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Chinese Standard: GB/T 20914.4-2019

Stamping dies—Gas springs—Part 4:Gas spring with increased spring force and same built height

MOD  ISO 11901-4:2014

全国模具标准化技术委员会(SAC/TC 33)

GB/T 20914的本部分规定了等高强力氮气弹簧的尺寸、公称初始力和型号。本部分还规定了等高强力氮气弹簧的标识、交货技术条件和标记。
本部分适用于型号10 000~95 000,使用氮气加压,公称初始力为10 000×(1±5%)N至95 000×(1±5%)N的冲模用等高强力氮气弹簧。
 注: 氮气弹簧安装附件规格参见GB/T 20914.2。

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