动电助力转向系统的设计--大学毕设论文

电动助力转向系统的设计（初稿）重庆大学工程硕士学位论文学生姓名：刁小旭指导老师：邓兆祥 教授兼职导师： 高工 工程领域：车辆工程重庆大学机械工程学院二 O 一一年八月Research on construction design and comprehensive evaluation about H logistics park in ChongQing. A Thesis Submitted to Chongqing UniversityIn Partial Fulfillment of the Requirement for theDegree of Master of EngineeringByWang ChenSupervisor by Prof. Zhu Cai Chao Pluralistic Supervisor by Senior Eng.Mao You JunMajor: Mechanical EngineeringCollege of Mechanical EngineeringChongqing UniversityAugust 2025摘 要铝护套作为高压电缆生产工艺中的重要环节之一，具有铠装、静电屏蔽、阻水和导通故障电流等多种作用。铝护套的质量对保证电缆的安全运行有着重要的作用，这也是本文写作的动因。铝护套的生产工艺比较多，大致上可以分为：保护焊连续生产工艺、液压铝棒式连续生产工艺以及铝杆式连续挤压生产工艺。由于铝护套生产工艺属于连续生产的项目，需要从铝杆放线、电缆放线、前后牵引以及挤压成型、冷却轧纹、收线成盘等几大部分。面面俱到的进行项目介绍有一定难度，所以本文重点就铝护套成型的定径模及相关工艺进行介绍。本文依托某大型电缆企业的双铝杆式铝护套挤压机的调试和产品试制，主要分析了铝护套的生产工艺、模具设计。本文通过对各项工艺参数和模具设计的深化分析，运用模具设计理论及材料的合理选择，行成完整的讨论方案。本文的讨论结论和成果对国内铝护套生产，在理论和实践两方面有借鉴意义。关键词：铝护套，连续挤压，模具ABSTRACTToday, logistics centre as one important joint of the logistics system plays important role in the network construction in the global economic integration, regional economic integration, planning, designing and constructing a radiational function of the logistics centre, has both important significant for government, business and for the public, which is the motivation of this article.Logistics centre contains much content, from market research, the choice of size and address to the internal and external layout a...