T/WLJC 20-2019
Portable tap grinding machine (English Version)
- Standard No.
- T/WLJC 20-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/WLJC 20-2019
- Scope
- The scope of application of the standard is determined to be: portable tap sharpening machines with a maximum grinding end mill diameter of 4mm to 42mm. The following main problems have been solved through the formulation of this standard: (1) Tap sharpening machines lack product standards above the enterprise level. Product standards of each enterprise cannot be publicly obtained. Manufacturers using sharpening machines lack advanced standards as a basis to compare the advantages of commercially available products. inferior. (2) Provide standardized accuracy inspection methods and judgment criteria for tap sharpening machines. The accuracy requirements proposed in the standard represent the domestic advanced technology level.
T/WLJC 20-2019 history
- 2019 T/WLJC 20-2019 Portable tap grinding machine
