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GB 20905-2025: Foundry machinery - Safety requirements
Status: Valid GB 20905: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 20905-2025 | English | 279 |
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Foundry machinery - Safety requirements
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GB 20905-2025
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| GB 20905-2007 | English | 209 |
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Safety requirements for foundry machinery
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GB 20905-2007
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Standard similar to GB 20905-2025 GB/T 51033 GB/T 50082 Basic data | Standard ID | GB 20905-2025 (GB20905-2025) | | Description (Translated English) | Foundry machinery - Safety requirements | | Sector / Industry | National Standard | | Classification of Chinese Standard | J61 | | Classification of International Standard | 25.120.30 | | Word Count Estimation | 14,132 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-08-01 | | Older Standard (superseded by this standard) | GB 20905-2007 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB 20905-2025: Foundry machinery - Safety requirements---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB20905-2025
ICS 25.120.30
CCSJ61
National Standard of the People's Republic of China
Replaces GB 20905-2007
Safety requirements for casting machinery
Released on August 1, 2025
Implementation on August 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General Requirements 3
5 General Requirements 3
5.1 Machine Structure 3
5.2 Moving Parts 4
5.3 Emergency stop device 4
5.4 Clamping and clamping device 4
5.5 Electrical Equipment 4
5.6 Control System 4
5.7 Hydraulic and pneumatic systems 4
5.8 Foundry Robotic Systems 4
5.9 Fixed facilities for access to machinery 5
5.10 Fire and explosion prevention 5
5.11 Usage Information 5
6 Specific requirements for special equipment 5
6.1 Sand preparation and sand regeneration equipment 5
6.2 Molding and core making equipment 5
6.3 Sand removal equipment
6.4 Investment Casting Equipment 6
6.5 Lost Foam Casting Equipment 6
6.6 Die casting machines, die casting units and squeeze casting machines
6.7 Low-pressure, differential-pressure casting machines and metal-mold gravity casting machines 7
6.8 Centrifugal Casting Machine 7
6.9 Cupola and smelting supporting equipment 7
6.10 Ladles, pouring machines and related equipment 8
6.11 Shot blasting equipment 8
6.12 Cutting and grinding equipment for cleaning castings 9
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB 20905-2007 "Safety requirements for casting machinery". Compared with GB 20905-2007, except for the structural adjustment and editing
In addition to the functional changes, the main technical changes are as follows.
a) The “scope” has been redefined (see Chapter 1, Chapter 1 of the.2007 edition).
b) Added a chapter on “Terms and Definitions” (see Chapter 3).
c) Added a chapter on “General Requirements” (see Chapter 4).
d) Added a chapter on “General Requirements”, which incorporates the technical content of the replaced standard on general safety requirements for casting machinery, and
Some technical clauses have been added, modified and deleted (see Chapter 5, Chapters 3 to 17 of the.2007 edition).
1) Added requirements for casting robot systems (see 5.8);
2) Changed the requirements for instruction manuals (see 5.11.2, Chapter 17 of the.2007 edition);
3) Deleted the requirements for safety protection devices (see Chapter 4 of the.2007 edition);
4) Deleted the requirements for operating mechanisms (see Chapter 5 of the.2007 edition);
5) Deleted the requirements for pressure vessels (see 9.4 of the.2007 edition);
6) Deleted the requirements for lubrication systems (see 10.1, 10.3, and 10.5 of the.2007 edition);
7) Deleted the requirements for structural maintenance (see Chapter 12 of the.2007 edition);
8) Deleted the requirements for environment, labor hygiene and local lighting (see Chapter 13 of the.2007 edition);
9) Deleted the requirements for machines with corrosive substances (see 14.1 and 14.3 of the.2007 edition);
10) The requirements for machine structural aesthetics and sampling safety have been deleted (see 15.1 and 15.4 of the.2007 edition).
e) A new chapter “Specific requirements for special equipment” has been added, which includes specific safety requirements for various types of foundry machinery (see Chapter 6).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the Ministry of Industry and Information Technology of the People's Republic of China.
The previous versions of this document and the documents it replaces are as follows.
---First issued in.2007 as GB 20905-2007;
---This is the first revision.
introduction
Casting machinery is an important basic process equipment in the machinery industry and occupies an important position in the equipment manufacturing industry.
This document specifies the safety requirements for foundry machinery. Since its initial publication, its mandatory provisions have played a significant role in ensuring that foundry production personnel
Personal safety and health play an important role. However, with the rapid development and technological progress of my country's foundry industry for many years, the safety of casting machinery has been
Higher requirements have been put forward. Some of the original technical terms of this document have lagged behind and can no longer meet the needs of the casting machinery market.
Improve the overall safety level of China's foundry machinery, promote safe production in foundry, protect personal safety, and promote the optimization, upgrading and technological progress of the foundry machinery industry.
It is necessary to revise this document.
According to the classification of GB/T 15706, this document belongs to Class C standard.
This document is particularly relevant to the following stakeholders with regard to the safety of the foundry machinery covered by this document.
---Machine manufacturers;
---Health and Safety Organization.
Other stakeholders affected by the level of machinery safety are.
---Machine users;
---Machine owner;
---Service providers.
Safety requirements for casting machinery
1 Scope
This document specifies the safety requirements for casting machinery, including general requirements, general requirements and equipment-specific requirements.
This document applies to the manufacture of casting machinery (hereinafter referred to as "machine").
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the latest version (including all amendments) applies to this document.
This document.
GB 2894 Safety colors and safety signs
GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components
GB 3836.15 Explosive atmospheres Part 15.Specifications for the design, selection and installation of electrical equipment
GB/T 4208-2017 Degrees of protection provided by enclosures (IP code)
GB 4674-2009 Safety regulations for grinding machinery
GB/T 5226.1 Electrical safety of machinery - Electrical equipment of machinery - Part 1.General technical requirements
GB/T 7932 General rules and safety requirements for pneumatic systems and their components
GB 11291.1 Safety requirements for robots for use in industrial environments Part 1.Robots
GB 11291.2 Robots and robotic equipment Safety requirements for industrial robots Part 2.Robot systems and integration
GB/T 12265 Mechanical safety Minimum distance to prevent crushing of human body parts
GB/T 15706-2012 General principles for safety design of machinery - Risk assessment and risk reduction
GB/T 17888.1 Safety of machinery - Access to fixed devices for machinery - Part 1.General requirements for selection of and access to fixed devices
GB/T 17888.2 Safety of machinery - Fixed means of access to machinery - Part 2.Working platforms and passages
GB/T 17888.3 Safety of machinery - Fixed means of access to machinery - Part 3.Stairs, steps and guardrails
GB/T 17888.4 Machinery Safety - Fixed means of access to machinery - Part 4.Fixed ladders
GB/T 18209.1 Electrical safety of machinery - Instructions, signs and operations - Part 1.Requirements for visual, auditory and tactile signals
GB/T 19670 Safety of machinery against unexpected start-up
GB/T 25370 Terminology for Casting Machinery
GB/T 37400.15-2019 General technical requirements for heavy machinery Part 15.Non-destructive testing of steel forgings
GB/T 39407-2020 General technical requirements for grinding and polishing robot systems
GB/T 42598 General rules for drafting safety instructions for machinery
NB/T 47013.3-2023 Nondestructive testing of pressure equipment Part 3.Ultrasonic testing
3 Terms and Definitions
The terms and definitions defined in GB/T 15706-2012 and GB/T 25370 and the following apply to this document.
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