JB/T 8905.4-1999
Hollow shaft gear boxes for cranes (English Version)
- Standard No.
- JB/T 8905.4-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2018-12
- Replace By
- JB/T 12479-2018
- Latest
- JB/T 12479-2018
- Scope
- This standard specifies the type, basic parameters, dimensions and technical requirements of the crane packaged helical cylindrical gear reducer (QJ-T type). The reducer specified in this standard is mainly suitable for the operating mechanism of cranes, and can also be used for the transmission mechanism of mechanical equipment such as transportation, metallurgy, mining, chemical industry and light industry. Its working conditions should meet the following requirements: a) The gear circumferential speed is not greater than 16m/s; b) The high-speed shaft speed is not greater than 1500r/min; c) The working environment temperature is -40℃~+45℃; d) It can be used in both forward and reverse directions. To move.
JB/T 8905.4-1999 history
- 2018 JB/T 12479-2018 Packaged reducer for crane
- 1999 JB/T 8905.4-1999 Hollow shaft gear boxes for cranes
JB/T 8905.4-1999 Hollow shaft gear boxes for cranes was changed to JB/T 12479-2018 Packaged reducer for crane.
