JB/T 9927.1-1999
Short-thread milling machines Accuracy inspection (English Version)
- Standard No.
- JB/T 9927.1-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2020-01
- Replace By
- JB/T 9927.1-2019
- Latest
- JB/T 9927.1-2019
- Replace
- ZB J54011-1988
- Scope
- This standard specifies the requirements and inspection methods for the geometric accuracy and working accuracy of short thread milling machines. This standard is applicable to short thread milling machines with a maximum milling diameter of 200mm, a maximum milling length of 80mm, and a maximum workpiece length of 2500mm that use comb milling to process ordinary threads.
JB/T 9927.1-1999 history
- 2020 JB/T 9927.1-2019 Short thread milling machines part 1: accuracy inspection
- 1999 JB/T 9927.1-1999 Short-thread milling machines Accuracy inspection
