GB 5093-1985
Replaced
GB/T 20914.3-2019
Active
National standards
GB/T 20914.3-2019 Stamping dies—Gas springs—Part 3:Gas spring with increased spring force and compact built height
GB/T 20914.3-2019 Stamping dies—Gas springs—Part 3:Gas spring with increased spring force and compact built height
Basic Information
Standard Code:
GB/T 20914.3-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Mold
ICS Name:
Forging equipment, stamping machines, and shearing machines
Publish Date:
2019-10-18
Implement Date:
2020-05-01
Pages:
15 pages
Scope
This part of GB/T 20914 specifies the dimensions, nominal initial force, model, marking, delivery technical conditions, and labeling of compact and powerful nitrogen gas springs.
This part is applicable to models 1,700~200,000, which use nitrogen gas pressure and have a nominal initial force of 1,700×(1±5%) N~200,000×(1±5%) N for punch molds.
Note: Specifications of nitrogen gas spring installation accessories are referred to GB/T 20914.2.
Development Information
Same series standard
Referenced Standards
GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications
GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 1:Parallel internal and taper external threads
GB/T 7306.2-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 2:Taper internal and external threads
Adopt standards
ISO 11901-3:2014
Related Standards
GB 6077-1985
Replaced
GB 6077-1985 Safety regulations for shearing machinery
GB/T 11880-1989
Replaced
GB/T 11880-1989 Large die-blocks used for die-forging hammer and mechanical forging press—Specification
GB/T 14404-1993
Replaced
GB/T 14404-1993 Plate shear—Testing of the accuracy
GB/T 14347-1993
Replaced
GB/T 14347-1993 Open front mechanical power presses—Types and basic parameters
GB/T 7925-2005
Replaced