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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? 8 |5 n; o! R7 @' ~
相关条款如下: 1 ^% t# e* c! w! ]7 t$ n; t8 ^' i
22.12 Handles, knobs, grips, levers and similar parts shall be fixed in a reliable manner so+ c" c7 f% d0 r3 q
that they will not work loose in normal use if loosening could result in a hazard. If these parts
* @" U2 E: Y) M2 pare used to indicate the position of switches or similar components, it shall not be possible to fix
5 O" |) E# t4 i: L# i V3 Sthem incorrectly if this could result in a hazard.
/ G' V4 h9 R" H1 _- Q, |Compliance is checked by inspection, by manual test and by trying to remove the part by
$ u2 j/ H% h. g e: e2 Sapplying an axial force of
7 N3 M3 E* c% D! P" C2 G9 B# p– 15 N, if an axial pull is unlikely to be applied in normal use;
2 Z" {- w% b$ N! Y* Q4 L% y9 K– 30 N, if an axial pull is likely to be applied in normal use.
0 L6 N. j4 O1 i1 mThe force is applied for 1 min.
) }; F# ^5 e. b: t& MNOTE Sealing compound and similar materials, other than self-hardening resins, are not considered to be
' U+ `: w/ ~. n) |/ k* jadequate to prevent loosening.. |
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