JB/T 9926.1-1999
Internal thread grinder Accuracy inspection (English Version)
- Standard No.
- JB/T 9926.1-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2020-01
- Replace By
- JB/T 9926.1-2019
- Latest
- JB/T 9926.1-2019
- Replace
- ZB J55052-1990
- Scope
- This standard specifies the requirements and inspection methods for the geometric accuracy and working accuracy of internal thread grinders. This standard applies to internal thread grinders with a maximum grinding diameter of 200 to 320 mm.
JB/T 9926.1-1999 history
- 2020 JB/T 9926.1-2019 Internal thread grinding machines - Part 1: Inspection of accuracy
- 1999 JB/T 9926.1-1999 Internal thread grinder Accuracy inspection
