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本帖最后由 af204 于 2013-2-28 13:55 编辑 6 U/ d) o* Y5 \: J5 V6 I+ _1 b
五星四射 发表于 2013-2-28 13:37 $ |5 t9 U" i; l, v" B
这个变形是指所有部位,还是只是悬挂的部位呢? - a m r3 t0 E5 T ]
$ }* x- x8 Z; c2 o4.14.1 Mechanical suspensions shall have adequate factors of safety.+ Z) N1 Q7 d/ v
Compliance is checked by the appropriate test from the following
7 v8 b: _" K& y7 bTest A, for all suspended luminaires: A constant, evenly distributed load equal to four times the
1 Y: J! N; O: K T' jweight of the luminaire shall be added to the luminaire in the normal direction of the load for a
2 j0 ?! H. h. K' G8 C" m/ O* Rperiod of 1 h. There shall be no appreciable deformation of the components of the suspension system at the end of this period., V. H9 t1 T1 F: r. u/ j
% a- l3 i& f) f* T/ H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
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