GB/T 38331-2019 English PDF (GB/T38331-2019)

GB/T 38331-2019: General Technical Requirements for Li-ion Battery Made Machine
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GB/T 38331-2019
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.020
K 97
General Technical Requirements for Li-ion Battery
Made Machine
ISSUED ON: DECEMBER 10, 2019
IMPLEMENTED ON: JULY 1, 2020
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
Introduction ... 4 
1 Scope ... 5 
2 Normative References ... 5 
3 Terms and Definitions ... 7 
4 Working Conditions ... 9 
5 Technical Requirements ... 9 
6 Various System Performance Requirements ... 12 
7 Safety Requirements ... 14 
8 Interconnection and Interoperability Requirements ... 18 
9 Reliability Requirements ... 20 
10 Energy Consumption Requirements ... 21 
11 Environmental Protection Requirements ... 23 
Bibliography ... 24 
General Technical Requirements for Li-ion Battery
Made Machine
1 Scope
This Standard stipulates the terms, definitions, working conditions, technical
requirements, various system performance requirements, safety requirements,
equipment interconnection and interoperability requirements, equipment reliability
requirements, equipment energy consumption requirements and environmental
protection requirements for li-ion battery made machine.
This Standard is applicable to the design, manufacture, inspection, acceptance
inspection, use and maintenance of li-ion battery made machine.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 2589-2008 General Principles for Calculation of the Comprehensive Energy
Consumption
GB 2894 Safety Signs and Guideline for the Use
GB/T 3167-2015 Metal-cutting Machine Tools - Graphical Symbols for Operation
Indications
GB/T 3168-1993 Numerical Control of Machine - Symbols
GB/T 3836.18-2017 Explosive Atmospheres - Part 18: Intrinsically Safe Electrical
Systems
GB 5083 General Rules for Designing the Production Facilities in Accordance with
Safety and Health Requirements
GB/T 5226.1 Electrical Safety of Machinery - Electrical Equipment of Machines - Part
1: General Requirements
GB/T 6422-2009 Testing Guide for Energy Consumption of Equipment
GB/T 7826-2012 Analysis Techniques for System Reliability - Procedure for Failure
Mode and Effects Analysis (FMEA)
GB/T 8196-2018 Safety of Machinery - Guards - General Requirements for the Design
and Construction of Fixed and Movable Guards
GB/T 9414.2-2012 Maintainability of Equipment - Part 2: Maintainability Requirements
and Studies during the Design and Development Phase
GB/T 12723-2013 General Principles for Establishing Allowance of Energy
Consumption per Unit Throughput
GB/T 13306-2011 Plate
GB/T 14776-1993 Ergonomics - Principles for Determining Dimensions of Work Places
in Manufacturing Areas and the Dimensions
GB/T 15316-2009 General Principles for Monitoring and Testing of Energy Saving
GB 15577 Safety Regulations for Dust Explosion Prevention and Protection
GB/T 15587-2008 Guideline for Energy Management in Industry Enterprise
GB 15760 Metal-cutting Machine Tools - General Safeguarding Specification
GB/T 15945-2008 Power Quality - Frequency Deviation for Power System
GB/T 16656 (all parts) Industrial Automation Systems and Integration - Product Data
Representation and Exchange
GB/T 17166-1997 General Principle of Energy Audit on Industrial and Commercial
Enterprise
GB 17167-2006 General Principle for Equipping and Managing of the Measuring
Instrument of Energy in Organization of Energy Using
GB/T 17645 (all parts) Industrial Automation Systems and Integration - Parts Library
GB/T 18336 (all parts) Information Technology - Security Techniques - Evaluation
Criteria for IT Security
GB/T 19114 (all parts) Industrial Automation Systems and Integration - Industrial
Manufacturing Management Data
GB/T 19902 (all parts) Industrial Automation Systems and Integration - Manufacturing
Software Capability Profiling for Interoperability
GB/T 23644-2009 General Specifications for Electrical Special Equipment
GB/T 24001-2016 Environmental Management Systems - Requirements with
Guidance for Use
3.5 Jelly Roll Manufacturing System
Jelly roll manufacturing system refers to the sum constituted of a series of equipment
that complete the manufacture procedure from electrode to jelly roll.
