作了研究 ,提出了装配方案选择的约束条件 ,并结合实例进行了分析。
    Based on this algorithm and self-similar traffic,the assembly process is simulated. Influences on burst creation, burst length distribution,packet loss ratio,total output data,and valid information ratio are discussed by setting appropriate parameter values including ultimate burst lengths,assembly time threshold,etc.
    基于这一算法,通过网络仿真,讨论了在自相似流量时,包括突发长度极值、装配时间阈值等在内的各类参数设置对突发产生、突发长度分布、分组丢失率、输出数据总量及有效信息率等的影响.
    Ship assembly sequence evaluation model was established. Evaluation index oriented to manual assembly were defined such as part weight,assembly time,assembly stability and assembly difficulty.
    建立了船舶装配序列评价模型,确定了零件重量、装配时间、装配稳定性和装配过程难度等面向手工装配的评价指标。
 

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