JB/T 3055-1991
Automatic nut cold working machine Basic parameters (English Version)

Standard No.

JB/T 3055-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

Professional Standard - Machinery

Latest

JB/T 3055-1991

Replace

JB 3055-1982

Scope

This standard specifies the basic parameters of automatic nut cold heading machines. This standard applies to newly designed automatic cold heading machines for manufacturing nuts made of metal materials. 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 3055-1991 history

• 1991 JB/T 3055-1991 Automatic nut cold working machine Basic parameters
• 0000 JB 3055-1982