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本帖最后由 af204 于 2013-2-28 13:55 编辑 + u7 d8 V7 Z% j/ h" m% X
五星四射 发表于 2013-2-28 13:37 / c* d6 n* @9 U
这个变形是指所有部位,还是只是悬挂的部位呢? ' n% h7 G6 g8 a0 ?
$ p9 i1 ~. J, o4.14.1 Mechanical suspensions shall have adequate factors of safety.# x7 f4 d" ~! g/ z h+ T' m
Compliance is checked by the appropriate test from the following
' m4 d o- t6 xTest A, for all suspended luminaires: A constant, evenly distributed load equal to four times the
6 t9 J# X% P. Z# kweight of the luminaire shall be added to the luminaire in the normal direction of the load for a# Q3 D0 |0 G1 o$ D+ l. i. O9 @9 I
period of 1 h. There shall be no appreciable deformation of the components of the suspension system at the end of this period.
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5 D0 ?5 U/ @" Q! u7 A* z标准里说的,只是指悬挂系统不得出现变形,从标题也能看出,该条款只是针对悬挂系统& @+ u8 @- _/ @, ]) c% N; A
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