求助:60950中关于 small parts 的定义
EN60950-1:20064.7.3.1章节NOTE 3 In considering how to limit propagation of fire, and what are "small parts", account should be taken of the cumulative effect of small parts when they are adjacent to each other, and also of
the possible effect of propagating fire from one part to another.
里面有提到了 small parts 这个概念, 但又没给出尺寸的定义,什么样的东东才算是small parts?是不是在决议里面有? 知道的同行请指点一下,多谢!! 诺大的一个论坛,精英云集,怎么就没人能帮我解答这个问题呢,真纠结 small electrical components, such as:
• integrated circuits, transistors, optocoupler packages;
• capacitors with a volume not exceeding 1 750 mm3,
60065里面的举列(small parts) 引用第2楼狼行成双于2011-05-06 09:39发表的:
small electrical components, such as:
• integrated circuits, transistors, optocoupler packages;
• capacitors with a volume not exceeding 1 750 mm3,
60065里面的举列(small parts)
这个只是举例,并没有定义,而且,60065和60950也不一样,真是纠结。 我的 small parts,我等到花儿都谢了,怎么还没出比较权威的解释啊。 95和65都要合并了,所以small part应该跟65是一样的 可以参考一下60335-1 2010对于小部件的定义!
3.6.6
small part
part, where each surface lies completely within a circle of 15 mm diameter, or a part where
some of the surface lies outside a 15 mm diameter circle but in such a way that it is not
possible to fit a circle of 8 mm diameter on any of the surfaces
NOTE A part that is too small to grip and at the same time to be able to apply the glow-wire tip is shown in example A in Figure 5. A part that is large enough to grip but that is too small to be able to apply the glow-wire tip `is shown in example B in Figure 5. A part that is not a small part is shown in example C in Figure 5.
页:
[1]