内六角凹端紧定螺钉和内六角平端紧定螺钉的区别?

内六角凹端紧定螺钉和内六角平端紧定螺钉的区别?构造?
2025-03-15 07:31:24
推荐回答(5个)
回答1:

一、指代不同

1、内六角凹端紧定螺钉:指内六角的,头部尾端是凹端的。

2、内六角平端紧定螺钉:指内六角的,头部尾端是平端的。

二、国际标准号不同

1、内六角凹端紧定螺钉:AdoptedInternational Standard No: ISO 4029:2003。

2、内六角平端紧定螺钉: AdoptedInternational Standard No: ISO 4026:2003。


三、计划编号不同

1、内六角凹端紧定螺钉:Plan No: 20063674-T-604。

2、内六角平端紧定螺钉:Plan No: 20063626-T-604。


参考资料来源:百度百科-内六角平端紧定螺钉

参考资料来源:百度百科-内六角凹端紧定螺钉

回答2:

1.紧定螺钉锥端(有尖):一般用于安装后不常拆卸处,其中
尖端——适用于硬度较小的零件
凹端——适用于硬度较大的零件;
2. 紧定螺钉锥端(无尖):需要预先在零件的顶紧面上打上坑眼,使锥面压在坑眼边上,增强传递载荷的能力;
3. 紧定螺钉平端圆尖端:多用于常调节位置的连接处,传递载荷较小,其中
平端——接触面积大,可用于顶硬度大的零件,顶紧面应是平面
圆尖端——需要零件表面有U型沟,V型槽或圆窝等;
4. 紧定螺钉圆柱端:用于经常调节处,或固定装在管轴(薄壁件)上的零件,圆柱端头进入在管轴上大的孔眼中,端头靠剪切作用可传递较大载荷,使用这种螺钉应有防止松脱的装置。

回答3:

没有明确的答案,我在国外的图中见到:用于固定轴的多用凹端紧钉螺钉GB/T80-2007。
我是这样认为的:

平端的紧钉螺钉(GB/T77-2000)适用于固定接触面为平面的,
凹端的紧钉螺钉(GB/T80-2007)适用于固定接触面为圆柱面的,
理由:固定时应避免接触面为点接触。
这只是个人理解
我在英文中查到的:
One might often need to use a flat point when the screw must press perfectly flat against a surface. The most common type is the cup point. This type works well because the surface is rounded so that a small surface area is in contact, but it does not have extremely high stress at one point like that of a cone point. Durability studies show that the cup point offers superior resistance to wear while maintaining a strong grip.

回答4:

一、内六角有定位作用,用于保持平面平整。外六角用于一般紧固件的连接。

回答5:

凹端有帽,平端没帽。

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