ICS

25.030

CCS

H70

中華人民共和國國家標準

GB/T44194—2024

增材制造金屬粉末再利用技術規(guī)范

Additivemanufacturing—Technicalspecificationforreuseofmetalpowder

2024-07-24發(fā)布2024-07-24實施

國家市場監(jiān)督管理總局發(fā)布

國家標準化管理委員會

GB/T44194—2024

目次

前言

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Ⅲ

1

范圍

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1

2

規(guī)范性引用文件

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1

3

術語和定義

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1

4

一般要求

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2

4.1

再利用策略

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2

4.2

檢測要求

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2

4.3

過程實施要點

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2

5

粉末再利用策略

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2

5.1

一次性使用粉末

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2

5.2

單次填裝粉末循環(huán)使用（策略1）

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2

5.3

每次成形補充原始粉末（策略2）

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3

5.4

按照頻率補充原始粉末（策略3）

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4

5.5

隔離、遞減消耗且不補充原始粉末（策略4）

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5

5.6

隔離、遞減消耗且補充原始粉末（策略5）

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6

6

檢測要求

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7

6.1

分類

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7

6.2

檢測

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7

6.3

取樣

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8

6.4

結果判定

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8

7

粉末再利用過程控制要求

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8

7.1

關鍵變量

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8

7.2

工藝環(huán)境

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8

7.3

粉末處理裝置校準和驗證

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8

7.4

粉末處理裝置維護

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8

7.5

污染物控制

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9

7.6

過程記錄

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9

附錄A（資料性）

再利用策略對比

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10

附錄B（資料性）

再利用過程變量

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11

附錄C（資料性）

校準和驗證要求

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14

Ⅰ

GB/T44194—2024

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規(guī)則》的規(guī)

定起草。

請注意本文件的某些內容可能涉及專利。本文件的發(fā)布機構不承擔識別專利的責任。

本文件由中國機械工業(yè)聯合會提出。

本文件由全國增材制造標準化技術委員會（SAC/TC562）歸口。

本文件起草單位：中國航發(fā)商用航空發(fā)動機有限責任公司、西安增材制造國家研究院有限公司、

無錫市檢驗檢測認證研究院、南京航空航天大學無錫研究院、浙江閃鑄集團有限公司、北京煜鼎增材制

造研究院股份有限公司、國營蕪湖機械廠、中國核動力研究設計院、中航邁特增材科技（北京）有限公

司、中國食品藥品檢定研究院、北京動力機械研究所、中機研標準技術研究院（北京）有限公司、太行

國家實驗室、南京航空航天大學、中國船級社、西北有色金屬研究院、上海材料研究所有限公司、南京

鋮聯激光科技有限公司、南京尚吉增材制造研究院有限公司、北京市春立正達醫(yī)療器械股份有限公司、

廈門漢印股份有限公司、石嘴山市寶馬興慶特種合金有限公司、西安賽隆增材技術股份有限公司。

本文件主要起草人：何艷麗、雷力明、侯穎、張棟兵、胡娟、沈理達、李皓峰、錢婷婷、董定平、

何戈寧、高正江、王健、馬瑞、薛蓮、石磊、戴寧、周瀚森、張學哲、楊啟云、王林、陳小龍、

解鳳寶、林錦毅、魏創(chuàng)林、車倩穎。

Ⅲ

GB/T44194—2024

增材制造金屬粉末再利用技術規(guī)范

1范圍

本文件規(guī)定了增材制造用金屬粉末再利用的一般要求、策略、檢測要求與過程控制要求。

本文件適用于非連續(xù)、單一材料粉末床熔融和定向能量沉積工藝金屬粉末的再利用策略制定、檢測

要求確定和過程控制，其他工藝粉末的再利用參照使用。

2規(guī)范性引用文件

下列文件中的內容通過文中的規(guī)范性引用而構成本文件必不可少的條款。其中，注日期的引用文

件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用

于本文件。

GB/T35351增材制造術語

GB/T39251—2020增材制造金屬粉末性能表征方法

3術語和定義

GB/T35351和GB/T39251界定的以及下列術語和定義適用于本文件。

3.1

回收粉末recoveredpowder

從設備給料區(qū)、成形區(qū)、溢流區(qū)以及零件內部回收的混合粉末。

注：若給料區(qū)回收的粉末作