模锻锤和大型机械锻压机用模块 Die-blocks used for die-forging hammers and large mechanical forging presses  ICS  25.120.10 CCS  J 46   中华人民共和国国家标准 GB/T 11880—2024 代替 GB/T 11880—2008 2024-09-2 9发布 2025-04-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     技术要求   ······························································································   1      4.1     原材料   ···························································································   1      4.2     锻造工艺   ·························································································   3      4.3     成品   ······························································································   3 5     试验方法   ······························································································   5 6     检验规则   ······························································································   5      6.1     组批规则   ·························································································   5      6.2     取样   ······························································································   5      6.3     复验和判定规则   ·················································································   6 7     标记   ··································································································   6 8     标志、包装、运输和贮存   ············································································   6      8.1     标志   ······························································································   6      8.2     包装   ······························································································   7      8.3     运输   ······························································································   7      8.4     贮存   ······························································································   7 GB/T 11880—2024     Ⅰ 前　　言 本文件按照GB/T 1.1—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 定起草。 本文件代替GB/T 11880—2008《模锻锤和大型机械锻压机用模块技术条件》，与GB/T 11880—2008相 比，除结构调整和编辑性改动外，主要技术变化如下： 更改了模块化学成分偏差的要求，对面积的区间划分作出了调整，扩大了Mo、V、W成分的 范围（见表1，2008年版的表2）；— 更改了模块热处理的要求，根据不同原材料规定了相应的硬度值（见4.3.1，2008年版的 3,9）；— 增加了截面尺寸规格，新增了4种宽度、4种高度规格（见表4）； — 更改了锻造工艺的要求（见4.2，2008年版的3.6）； — 更改了内部质量的要求（见4.3.3，2008年版的3.7、3.8、3.10）； — 增加了化学成分、金属流线、低倍组织、非金属夹杂物、表面质量、尺寸的试验方法（见表5）； — 更改了超声检测方法（见表5，2008年版的4.5）； — 更改了组批规则，使其适用于所有检验项目（见6.1，2008年版的4.3）； — 增加了各个检验项目取样数量、取样部位的要求（见6.2）； — 增加了复验和判定规则（见6.3）。 — 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。 本文件由全国模具标准化技术委员会（SAC/TC 33）提出并归口。 本文件起草单位：湖北三环锻造有限公司、中国机械总院集团北京机电研究所有限公司、闽南理工 学院、常熟市龙腾新能装备科技有限公司、中特泰来模具技术有限公司、溧阳市金昆锻压有限公司、 深圳中航技术检测所有限公司、招阳科技（武汉）有限公司、浙江鑫哲模具有限公司、河南亚兴精锻股 份有限公司、山东顺发重工有限公司、济南恒鑫锻造有限公司、济南嘉德锻造有限公司、浙江摩多巴克 斯科技股份有限公司、山东圣利锻造有限公司、浙江锐泰悬挂系统科技有限公司、安徽江淮汽车集团股 份有限公司、桂林电器科学研究院有限公司。 本文件主要起草人：张运军、姜超、颜文煅、霍晓飞、卢伟炜、徐文博、吴习波、王铁钢、 楼来哲、班兴建、张扬、王国防、翟盼盼、陆志伟、高光明、武建祥、张广和、闫来平、阮林凡、 刘春雨、王冲。 本文件及其所代替文件的历次版本发布情况为： 1989年首次发布为GB/T 11880—1989； — 2008年第一次修订为GB/T 11880—2008； — 本次为第二次修订。 —   GB/T 11880—2024     Ⅲ 模锻锤和大型机械锻压机用模块 1　范围   本文件规定了模锻锤和大型机械锻压机用模块的原材料、锻造工艺及成品要求，描述了相应的试验 方法，规定了检验规则、标记、标志、包装、运输和贮存。 本文件适用于模锻锤和大型机械锻压机（含螺旋压力机）用合金钢锻制模块的制造。 注：在不引起混淆的情况下，本文件中的“模锻锤和大型机械锻压机用模块”简称为“模块”。 2　规范性引用文件   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 于本文件。 GB/T 223　钢铁及合金（所有部分） GB/T 226　钢的低倍组织及缺陷酸蚀检验法 GB/T 231.1　金属材料　布氏硬度试验　第1部分: 试验方法 GB/T 1299—2014　工模具钢 GB/T 1979　结构钢低倍组织缺陷评级图 GB/T 4336　碳素钢和中低合金钢　多元素含量的测定　火花放电原子发射光谱法（常规法） GB/T 6402—2008　钢锻件超声检测方法 GB/T 8541　锻压术语 GB/T 10561—2023　钢中非金属夹杂物含量的测定　标准评级图显