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QB/T 1888-2023 English PDF (QBT1888-1993)

QB/T 1888-2023_English: PDF (QB/T1888-2023)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
QB/T 1888-2023English399 Add to Cart 4 days [Need to translate] (Bicycle spokes and nipples) Valid QB/T 1888-2023
QB/T 1888-1993English150 Add to Cart 0--9 seconds. Auto-delivery Spokes and nipples for bicycles QB/T 1888-1993


BASIC DATA
Standard ID QB/T 1888-2023 (QB/T1888-2023)
Description (Translated English) (Bicycle spokes and nipples)
Sector / Industry Light Industry Industry Standard (Recommended)
Word Count Estimation 18,188
Date of Issue 2023-12-20
Date of Implementation 2024-07-01
Summary This standard specifies the product classification, specifications, dimensions and model compilation methods, requirements, inspection rules, marking, packaging, transportation and storage of bicycle spokes and spokes, and describes the corresponding test methods. This standard applies to the design, production, inspection and sales of bicycle spokes and spokes defined in QB/T 1714.

BASIC DATA
Standard ID QB/T 1888-1993 (QB/T1888-1993)
Description (Translated English) Spokes and nipples for bicycles
Sector / Industry Light Industry Industry Standard (Recommended)
Classification of Chinese Standard Y14
Word Count Estimation 9,999
Date of Issue 1994/1/6
Date of Implementation 1994/8/1
Older Standard (superseded by this standard) GB 3578-1983
Drafting Organization Shanghai Bicycle Spoke Factory
Administrative Organization National Cycling Centre for Standardization
Regulation (derived from) Industry-Science (2010) No.77
Summary This standard specifies the bicycle spokes and of the mother (hereinafter referred to as "the mother spoke and bar") product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to "the preparation methods and models of bicycles named" provides QB 1714 bicycle spokes and different materials of the mother.


QB/T 1888-1993 QB INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA QB/T 1888-93 Spokes and nipples for bicycles ISSUED ON: JANUARY 06, 1994 IMPLEMENTED ON: AUGUST 01, 1994 Issued by: Ministry of Light Industry of PRC Table of Contents 1 Subject content and scope of application ... 3  2 Normative references ... 3  3 Product classification ... 3  4 Technical requirements ... 6  5 Test method ... 8  6 Inspection rules ... 10  7 Marking, packaging, transportation, storage ... 12  Appendix A Special tensile rod (Supplementary) ... 14  Additional information ... 15  Spokes and nipples for bicycles 1 Subject content and scope of application This standard specifies the product classification, technical requirements, test methods, inspection rules, markings, packaging, transportation, storage of spokes and nipples for bicycles (hereinafter referred to as "spokes and nipples"). This standard is applicable to the spokes and nipples of different materials for bicycles, which are specified in QB 1714 "Bike - Naming preparation methods and models". 2 Normative references GB 238 Metallic materials-wire-reverse bend test GB 2828 Sampling procedures and tables for lot-by-lot inspection by attributes (Apply to inspection of successive lots or batches) GB 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of stability for productive process) GB 5929 Thickness testing method of the metal deposits and conversion coatings for the light industrial products - Metallographic microscopic method GB 12743 Plant quarantine rules for producing areas of soybean seeds QB/T 1217 Technical specification for bicycle electroplating QB 1714 Bike - Naming preparation methods and models 3 Product classification 3.1 See Table 1 and Table 2 for types and codes. measurement error due to the out-of-roundness of spoke). 5.9.1.3 Use hydrochloric acid to remove the zinc layer on the nipple (at the diameter a) (it is OK when there is no violent bubbling). 5.9.1.4 After wiping clean the corroded surface, use a micrometer to measure the diameter (b) at the same location. Calculate the thickness of the zinc layer of the spoke: Where: δ - The thickness of the zinc layer, µm; a - The diameter of spoke after plating, mm; b - The diameter of spoke after removing plating, mm. 5.9.2 Where there is a dispute, it can be arbitrated in accordance with the metallurgical microscope method in GB 5929. 6 Inspection rules 6.1 Products must pass the inspection of the quality inspection department of the manufacturer AND be accompanied by a certificate, before they can leave the factory. 6.2 The unit product, at the time of sampling inspection, is a pair (that is, the spoke and the nipple form a pair). 6.3 Exit-factory inspection Adopt GB 2828. 6.3.1 Adopt general inspection level I and sub-sampling plan. 6.3.2 Inspection items, unqualified classifications, acceptance quality levels are as shown in Table 11. 7 Marking, packaging, transportation, storage 7.1 Marking The outer packaging shall have the following signs: a. Manufacturer name; b. Product trademark; c. Product name; d. Product marking; e. Quantity; f. Gross weight and net weight; g. Date of manufacture; h. Box size (length x width x height) or volume: i. Standard code, serial number, name (it may not be marked, if it has been marked in the product manual); j. Avoid getting wet; k. Stacking height. 7.2 Packaging 7.2.1 The structure of the outer packaging box shall be firm and dry. The box shall be lined with moisture-proof paper OR take other moisture-proof measures. 7.2.2 After the products are packed in the specified inner packaging, they shall be neatly arranged in the box AND must not be shaken. 7.2.3 The product packaging shall be accompanied by a certificate of conformity. 7.3 Transportation The packaging box, which contains the product, shall be loaded, unloaded, transported, in accordance with the pictorial signs on packaging, storage, transportation. It shall be handled with care, without throwing. During transportation, it is not allowed to be exposed to the sun or rain; it is strictly forbidden to mix it with flammable products and active chemicals. ......

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