uni qb,Understanding the Uni QB Standard
Understanding the Uni QB Standard
The Uni QB standard, officially known as “QB/T 2082-1995 – Woodworking Hand Planes and Irons,” is a significant document in the field of woodworking. This standard, which is non-equivalent to the international standard ISO 2728 (Woodworking Tools – Planes), provides a comprehensive guide for the terminology, product classification, technical requirements, testing methods, inspection rules, packaging, marking, transportation, and storage of woodworking hand planes and their covers.
Scope and Applicability
As per the standard, it is applicable to woodworking hand planes and their covers. It outlines the necessary specifications and procedures to ensure the quality and safety of these tools. The standard is designed to be used by manufacturers, importers, and users of woodworking hand planes and covers to ensure compliance with the required standards.
Terminology
The standard includes a list of terms and definitions that are essential for understanding the specifications and requirements. These terms are detailed in the Appendix A (Supplementary Material) of the standard. This ensures that everyone involved in the manufacturing, testing, and use of these tools has a common understanding of the terminology.
Product Classification
The Uni QB standard specifies the types and basic dimensions of woodworking hand planes and their covers. The standard provides detailed information about the different types of planes, including those with and without slopes. The dimensions of these planes are outlined in Table 1 and Table 2, respectively. The tables also include the basic dimensions and their permissible tolerances.
| Specification | B | b | D | L | L1 | L2 | L3 |
|---|---|---|---|---|---|---|---|
| Basic Dimensions | 25 卤 0.4 | 29 卤 0.2 | 63 卤 0.3 | 30 卤 0.2 | 17 卤 0.5 | 56 卤 0.5 | 90 卤 0.5 |
| Permissible Tolerances | 25 卤 0.4 | 29 卤 0.2 | 63 卤 0.3 | 30 卤 0.2 | 17 卤 0.5 | 56 卤 0.5 | 90 卤 0.5 |
Technical Requirements
The standard specifies the technical requirements for woodworking hand planes and covers. This includes the material requirements, dimensions, surface finish, and other quality aspects. The standard also outlines the testing methods to be used to ensure that these requirements are met.
Testing Methods
The Uni QB standard references several national and international standards for testing methods. These include the GB/T 230 metal Rockwell hardness test method, GB/T 2828 sequential inspection sampling procedures and sampling tables (for continuous batches), GB/T 5305 hand tool packaging, marking, transportation, and storage, and GB/T 6060.2 surface roughness comparison blocks for grinding, turning, boring, milling, and planing operations.
Inspection Rules
The standard provides guidelines for the inspection of woodworking hand planes and covers. This includes the sampling plan, the criteria for acceptance or rejection, and the procedures for handling non-conforming products.
Packaging, Marking, Transportation, and Storage
The standard also covers the packaging, marking, transportation, and storage requirements for woodworking hand planes and covers. This ensures that the products are protected during transportation and storage, and that they are easily identifiable by the end-users.
Conclusion
In conclusion, the Uni QB standard is a comprehensive document that provides essential guidelines for the manufacturing, testing, and use of woodworking hand planes and covers. By adhering to this standard, manufacturers, importers, and users can ensure the quality and safety of these tools, ultimately leading to better performance and satisfaction in woodworking projects.
