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UL507 Drop test 对下面的Electric fan 做不做?: D5 ?* r% E# R+ V6 I* k
我认为不用做,因为它虽是DESK FAN,但不是BOX fan, 对吗?
' \" P+ x. }& w4 j% ]- x# d- i- ]: C% I! y1 f0 I, v" e
UL507 Clause 52
8 d" B- z) U( Q( O1 m6 y8 e52 Drop Test
# X X7 X; J$ O( j1 d52.1 A desk fan and a box fan shall withstand, with the fan operating at maximum speed, the drop test( o7 L! N; @' N. I- B; N) F
described in 52.2.- t9 a4 w" j; h* t
52.2 Each of three samples of a fan is to be dropped through a distance of 914.40 mm (3 feet) to strike
' D' H$ }5 h8 o3 b. w9 F8 ta hardwood surface. Each sample is to be dropped three times. Three samples shall be employed for the3 ]6 e% p J- o: v1 {" J- f( i- m6 p: r
test; however, if the manufacturer so elects, fewer samples may be used in accordance with Figure 52.1.
! S# c' d) C" ]3 e9 O6 h/ HAs a result of the drop test, the probe illustrated in Figure 8.1 shall not be able to contact a portion of a
( r& c% A ^! Q- u% s! o; n* E2 m1 ?blade or blower wheel that presents a risk of injury to persons when inserted in any opening in the guard. |
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发表于 2009-11-24 13:28
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