JB/T 3056-1991
Automatic thread rolling machine Basic parameters (English Version)
- Standard No.
- JB/T 3056-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Machinery
- Latest
- JB/T 3056-1991
- Replace
- JB 3056-1982
- Scope
- This standard specifies the basic parameters of automatic thread rolling machines for processing thread diameters of 1.6 to 24 mm. This standard applies to newly designed automatic thread rolling machines that use flat thread rolling plates to roll the threads of screws and other parts. This standard should also be implemented when changes to basic parameters of old products are involved. The tensile strength of the parts material is ób≤600MPa.
JB/T 3056-1991 history
- 1991 JB/T 3056-1991 Automatic thread rolling machine Basic parameters
- 0000 JB 3056-1982
