GB/T 4288-2018 English PDF (GBT4288-2018)

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GB/T 4288-2018: Household and similar electrical washing machine
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 97.060 Y 62
GB/T 4288-2018
Replacing GB/T 4288-2008
Household and similar electrical washing machine
Issued on. March 15, 2018 Implemented on. October 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 7
2 Normative references ... 7
3 Terms and definitions ... 8
4 Product classification ... 14
5 Technical requirements ... 14
6 Test methods ... 21
7 Inspection rules ... 30
8 Marking, packaging, transportation and storage ... 34
Annex A (normative) Method for measuring washing machine’s washing
container effective capacity ... 36
Annex B (informative) Product classification and model designation ... 38
Annex C (normative) Test method for washing performance ... 40
Annex D (normative) Standard stained cloth ... 63
Annex E (normative) Test method for rinsing performance ... 69
Annex F (normative) Test method for abrasion performance ... 74
Annex G (normative) Methods for measuring washing machine’s off/standby
power ... 76
Annex H (normative) Calculation methods for washing machine’s annual
energy consumption ... 80
Annex I (normative) Test method for wool washing performance ... 82
Annex J (normative) Test method for vibration performance of washing
machines ... 89
Annex K (normative) Grading of main performance items ... 94
Bibliography ... 97
Foreword
This Standard is drafted in accordance with the rules given in the GB/T 1.12009.
This Standard replaces GB/T 4288-2008 “Household and similar electrical washing machine”.
The major differences between this Standard and GB/T 4288-2008 are as follows.
In Clause 2 “Normative references”, SUPPLEMENT the relevant references;
In Clause 3 “Terms and definitions”, “electric washing machine” is classified and described, and incorporated into the relevant contents of “impeller washing machine”, “drum washing machine”, “agitator washing machine”, “double-drive washing machine”, “washing machine”, “semi-automatic washing machine” and “automatic washing machine”, ADD the definitions of “mini washing machine” and “multi-drum/barrel washing machine”; for test items such as “method for measuring washing container effective capacity of washing machines” “test method for rinse performance” “test method for abrasion performance” “method for measuring off/standby power of washing machines” and “method for calculating annual energy consumption of washing machines”, ADD the contents of “washing container capacity” “test load mass” “test detergent mass” “rate of rinse” “rate of abrasion” “off mode” “standby mode” and “annual energy consumption”; ADD the definition of “standard washing textile”, IMPROVE the definitions of “rated capacity” and “rated consumption of water”;
- INCLUDE the specific contents of the original Clause 4 “Product classification” IN “Annex B (normative) Product classification and model designation”;
In Clause 5 “Technical requirements”, the original “5.1 Environmental conditions for use” is modified to “5.1 General requirements” and reformulated, ADD the contents of “5.12 Off/Standby power”; due to changes in test methods, MODIFY the contents of “5.6 Rinsing performance”, “5.7 Abrasion performance” and “5.15 Vibration performance”, and IMPROVE the contents of “5.18 Allowable deviation of ostensive values”; ADD the relevant requirements for “rate of rinse”, “rate of abrasion” and “spinning performance”. The original “5.11 General structure” and “5.12 Materials” are changed to “5.19 Overall structure and routine inspection” and “5.20 Materials” respectively and reformulated;
In Clause 6 “Test methods”, the use conditions of different “test water
Household and similar electrical washing machine
1 Scope
This Standard specifies the terms and definitions, product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of household and similar electrical washing machines (hereinafter referred to as “washing machines”).
This Standard applies to the washing machines (including extractors) of which the single-phase rated voltage is not more than 250 V, used by nonprofessionals in the households, stores, schools, etc.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the versions with the dates indicated are applicable to this document. For undated references, only the latest versions (including any amendments) are applicable to this document.
GB/T 411 Printed and dyed cotton fabric
GB/T 1019 General requirements for the package of household and similar electrical appliances
GB/T 2423.17 Environmental testing for electric and electronic products -Part 2. Test method - Test Ka. Salt mist
GB/T 2828.1 Sampling procedures for inspection by attributes -Part 1. Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 4214.4 Household and similar electrical appliances -Test code for determination of airborne acoustical noise -Particular requirements for washing machines and spin extractors
GB 4706.1 Household and similar electrical appliances -Safety -Part 1. General requirements
GB 4706.24 Household and similar electrical appliances -Safety -Particular
requirements for washing machines
GB 4706.26 Household and similar electrical appliances -Safety -Particular
requirements for spin extractors
GB/T 5296.2 Instructions for use of products of consumer interest - Part 2.
Household and similar electrical appliances
GB/T 6682-2008 Water for analytical laboratory use - Specification and test
methods
GB/T 22939.5 Package of household and similar electrical appliances
Particular requirements for electric washing machine and dryer
GB/T 23119-2017 Household and similar electrical appliances - Performance
-Hard water for testing
QB/T 4830-2015 Household mini electrical washing machine
3 Terms and definitions
For the purpose of this document, the following terms and definitions shall apply.
electric washing machine
Power-driven appliance relying on mechanical action for clothes washing. NOTE 1. According to the washing methods, electric washing machines are classified into.
-impeller washing machine. washing machine that washes the laundry by fully or partially immersing the laundry in washing water, and by means of continuous rotation or timed clockwise and counterclockwise rotation of the impeller.
- drum washing machine. washing machine that washes the laundry by placing the laundry is in the drum, partially immersing in water, and by means of continuous rotation of the drum or timed clockwise and counterclockwise rotation.
-agitator washing machine. washing machine that washes the laundry by fully or partially immersing the laundry in washing water, and by means of reciprocating motion of the agitating blade.
- double-drive washing machine. washing machine that washes the laundry by fully or partially immersing the laundry in the washing water, and making the impeller or the agitating blade and the inner container in the same system operate at a set constant speed
3.3.1 washing container effective capacity
Washing container capacity measured according to the method in Annex A.
3.3.2 washing container rated capacity
Washing container capacity declared by the manufacturer.
3.4 standard washing text...