JB/T 9177-1999
Structural main factors for steel die forgings (English Version)
- Standard No.
- JB/T 9177-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2016-03
- Replace By
- JB/T 9177-2015
- Latest
- JB/T 9177-2015
- Replace
- JB/Z 295-1987
- Scope
- This standard specifies the "shrunk section, multi-step section, gear spokes, crankshaft groove fillet radius", "minimum bottom thickness", "minimum wall thickness, rib width and rib end fillet radius" of steel hot die forgings. The design parameters of "minimum punching diameter, blind hole and skin thickness" and "minimum web thickness" and the dimensioning and measurement methods of die forgings. This standard applies to steel hot forgings produced on die forging hammers, hot die forging presses, screw presses and flat forging machines.
JB/T 9177-1999 history
- 2015 JB/T 9177-2015 Structural elements of steel die forgings
- 1999 JB/T 9177-1999 Structural main factors for steel die forgings
- 0000 JB/Z 295-1987
