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本帖最后由 af204 于 2013-2-28 13:55 编辑 . x, T' @/ S! Q6 B# J+ b0 n/ I
五星四射 发表于 2013-2-28 13:37 8 Z2 l' U8 E+ b8 ^% m# _& d
这个变形是指所有部位,还是只是悬挂的部位呢? 5 \4 v/ w5 I- z8 {1 h
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4.14.1 Mechanical suspensions shall have adequate factors of safety.
7 k8 \% W+ ^ S5 F5 I9 p2 fCompliance is checked by the appropriate test from the following
& l2 c, @+ F+ TTest A, for all suspended luminaires: A constant, evenly distributed load equal to four times the' s$ S; x& f" w2 w5 t. a5 S
weight of the luminaire shall be added to the luminaire in the normal direction of the load for a6 T) ` E! F: X9 @) e
period of 1 h. There shall be no appreciable deformation of the components of the suspension system at the end of this period.9 k5 o1 c5 n+ k5 h4 q1 H
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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3 ]1 O1 T0 M# i! W
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