NOTE: it includes electrode manufacturing machine, laminating machine and winding
machine, etc.
3.6 Cell Assembly System
Cell assembly system refers to the sum constituted of a series of equipment that
complete cell molding from li-ion battery jelly roll.
NOTE: it includes electrode connecting machine, punching machine, jelly roll casting
machine, cover plate welding machine, sealing machine, and composite special-
purpose equipment or production line constituted of the above processes and
equipment.
3.7 Dry and Filling System
Dry and filling system refers to the sum constituted of a series of equipment that dry
finished jelly roll and complete the filling of electrolyte.
NOTE: it includes jelly roll drying oven and filling machine, etc.
3.8 Formation and Grading System
Formation and grading system refers to the sum constituted of a series of equipment
that pre-charge, inspect and grade post-filling jelly roll, and determine the performance
of jelly roll.
NOTE: it includes activation equipment, jelly roll sorting machine and grading equipment,
etc.
3.9 Battery Module Assembly System
Battery module assembly system refers to the sum constituted of a series of equipment
that conduct module assembly, PACK assembly and performance testing of post-
formation and grading jelly roll.
NOTE 1: it includes module assembly equipment, PACK assembly equipment,
performance testing equipment and leakage testing equipment, etc.
NOTE 2: PACK assembly is a generic term for the procedure of assembling single li-ion
battery module through series-parallel connection into a whole during the li-ion
manufacturing process and the procedure of installing the outer shell.
3.10 Battery Recovery System
acceptance inspection should comply with the requirements in GB/T 23644-2009.
5.1.2 The equipment shall satisfy the principle of ergonomics; should comply with the
requirements in GB/T 14776-1993.
5.1.3 Operation signs and indicating symbols should comply with the requirements in
GB/T 3167-2015 and GB/T 3168-1993.
5.1.4 Plates shall comply with the requirements in GB/T 13306-2011.
5.1.5 Accompanying technical documents may refer to the requirements in JB/T 9875
and JB/T 9935.
5.1.6 The quality of equipment processing may refer to the requirements in JB/T 9872
and JB/T 9873. The quality of assembly may refer to the requirements in JB/T 9874.
5.1.7 The quality of appearance may refer to the requirements in GB/T 9061.
5.1.8 Inspection and acceptance inspection, idling test, load test and accuracy test
may refer to the requirements in GB/T 9061. If there are special requirements, they
shall be independently stipulated in specific equipment standards or user requirements.
5.2 Structural Requirements
5.2.1 The overall arrangement shall be reasonable; the operation shall be convenient;
the appearance shall be attractive. It shall be convenient for maintenance and recycling.
5.2.2 It shall be convenient for movement, handling and transportation.
5.2.3 Fasteners should utilize standard components; the replacement of vulnerable
parts shall be convenient.
5.2.4 Fastening parts shall not be loosened; the lubrication and cooling condition of
moveable parts shall be satisfying.
5.2.5 The movement of moveable parts shall be flexible. The assembly of various
components shall be firm and reliable.
5.3 Safety Protection Requirements
5.3.1 Protection in case of failure shall comply with the requirements in GB/T 5226.1.
5.3.2 Switch buttons shall be flexible; the signs shall be complete. The colors and
identifiers of switch buttons shall comply with the requirements in GB/T 5226.1.
5.3.3 Indicator light with at least three colors (red, yellow and green) shall be allocated.
The specific requirements shall comply with the requirements in GB/T 5226.1.
5.3.4 It shall be equipped with emergency stop processing function and shall comply
comply with the requirements in GGB 50231.
5.5.2 The production capacity specified in technical documents is the maximum
production capacity of the equipment under specified production conditions and within
a certain period of time. The equipment’s long-term production capacity shall not be
less than 80% of the maximum production capacity.
5.6 Maintenance Requirements
5.6.1 The use, care and maintenance shall comply with the stipulations in the
equipment instruction manual.
5.6.2 Vulnerable parts and wear-out parts shall stipulate specific qualification indicator
parameters; establish specifications on use and maintenance.
6 Various System Performance Requirements
6.1 Inspecting System
6.1.1 The accuracy of inspection equipment shall be an order of magnitude higher than
the physical quantity being inspected.
