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GB/T 46153-20253D printing equipment for casting sand mould — Testing of the accuracy (English PDF)

铸造砂型3D打印设备　精度检验

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 29, 2025

Implementation date

March 1, 2026

Scope

GB/T 46153-2025 is the English-translated version of 铸造砂型3D打印设备　精度检验.

GB/T 46153-2025 is the Chinese national standard covering the accuracy of a binder jetting machine for sand moulds — the test artefact and its features, the positional and dimensional deviation across the build box, the layer thickness and the recoater, the surface and the edge definition, and the repeatability from build to build. First edition, under the China Machinery Industry Federation. In force from 1 March 2026. Issued on 29 August 2025, it has been in force since 1 March 2026.

Document preview — GB/T 46153-2025

National Standard of the People's Republic of China

ICS: 25.120.30
Classification: J 61

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceIII
1 Scope1
2 Normative References1
3 Terms and Definitions1
4 Test environmental conditions2
5 Equipment accuracy inspection methods3
5.1 General Principles3
5.2 Inspection Tools3
5.3 Geometric accuracy inspection3
5.4 Positioning accuracy inspection11
5.5 Printing accuracy inspection11
5.6 Test Results and Representation12
6 Inkjet accuracy inspection12
6.1 Inspection Tools12
6.2 Verify image printing13
6.3 Inspection Content and Methods13
6.4 Confirmation of test results14
7 Inspection Report14
Appendix A (Normative) Sample Form 15 of Equipment Accuracy Inspection Report16
Appendix B (Informative) Examination Image Composition16
B.1 Examine the 16 constituent elements of the image. B.2 Baseline Frame17
B.3 Straightness Zone17
B.4 Nozzle Inspection Area17
B.5 Nozzle Identification Number18
B.6 Information Identification Area18
References20
Figure 1.Structural components of a 3D printing equipment for casting sand molds. Figure 2.Straightness Comparison13
Figure 3 Comparison of missing holes14
Figure B.1 shows the arrangement structure (refer to Figure 16). Figure B.2 Arrangement Reference Diagram17
Figure B.3 Straightness Zone17
Figure B.4 100dpi nozzle inspection image (partial crop)18
Figure B.5 400dpi nozzle inspection image (partial crop)18
Figure B.6 Example 19 of Information Identification Area Table 1.Parallelism and straightness inspection of the sand-spreading module in the XY plane4
Table 4.Parallelism and straightness inspection of the printhead X-axis module in the XY plane7
Table 7 Flatness inspection of the printhead in the XY plane10
Table 8.Positioning accuracy and repeatability verification in the X, Y, and Z directions. Table 9.Verticality inspection of printed sand molds in the XY plane12

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents". Drafting.

Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.

This document was proposed by the China Machinery Industry Federation.

This document is under the jurisdiction of the National Technical Committee on Standardization of Foundry Machinery (SAC/TC186).

This document was drafted by: Shared Intelligent Equipment Co., Ltd., Hefei Ruizhi Technology Co., Ltd., and Guangdong Fenghua Zhuoli Technology Co., Ltd.

Company, CTI Testing & Certification Group Co., Ltd., Xiamen Weiliang Optoelectronic Technology Co., Ltd., Dongguan New Pivot Technology Service Co., Ltd.

Nan'an Zhongji Standardization Research Institute Co., Ltd., Zhejiang Wujing Machinery Manufacturing Co., Ltd., Jinan Foundry & Forging Institute Inspection and Testing Technology Co., Ltd.

Baoding Weier Foundry Machinery Co., Ltd., China Automotive Engineering Co., Ltd., Anqing Normal University, Yantai Binglun Intelligent Machinery Technology Co., Ltd.

Limited Liability Company, Tesla (Shanghai) Co., Ltd., Qingdao Antai Heavy Industry Machinery Co., Ltd., Qingdao Benoy Magnetoelectric Technology Co., Ltd., Qingdao Zhongzhi Da Environmental Smelting Equipment Co., Ltd., Qingdao Qingli Environmental Protection Equipment Co., Ltd., Qingdao Kaijie Heavy Industry Machinery Co., Ltd., Weihai Gongyou Foundry Machine Machinery Co., Ltd., Shandong Jiechuang Machinery Co., Ltd., Ocean University of China, Wuyang Baichuan (Qingdao) Intelligent Equipment Co., Ltd., Qingdao Sanrui Machinery Manufacturing Co., Ltd.

The main drafters of this document are: Ma Rui, Ma Yongjun, He Jiejun, Chen Huan, Jin Feng, Lin Dongjie, Zeng Sibin, Li Yi, Zhu Bin, Xue Ruili, and Liu Guoxiang.

Chen Gongju, Nie Yuhan, Liu Xiaoke, Guo Tingtao, Wang Yuanzhi, Tian Lihai, Liu Zhilong, Li Zifeng, Ji Yan, Li Haichun, Duan Yudong, Sui Chengfu Su Liguo, Wang Heming, Sun Shanshan, Cheng Kai, Liu Yonghui, Wang Derun, Wu Guangxin.

Precision inspection of casting sand mold 3D printing equipment

1 Scope

This document specifies the inspection environment conditions for casting sand mold 3D printing equipment, and describes the equipment accuracy inspection methods and inkjet accuracy inspection methods.

The law stipulates the content of the inspection report.

This document applies to the accuracy inspection of binder-jet casting sand mold 3D printing equipment.

2 Normative references

GB/T 14896.7

GB/T 17421.2

GB/T 35351

GB/T 42156-2023

3 Terms and Definitions

The terms and definitions defined in GB/T 14896.7 and GB/T 35351, as well as the following terms and definitions, apply to this document.

3.1 printhead

Components that selectively spray adhesive.

Note. A set of nozzles contains multiple nozzle holes (3.2).

3.2 Nozzle

The porous structure of the sprayed adhesive.

3.3 testpaper

A type of thermal paper used to display printed images.

Note. Used to inspect the working condition of the printhead of an adhesive jet printer.

3.4 testimage

Standard images are designed to visually inspect printhead installation, operating status, and other aspects.

3.5 printhead

During the 3D printing process, the adhesive is sprayed onto the parts according to the model slice image and process requirements as needed and in the required amount.

Note. The printhead consists of one or more sets of printheads (3.1).

[Source. GB/T 42156-2023, 3.3, with modifications]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 19 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 35351

Editions of GB/T 46153

Edition	Title	Revision	Status
GB/T 46153-2025	3D printing equipment for casting sand mould - Testing of the accuracy	current edition	Current

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