JB/T 3887-1999
Involutes straight-tooth cylindrical measuring gear (English Version)
- Standard No.
- JB/T 3887-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2010-07
- Replace By
- JB/T 3887-2010
- Latest
- JB/T 3887-2010
- Scope
- This standard specifies the basic types and dimensions, technical requirements and basic requirements for marking and packaging of involute spur cylindrical measuring gears. This standard is applicable to single-sided or double-sided meshing comprehensive inspection instruments. The inspection module is 1 to 10 mm. The tooth profile conforms to GB/T 1356-1988 "Basic tooth profile of involute cylindrical gears" (the reference tooth profile angle is 25° , except for gears with a tooth addendum coefficient of 0.8 and gears with tooth top trimming), the accuracy complies with the involute spur cylindrical measuring gears for grade 4 to 9 gears in GB/T 10095-1988 "Accuracy of Involute Cylindrical Gears".
JB/T 3887-1999 history
- 2010 JB/T 3887-2010 Involute spur cylindrical measuring gears
- 1999 JB/T 3887-1999 Involutes straight-tooth cylindrical measuring gear
