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>DIN/ EN/ ISO 区别-垫圈

  • 分类:标准对比
  • 发布时间:2020-12-01 17:32:45
  • 访问量:0
概要:
概要:
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DIN/ EN/ ISO DIFFERENCES IN WASHERS
DIN/ EN/ ISO 区别

 Gain an insight into the difference between DIN, EN and ISO standards

 深入了解DIN、EN和ISO标准之间的差异

This part is intended to assist you in the changeover from withdrawn DIN standards to current EN and/or ISO standards. Information is given on which changes of the respective product standard are relevant for application.

本部分旨在帮助您从废止的DIN标准转换为现行的EN和/或ISO标准,提供了与应用相关的产品标准变更信息。

Washers 垫圈

Some DIN standards often used, such as DIN 125, have been withdrawn and replaced by the ISO standards 7089 and 7090. Hardness class 140 HV, which has often been used, is no longer included in the successor standards. In any case, it is absolutely necessary to use at least hardness class 200 HV for high-strength screws and bolts of property class 8.8 and higher. This is often ignored in practice.

一些常用的DIN标准,例如DIN125 已经取消并由ISO7089和7090所替代。硬度140HV的常用垫圈已经不包含在后续的ISO标准里,在任何情况下都绝对有必要使用200HV的垫圈 来配合强度等级8.8或更高的螺栓或螺钉, 这一点却常常在实际应用中被忽略。

Spring washers, conical spring washers and serrated lock washers  弹垫,碟形弹垫,和齿面锁紧垫圈

DIN 6796 is the only DIN standard for locking washers which is still valid. All other DIN standards have already been withdrawn a long time ago. Tests have shown that these products are ineffective in combination with screws or bolts of property class 8.8 or higher.

迄今只有DIN6796的标准仍在使用,所有其它垫圈DIN标准均已在很久之前废止了。实验证明这些垫圈在与8.8或更高等级的螺钉或螺栓组合应用中是完全失效的。

In combination with screws or bolts up to property class 10.9, DIN standard 6796 can be used to reduce settling.

在于强度10.9或以上的螺钉或螺栓的组合应用中,DIN6796可以用来减少沉降。

Rings and other washers  挡圈及其他垫圈   

 

关键词: 螺母 din iso 标准 nuts the to been have

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