Rivian R1T主体和框架结构已从各种材料的不同等级组装中。这些材料包括但不限于踩踏钢,铝板,铝挤出,镁铸件和模制塑料。开始维修之前,请参阅本文档中的表格和图表,以引用正在处理的材料的类型以及每种材料类型的允许操作。
通函编号附录 2。314-04-1778c,日期为 2022 年 5 月 27 日,《海船入级与建造规则》,2021 年,ND 号。2-020101-138-E 第十三部分。材料 2 钢和铸铁 1 第 3.5.1.1 - 3.5.1.2 段由以下文字替代:ʺ 3.5.1.1 本要求适用于船舶和 MODU/FOP 结构和机械中使用的以下材料:F 级高强度钢板、钢带、型材和棒材;强度等级为“Arc”的高强度和高强度钢板、钢带、型材和棒材;锻件和铸件在所要求的零下温度下具有确认的耐寒性能。3.5.1.2 根据规定的强度等级和操作条件(包括轧制产品的制造、检验、标识、标记和文件),轧制产品的一般要求在 3.2、3.13、3.14 和 3.17 中给出。锻件和铸件的制造、检验、标识、标记和文件的一般要求分别在 3.7 和 3.8 中规定。锻件和铸件的无损检测要求在《船舶建造技术监督和船舶材料及产品制造规范》第 III 部分“材料制造技术监督”2.5 中规定。强度更高的 F 级钢轧制产品的附加要求在 3.5.2 中给出。3.5.3 给出了带有“Arc”标记的钢材的附加要求。3.5.4 给出了厚度为 15 毫米及以下的轧制产品的附加要求。3.5.5 和 3.5.6 分别给出了在所需零下温度下具有确认的耐寒性能的锻件和铸件的附加要求。ʺ。2 用下列文字代替第 3.5.3.1.1 款:ʺ 3.5.3.1.1 “Arc”是添加到钢种名称中的符号,该钢种根据注册程序进行了附加试验,以确定延展性和抗寒性能(参见 2.2.10 和 3.5.3.3 - 3.5.3.3.5),满足 3.14 要求的 Z 性能相关要求,不低于 35%。应在符号旁边标明最低材料使用/操作温度 Т d(不带减号),在此温度下,钢材可用于任何结构构件,不受限制。名称示例:PCF40Arc30。被认可为“Arc”指数钢材制造商的公司可以提供该指数的轧制产品,并且温度值在-10°C至Т d .ʺ范围内。3 表 3.6.3 。在“试验温度,℃”栏中,数值“720”由“-20”替代。4 第 3.7.1.2 款由下列文字替代: ʺ 3.7.1.2 本章的要求仅适用于钢锻件(或按 3.7.1.1 规定代替钢锻件时为轧制钢),其名称是根据室温下的性能确定的。在所需的零下温度下具有确认的抗寒性能的锻件的附加要求在 3.5.5 中给出。
制造阶段。铸件应在成品状态下接受 100% 的全面目视检测。RS 检验员应进行一般目视检查。表面不得有缺陷,否则可能会导致螺旋桨在运行过程中损坏。注册代表可以要求对可疑表面部分进行调查,包括金属蚀刻,特别是在修复焊接之前。
第 1 节。一般····················································································································· 3 第 2-1 节。轧制钢 ············································································································ 7 第 2-2 节。轧制钢半成品 ························································································ 15 第 2-3 节。用于高热输入焊接的轧制钢 ··········································· 17 第 2-4 节。YP47钢板········································································································· 19 第2-5节。具有改进的疲劳性能的船体结构钢 ····························· 21 第 3 节。钢管 ··································································································· 24 第 4 节。铸件和钢锻件·· ... ·· ...铜和铜合金管 ·············································································· 35 第 8 节。特殊铸铁阀门 ·· ... ·· ...船用链条附件····························································································· 44 第 10-3 节。海上链条和链条附件·································································· 46 第 11 节。钢丝绳· ... ·· ... ·························································································· 60
