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22.12 中提到的self-hardening resins究竟是什么胶水啊？问过不少人，但都说不清楚。主要是搞不清楚我们常用的胶水当中有哪些是self-hardening resins。TUV他们可以接受哪些？
/ Q7 o$ D$ N& L相关条款如下：
2 L& X- r1 z! a4 J) W) P22.12 Handles, knobs, grips, levers and similar parts shall be fixed in a reliable manner so
. |1 I- h- R& r, P$ {8 i5 Pthat they will not work loose in normal use if loosening could result in a hazard. If these parts) D" |7 f2 |* \0 h# X
are used to indicate the position of switches or similar components, it shall not be possible to fix
& \( d* T* r jthem incorrectly if this could result in a hazard.
& O1 e5 c' s! p- H! q, z' ^Compliance is checked by inspection, by manual test and by trying to remove the part by
8 S9 |* }' w7 N0 e: Y& _ a- Xapplying an axial force of
. G) q6 Z4 W3 }# {; ^/ i– 15 N, if an axial pull is unlikely to be applied in normal use;
* u# p( x6 f2 Z) ~- @" d1 }0 J– 30 N, if an axial pull is likely to be applied in normal use., \9 O7 y# K. ?( }2 ]' v8 {
The force is applied for 1 min.1 U& S* Y9 @: A( B1 d! Z) B
NOTE Sealing compound and similar materials, other than self-hardening resins, are not considered to be
' d6 Y: f' b8 kadequate to prevent loosening.. |
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发表于 2009-7-17 10:37
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