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会飞的鸭子 发表于 2017-3-8 21:00  ! [ M& O! p( c, T u+ M( Y" N, D
说话要说全啊，不然害死人！
! w$ {. k9 h' |; r5 H) ?如果我还是害死人，你早就死了。
. T+ l0 T2 L1 G0 x) x2 S6 V楼主提到几块板子，怎么构成了吗？他问的是硬度。是不是像下面这样就全了？' U, N5 i+ L7 c4 |5 @8 N1 t5 T/ Y
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4.2.6 Drop test) s3 @8 U4 s4 k. d
The following equipment is subjected to a drop test:' p9 x4 r7 h4 q7 p# G; ^( T
– HAND-HELD EQUIPMENT;4 F9 K3 U1 E( j
– DIRECT PLUG-IN EQUIPMENT;
7 R7 S' v" ]7 r2 t1 G F0 R– TRANSPORTABLE EQUIPMENT;8 Y; D* r. J8 S& h2 ^
– desk-top equipment having a mass of 5 kg or less that is intended for use with any
. U" r5 \5 a4 J' d0 Uone of the following:3 i+ j; F6 ?/ ~ R d8 \
• a cord-connected telephone handset, or
& d- w L, r! k, p b* P& f" g• another cord-connected hand-held accessory with an acoustic function, or
8 N% N7 t, o# Q& v. G• a headset;; N: G' A j/ v- }# G9 d/ P
– MOVABLE EQUIPMENT requiring lifting or handling by the USER as part of its intended use.2 Y9 W$ D( ?8 k. b9 _, J
NOTE An example of such equipment is a paper shredder that rests on a waste container, requiring its removal to empty the container.
4 s1 ~' d2 {$ g# n' u; YTo determine compliance, a sample of the complete equipment is subjected to three impacts+ X) ^9 e1 L S' L
that result from being dropped onto a horizontal surface in positions likely to produce the most1 o) {6 U7 ?6 v
adverse results.
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The height of the drop shall be:
. g( ?4 E/ p' e, q– 750 mm ± 10 mm for desk-top equipment as described above;) h' Z1 E, B4 I) Z
– 750 mm ± 10 mm for MOVABLE EQUIPMENT as described above;) N/ d) j% D) }$ C& y C
– 1 000 mm ± 10 mm for HAND-HELD EQUIPMENT, DIRECT PLUG-IN EQUIPMENT and/ b$ I& \* a, X4 _- ~8 P0 T
TRANSPORTABLE EQUIPMENT.
$ N2 H B% X7 bThe horizontal surface consists of hardwood at least 13 mm thick, mounted on two layers of
8 z$ X- @$ L ?. a3 s1 nplywood each 19 mm to 20 mm thick, all supported on a concrete or equivalent non-resilient
7 B \0 y) p$ n, w0 E5 F$ Pfloor
0 v: D0 x; b7 xCompliance criteria are in 4.2.1.
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发表于 2017-3-8 18:08
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发表于 2017-3-8 19:22
楼主
准确来说，这种跌落试验木板是需要1层硬木加上2层胶合板结合而成的复合木板；$ y4 w! b" v+ u2 d6 W