QC/T 604-2022Clips - Type B (English PDF)

Foreword

This document was in accordance with the requirements of GB/T 1.1-2020 "Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents".

This document replaces QC/T 604-1999 "B-type clips". Compared with QC/T 604-1999, it mainly adds:

- Provisions on the insertion force and withdrawal force of the clip (see Table 2);

- Provisions on general tolerances (see table 2);

- Aging requirements (see Table 2);

- Requirements for prohibited substance (see Table 2);

- Requirements for volatile organic compound (VOC) (see Table 2);

- Requirements for combustion characteristics (see Table 2);

- Provisions on acceptance quality limit (AQL) (see Table 2).

1 Scope

This document specifies the type, size, technical conditions of B-type clips for automobiles.

This document is applicable to B-type clips, which have a diameter of 6 mm in the mounting hole of the body sheet, AND a connection thickness b = 2 mm ~ 10 mm.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, for dated references, only the version corresponding to the date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document.

GB/T 90.1-2002 Fasteners - Acceptance inspection

GB/T 90.2-2002 Fasteners - Marking and packaging

GB/T 3511 Rubber, vulcanized or thermoplastic - Resistance to weathering

GB/T 3512 Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests

GB/T 3672.1-2002 Rubber - Tolerances of products - Part 1: Dimensional tolerances

GB 8410 Flammability of automotive interior materials

GB/T 8815 Plasticized polyvinyl chloride (PVC) compounds for wire and cable

GB/T 30512 Requirements for prohibited substances on automobiles

HG/T 2196 Standard classification system for rubber products in automotive application

HG/T 3090 General rules of visual quality for molded and extruded rubber products

QC/T 15 General test method for automobile plastic products

QC/T 326 Coding rules for automotive standardized parts

QC/T 29017 Automotive molded plastic parts without individual tolerance limit the […]