T/NKFA 018-2024 Software bed product quality grading
T/NKFA 018-2024 Software bed product quality grading
Basic Information
Scope
Scope: This document specifies the basic principles, requirements, judgment rules, and grading marks for the quality classification of soft bed products, describes the corresponding test methods, and defines the corresponding terms. This document is applicable to the quality classification of soft bed products. Main technical content: Foreword III.1 Scope 12. Normative references 13. Terms and definitions 14. Product classification 15. Requirements 25.1 Basic requirements 25.2 Indicator requirements 25.2.1 Dimensional deviation and shape position tolerance 25.2.2 Material requirements 25.2.3 Appearance requirements 25.2.4 Physicochemical properties 35.2.5 Mechanical properties 45.2.6 Safety performance 45.3 Intelligent features 55.4 Ergonomics 6. Test methods 6.1 Dimensional deviation and shape position tolerance 6.2 Material requirements 6.3 Appearance requirements 6.4 Physicochemical properties 6.5 Mechanical properties 6.6 Safety performance 6.7 Intelligent features 6.8 Ergonomics 7. Judgment rules 8. Grading marks 9. Figure 1: Schematic diagram of the quality grading marks for soft bed products 10. Table 1: Grading indicators for dimensional deviation and shape position tolerance of soft bed products 11. Table 2: Grading indicators for material requirements of soft bed products 12. Table 3: Grading indicators for appearance requirements of soft bed products 13. Table 4: Grading indicators for physicochemical properties of soft bed products 14. Table 4 (continued): Grading indicators for physicochemical properties of soft bed products 15. Table 5: Grading indicators for mechanical properties of soft bed products 16. Table 6: Grading indicators for safety performance of soft bed products 17. Table 7: Grading indicators for intelligent features of soft bed products 18. Table 8: Grading indicators for ergonomics of soft bed products 19. Table 9: Comprehensive quality grading of soft bed