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GB/T 39955-2021 English PDF

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US$259.00 · In stock
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GB/T 39955-2021: Additive manufacturing - Materials - Powders of Nylon 12 and its composites for powder bed fusion
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39955-2021	259	Add to Cart	3 days	Additive manufacturing - Materials - Powders of Nylon 12 and its composites for powder bed fusion	Valid

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Basic data

Standard ID: GB/T 39955-2021 (GB/T39955-2021)
Description (Translated English): Additive manufacturing - Materials - Powders of Nylon 12 and its composites for powder bed fusion
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G32
Word Count Estimation: 14,191
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39955-2021: Additive manufacturing - Materials - Powders of Nylon 12 and its composites for powder bed fusion

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Additive manufacturing - Materials - Powders of Nylon 12 and its composites for powder bed fusion ICS 25.030 CCSG32 National Standards of People's Republic of China Nylon 12 for powder bed melting of additive manufacturing material And its composite powder Released on 2021-03-09 2021-10-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Naming rules 2 5 Technical requirements 3 5.1 Powder appearance 3 5.2 Powder performance 3 5.3 Properties of formed samples 3 6 Test method 4 6.1 Powder appearance 4 6.2 Powder performance 4 6.3 Properties of formed samples 5 7 Inspection rules 5 7.1 Inspection and acceptance 5 7.2 Inspection item 6 7.3 Judgment Rule 7 8 Marking, packaging, transportation, storage and quality certificate 7 8.1 Sign 7 8.2 Packaging 7 8.3 Transportation 7 8.4 Storage 7 8.5 Quality certificate 7 9 Supply contract (or purchase order) content 8 Appendix A (informative) Recycling of used powder 9

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee for Additive Manufacturing (SAC/TC562). This document was drafted by. Huazhong University of Science and Technology, Hunan Huashu High-Tech Co., Ltd., China Machinery Productivity Promotion Center, Wuhan Engineering University Science, Guangdong Silver Jubilee Technology Co., Ltd., Beijing Yijia 3D Technology Co., Ltd., Shanghai Materials Research Institute, Wanhua Chemical Group Co., Ltd. The company, Tongji University, Zhuhai Tianwei Feima Printing Consumables Co., Ltd., China Academy of Mechanical Sciences Group Co., Ltd., Zhuhai City, Guangdong Province Metrology Supervision and Testing Institute, Xi'an Jiaotong University, Anhui Zhuorui 3D Technology Co., Ltd. The main drafters of this document. Yan Chunze, Yuan Bo, Xue Lian, Shi Yusheng, Wang Yan, Fu Yi, Zhang Guoqing, Qiao Wenyu, Zhang Hong, Yan Pengfei, Chen Bosheng, Qiao Huaixin, Shan Zhongde, Li Haibin, Bi Mingzhu, Li Dichen, Huang Huafeng. Nylon 12 for powder bed melting of additive manufacturing material And its composite powder

1 Scope

This document specifies the naming rules, technical requirements, test methods, inspection rules, and standards for nylon 12 and its composite powders for powder bed melting. The contents of the log, packaging, transportation, storage and quality certificate, supply contract (or purchase order). This document is applicable to nylon 12 powder for powder bed melting, glass bead-reinforced nylon 12 composite powder, and carbon fiber-reinforced nylon. Long 12 composite powder, aluminum powder reinforced nylon 12 composite powder and mineral fiber reinforced nylon 12 composite powder, other nylon 12 composite powder You can refer to this document at the end. Note. The nylon 12 composite powder mentioned in this document includes the powder that is compounded between particles, that is, in the powder state, the compound between particles and particles or between particles and fibers. It also includes the powder compounded within the particle, that is, the powder prepared after the compounding of the raw materials (a single particle is a compound powder).

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 250 Gray Sample Card for Textile Color Fastness Test to Evaluate Discoloration GB/T 1033.1 Determination of the density of plastic non-foam plastics Part 1.Immersion method, liquid pycnometer method and titration method GB/T 1040.2 Determination of tensile properties of plastics Part 2.Test conditions for molding and extrusion plastics GB/T 1634.1 Determination of Deflection Temperature of Plastics under Load Part 1.General Test Method GB/T 1843 Determination of impact strength of plastic cantilever beam GB/T 2913 Test method for whiteness of plastics GB/T 3682.1 Determination of Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR) of Plastic Thermoplastics Part 1.Standard Method GB/T 9341 Determination of bending properties of plastics GB/T 14234 Surface roughness of plastic parts GB/T 16913 Dust physical properties test method GB/T 19077 Particle Size Analysis Laser Diffraction Method GB/T 19466.3 Differential Scanning Calorimetry (DSC) for Plastics Part 3.Determination of Melting and Crystallization Temperature and Enthalpy GB/T 35351 Terminology for Additive Manufacturing GB/T 37463-2019 Specification for powder bed melting process of additive manufacturing plastic materials

3 Terms and definitions

The following terms and definitions defined in GB/T 35351 are used in this document. For ease of use, GB/T 35351 is repeatedly listed below Some terms and definitions in. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39955-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39955-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39955-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39955-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.