第 1 节。一般····················································································································· 3 第 2-1 节。轧制钢 ······································································································ 8 第 2-2 节。轧制钢半成品 ········································································ 16 第 2-3 节。用于高热输入焊接的轧制钢 ········································ 18 第 2-4 节。YP47钢板···································································································· 20 第2-5节。具有改进疲劳性能的船体结构钢····································· 22 第2-6节。焊接结构用高强度钢 ························································· 25 第 3 节。钢管 ·· ... ·· ... ·· ...铜和铜合金管··········································································· 44 第 8 节。特殊铸铁阀门·············································································································· 48 第 9 节。锚·· ...船用链条附件····························································································· 53 第 10-3 节。海上链条和链条附件····································································· 55 第 11 节。钢丝绳· ... ·· ...锅炉与压力容器··········································································································· 70
摘要 这些课程材料是金属加工四部分中专课程的第一部分。该课程是军方开发的一系列课程包中的一门,这些课程包被选中用于职业指导和民用课程开发。第一部分,氧乙炔焊接简介*包含七节课,涵盖五十四个小时的教学:车间和航线安全实践、带式工具、焊接设备的操作和维护、碳钢的焊道和搭接接头、碳钢的对接接头、碳钢的 T 形接头和位置焊接。第二部分,氧乙炔焊接、切割;焊接、钎焊;和硬表面,包含七节课,涵盖四十小时的教学:机械制图和蓝图阅读、焊接和耐腐蚀铁合金的接头、碳钢的切割、银和铅焊接、钎焊钢和灰铁铸件、熔焊铁铸件和巴德表面处理。教师材料包括课程表、详细的课程计划和教学计划,其中包含教学单元、标准目标和所需的其他材料。学生材料包括每个模块的学习指南,其中包含目标、信息、复习练习和每节课的参考资料:车间安全的编程文本:焊接术语词汇表的讲义:和讲义书目。不提供建议的视听材料。lYLE)
项目概述和目标:由弗吉尼亚理工大学牵头、美国铸造协会 (AFS) 赞助的 AMC 研究项目正在使用 3D 打印砂型铸造技术生产复杂的金属陶瓷复合铸件。与传统的绿砂或粘结砂型铸造相比,这为设计师提供了更大的自由度。该项目以 3D 打印砂型铸造的先前研究和包含陶瓷或硬质金属嵌件的复杂能量吸收铸件的设计为基础,以扩大规模并在各种材料和应用中实施该技术。
肚皮和新生活计划是通过与当地的Wayilwan语言和文化社区团体的Warraan Widji Arts合作建立的。由新南威尔士州原住民事务部,肚子和新生活资助,利用文化舞蹈,语言和音乐来鼓励第一民族的孕妇用长老粉刷肚皮铸件,并同时通过AHW的支持将其与MCFH服务相连。该计划强调了与AHW合作解决服务差距的MCFH服务的重要性。此外,它已经成功建立了信任,以促进疫苗接种和幼儿健康和发展检查,这些家庭不仅易受伤害,而且以前脱离了疫苗。
飞机发动机零件、部件或组件的潜在替代制造来源需要提供证据,证明所提供的特定物品在使用寿命、强度、耐久性、形状、配合度和功能方面达到或超过原始制造商提供的相同物品。本文件包括替代制造来源批准的证明要求。替代来源批准的候选人需要向陆军航空兵和部队司令部 (USAATCOM) 工程局提交一份旨在满足证明要求的计划。USAATCOM 工程局将审查该计划,以确保拟议的测试足以确定要制造的物品与原始物品相同。飞行安全零件信息系统 (FSPIS) 中的工程测试表 (ETT) 列出了通常需要对使用主承包商或政府批准的材料、铸件、锻件和工艺来源的替代来源进行的测试。确定了飞行安全零件 (FSP) 和关键特性。申请批准的潜在替代制造来源需要提交零件、组件或组件的书面证实数据,才能成为合格供应商。这些数据应包括但不限于候选制造产品的能力、制造计划(包括锻造、铸件等来源),