我相信所有发运的机器都经过预装配(检验)。
I believe that all the machines to be shipped have been pre-assembled (inspected).
在此基础上，阐述协同数字化预装配技术的概念。
Then the concepts of collaborative digital pre-assembly techniques are presented.
汽车线束预装配是在整车线束中提取多个子线束的过程。
Automobile wire-harness pre-assembly is the process to extract independent sub-wire-harnesses from the entire wire-harness.
为了在预装配过程中能够在锭子轴承箱和压力辊之间进行调整，设置调整辅助件。
Adjustment AIDS are provided which permit an adjustment between the spindle bearing housing and pressure rollers on said pre-assembly.
协同虚拟装配是借助于网络对产品进行数字化预装配，它是敏捷化设计与制造的基础。
The cooperative virtual assembly is a kind of pre assembly for product in digital mode by network, and a basis of agile design and manufacture.
通过对数字化预装配方法的分析，提出了基于数字化产品设计模型的装配公差分析和优化方法。
The assembly tolerance analysis and optimization method based on digital product design model is put forward according to the analysis of digitalization preassembly method.
虚拟装配是虚拟制造的关键技术之一，可在产品设计阶段进行预装配，验证装配工艺的正确性。
Virtual assembly is the key technology of virtual manufacture, virtual products can be pre-assembled at design stage of products, and the correctness of assembly process plans can be verified.
产品包括：螺栓、螺钉、螺柱、U型螺栓、预装配的螺钉和垫片组件以及与预装配组件一样加工的无垫圈产品。
Products included are bolts, screws, studs, U-bolts, preassembled screw and washer assemblies (sems), and products manufactured the same as sems except without washer.
介绍一种在现有制造精度基础上，利用国外的精密轴承，通过人为干预装配过程来提高主轴回转精度的行之有效的方法。
This paper introduces an effective method to improve rotary precision of the spindle by person-controlled assembly and by using foreign precision bearing on the basis of present machining precision.
介绍了一种自行研制的装配专机，适用于汽车“盖板总成(预装配)”中将“调整螺钉总成”拧进“盖板总成”的装配工序。
This paper presents the customized equipment suitable to screw "adjusting bolt module" in "cover sheet assembly (preassembly)" for automobile assembling process.
介绍了一种自行研制的装配专机，适用于汽车“盖板总成(预装配)”中将“调整螺钉总成”拧进“盖板总成”的装配工序。
This paper presents the customized equipment suitable to screw "adjusting bolt module" in "cover sheet assembly (preassembly)" for automobile assembling process.
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