6.1.2 The inspecting system shall satisfy the requirement of equipment digitization.
6.1.3 The inspecting system shall adapt to the requirements of lithium battery
manufacturing environment; guarantee normal function under the manufacturing
environment.
6.2 Slurry Preparation System
6.2.1 It shall be equipped with the function of guaranteeing stable viscosity, rheological
properties, temperature and solid content of the output slurry.
6.2.2 During the slurry storage and transportation process, measures should be
adopted to guarantee stable viscosity, rheological properties, temperature and solid
content of slurry.
6.2.3 It shall be equipped with the function of accurate measurement of incoming
materials.
6.2.4 It shall be equipped with the function of eliminating impurities in slurry.
6.2.5 Self-wear shall be reduced. In addition, it shall be guaranteed that the worn-out
substances or the slurry after the elimination of impurities shall not affect the
performance of li-ion battery.
6.3 Electrode Manufacturing System
before filling; the function of monitoring moisture content in the cell.
6.6.2 It shall be equipped with the function of monitoring the humidity and dust of the
filling environment.
6.6.3 It shall be equipped with the function of inspecting the weight of electrolyte that
is filled into battery.
6.6.4 It shall be equipped with the function of monitoring the stability of the composition
of electrolyte that is filled into cell before and after the filling.
6.7 Formation and Grading System
6.7.1 The accuracy and stability of output current and voltage shall satisfy the
requirements of li-ion battery process.
6.7.2 It shall be equipped with the function of inspecting the equilibrium of ambient
temperature.
6.7.3 It shall be equipped with the function of optimizing formation parameters.
6.8 Battery Module Assembly System
6.8.1 It shall be equipped with the function of inspecting and controlling battery module
and battery pack connection result. In addition, it shall guarantee the reliability and
stability of connection.
6.8.2 It shall be equipped with the function of inspecting parameters like electrical
parameters and mechanical parameters of battery module and battery pack
manufacturing process. In addition, it shall satisfy the requirements of inspection
accuracy.
6.9 Battery Recovery System
6.9.1 The adopted disassembly, recovery and handling methods shall guarantee its
own environmental protection requirements during the manufacturing process, so as
to avoid causing new pollution to the environment.
6.9.2 Recycled materials shall be thoroughly recycled and handled, so as to prevent
the wastes from causing severer pollution.
6.9.3 Technical indicators, such as: incoming material requirements, applicable range
of incoming materials and properties of output materials, shall be explicit.
7 Safety Requirements
7.1 Standard Requirements for Safety
7.3.8 Electrical components and circuits that are installed on doors or covers shall
guarantee the continuity; comply with the requirements in GB/T 5226.1.
7.3.9 The grounding of equipment case shall comply with the requirements in GB/T
5226.1.
7.3.10 The insulation resistance between equipment’s AC power circuit and case shall
comply with the requirements in GB/T 5226.1; the insulation resistance shall not be
less than 10 M.
7.3.11 The dielectric strength between equipment’s AC power circuit and adjacent non-
charged conductor shall comply with the requirements in GB/T 5226.1. It shall be able
to endure AC 50 Hz, 1,500 V, continuous 1 min of electrical strength test; there shall
be no phenomena of punch-through.
7.3.12 Sensitive circuits in the equipment shall be separated from interference source.
EMC wiring shall comply with the requirements in GB/T 5226.1.
7.3.13 Overcurrent protection shall comply with the requirements in GB/T 5226.1.
7.3.14 When electric machine’s rated power is more than 0.5 kW, there shall be
overheating protection. Overheating protection shall comply with the requirements in
GB/T 5226.1.
7.4 Li-ion Battery Safety Requirements for Equipment
7.4.1 General principle
In the li-ion battery manufacturing system, in terms of factors that would affect li-ion
battery manufacturing process, such as: moisture, dust, burrs, gas and harmful foreign
matters and impurities, there should be inspection, display and tracking functions, and
control measures. In addition, the efficiency of these functions and measures shall be
guaranteed.
7.4.2 Burrs and dust control
7.4.2.1 During the equipment processing process, the generation of burrs or dust shall
be avoided.
7.4.2.2 During the e...