GB/T 44245-2024《重型机械 再制造设计规范》是中国针对重型机械设备再制造过程中的设计环节制定的一项国家标准。此规范旨在促进重型机械行业的可持续发展，通过规范再制造设计流程，提高再制造产品的质量和性能，同时降低资源消耗与环境影响。以下是该标准的主要内容概述：

　　范围：本标准明确了适用于各类重型机械在再制造过程中的设计原则、要求及方法，包括但不限于工程机械、矿山机械、冶金机械等大型设备的再制造设计。

　　术语和定义：为确保标准应用的一致性，首先对再制造、再制造设计、剩余寿命评估等关键术语进行了明确界定。

　　基本要求：强调在再制造设计初期需进行综合评估，包括原设备的状态分析、再制造可行性评估以及环境与经济效益预测。要求设计应遵循循环经济原则，注重材料与能源的高效利用。

　　设计原则：提出以提升产品全生命周期性能为目标，采用模块化、标准化设计，便于拆解、修复及替换零件。鼓励采用新技术、新材料，提高再制造件的性能与可靠性。

　　关键部件再制造设计：针对发动机、传动系统、结构件等核心部件，规定了具体的再制造设计要点，如表面工程技术的应用、磨损与损伤评估方法、强度与刚度复核标准等。

　　再制造工艺选择与优化：指导如何根据部件材质、损伤程度选择合适的清洗、修复、加工及装配工艺，确保再制造过程的技术经济性和环境友好性。

　　质量控制与检测：规定了再制造产品质量控制体系的建立要求，包括检测标准、检验方法及合格判定准则，确保再制造产品达到或接近新产品的性能水平。

　　环境与安全要求：强调再制造设计需符合国家环保及安全生产标准，减少有害物质使用，确保再制造作业的安全性。

　　信息管理与追溯：要求建立再制造产品全生命周期信息管理系统，实现从原材料到再制造件的全程追溯，便于质量管理与持续改进。

　　附录：提供了相关技术参数、参考表格、案例示例等辅助资料，为实际操作提供具体指导。

　　前言··························································································································Ⅲ

　　1范围·······················································································································1

　　2规范性引用文件········································································································1

　　3术语和定义··············································································································1

　　4再制造一般要求········································································································2

　　5再制造工艺设计········································································································2

　　6再制造材料设计········································································································2

　　7再制造方案设计········································································································2

　　7.1再制造方案设计流程····························································································2

　　7.2初步评估···········································································································3

　　7.3拆解·················································································································3

　　7.4清洗·················································································································3

　　7.5再制造毛坯检测··································································································4

　　7.6再制造性评价·····································································································5

　　7.7再制造表面增材工艺····························································································5

　　7.8再制造加工········································································································5

　　7.9再制造产品检测··································································································6

　　7.10装配················································································································6

　　7.11涂装················································································································6

　　7.12再制造设计示例·································································································6

　　附录A（资料性）典型重型机械产品再制造设计方案···························································7

　　附录B（资料性）重载十字轴式万向轴辊端轴套组件再制造设计示例·······································9

　　本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

　　请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

　　本文件起草单位：泰尔（安徽）工业科技服务有限公司、泰尔重工股份有限公司、太原通泽智能工程

　　股份有限公司、中国重型机械研究院股份公司、太原重工股份有限公司、中重科技（江苏）有限公司、南

　　本文件主要起草人：黄东保、夏清华、丘铭军、李敏、阎颖、马步强、邱立朋、占小红、王璐、刘勇、

　　夏娟、吴量、董振启、谷铮铮、蔡志海、葛燕飞、吴松、王磊磊、周新远、柳建、朱长江、周继红、魏伟、

　　本文件规定了重型机械产品及零部件再制造设计的一般要求、再制造工艺设计、再制造材料设计、

　　下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文

　　件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于

　　GB/T28612和GB/T28619界定的以及下列术语和定义适用于本文件。

　　对因功能性损坏或技术性淘汰等原因不再使用的产品进行专业化修复和（或）升级改造，使其功能

　　为实现再制造的最佳价值，在技术、工艺、材料、功能、性能、质量、成本、环境等方面对再制造毛坯

　　由于功能性损坏、技术性淘汰或达到使用期限等原因，导致不能或不适合继续使用，但蕴含再次使

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