GB/T 20914.4-2019 Active National standards

GB/T 20914.4-2019 Stamping dies—Gas springs—Part 4:Gas spring with increased spring force and same built height

GB/T 20914.4-2019 Stamping dies—Gas springs—Part 4:Gas spring with increased spring force and same built height

Publish Date: 2019-10-18 Implement Date: 2020-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 20914.4-2019

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: 10 pages

Scope

This part of GB/T 20914 specifies the dimensions, nominal initial force, and models of equal-height high-strength nitrogen gas springs. It also stipulates the marking, delivery technical conditions, and labeling of equal-height high-strength nitrogen gas springs.
This part applies to models from 10,000 to 95,000, which use nitrogen gas pressure and have a nominal initial force of 10,000 × (1 ± 5%) N to 95,000 × (1 ± 5%) N for punch molds.
Note: Specifications for nitrogen gas spring installation accessories are referred to in GB/T 20914.2.

Development Information

Word Count: 18 Thousand words Pages: 10 pages

Same series standard

GB/T 20914.3-2019 Stamping dies—Gas springs—Part 3:Gas spring with increased spring force and compact built height

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 11901-4:2014

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