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标题: 绳索厚度 [打印本页]
作者: tassx    时间: 2009-10-12 15:23
标题: 绳索厚度
如图是日本的绳索厚度要求，只针对供小孩拉的玩具上的绳索的，比较专业,EN71的是否学习一下？
作者: hewei    时间: 2009-10-12 15:34
不能!3 k; z8 ]7 Y; @" ]9 i2 n
日本的要求如下;
; q4 i' L  O! @. L4.2.2.4 用於18 個以下兒童用的玩具中的繩和彈性繩(參考7.11.12)
: [, ?2 a$ m& F+ y含有附件的繩子在承受25±2N 的拉力後長度不可過300mm.& b1 s7 a2 d7 Q, [* i7 v
可形成圈的繩在承受25±2N 的拉力後其周長不可超過350mm.
* T7 T  {0 n: v1 Z7 A定於搖籃、吊床的繩子,在用25 ±2N 的拉力拉伸時,不超過 750 mm 長度, 此條/ Q- `' ~4 p! z) t- O3 H8 y: W
件下之長度應不超過其自*由長度的40 %.
2 |. `' B7 ^2 V0 [- w1 I% F繩子的厚度或直徑應該大於或等於1.5mm.
& @/ v. T5 J: K  i. |1 s$ v- Q+ ]4.2.2.5 兒童拖拉玩具.8 l/ j: H# ]0 o; t/ Y
兒童拖拉玩具上的繩不可有滑動的結或形成滑動結的扣.並且用於3 歲以下兒童
4 \- t6 ^! ^) P/ G的拖拉繩的厚度不小於1.5mm.
作者: hewei    时间: 2009-10-12 15:36
there are difference for ST and EN
5 r+ d) v& k; l3 ]
5 \! I$ s7 P2 n& X7 l" Y! Npls kindly eggwalk!
作者: 书山有路勤为径    时间: 2009-10-12 15:44
引用第1楼hewei于2009-10-12 15:34发表的  :& I; |" T/ M$ u& L7 w7 q& {+ m
不能!  b; m$ I8 y6 a  `, z4 K
日本的要求如下;
2 p# T2 X* g3 O7 o7 Z: k) n$ Z$ _- d  D4.2.2.4 用於18 個以下兒童用的玩具中的繩和彈性繩(參考7.11.12). w/ s  y" b- g' l  W" t7 K1 B$ w. T
含有附件的繩子在承受25±2N 的拉力後長度不可過300mm.( `+ K( f/ S: D, l& f. x
可形成圈的繩在承受25±2N 的拉力後其周長不可超過350mm.* G4 O) V( X9 f$ b
.......
EN71的相关要求是怎样的呢？
作者: hewei    时间: 2009-10-12 15:55
as below for EN request2 Z: ]* T) W0 R, U

) D. Y4 ^8 h+ U" ]* A% [5.4 Cords on toys (see A.29)
7 J4 }' @& [  H# D; [) _2 yCords shall conform to the following requirements:  u1 u, ]. v4 x/ o! [
a) Cords shall have a thickness (smallest dimension) of 1,5 mm or more when tested according to 8.20
. @; i( y8 D# |* H(cord thickness). This does not apply to ribbons.
9 j& ~! b4 O" k; k7 p, OBS EN 71-1:2005+A8:2009
6 O" Y& Q4 o% {4 ]Licensed copy: Vocational Trading Council, Vocational Training Council, Version correct as of 14/05/2009 08:01, (c)& E* U9 E& ]! g
b) The free length of cords (e.g. on pull-along toys) which include attachments that can form nooses shall, q7 y% S0 p) b9 r% b8 n7 z
either:
6 f& t  L9 W8 Q0 g. a! @2 Q# f, M" { not exceed 220 mm when stretched by a force of (25 ± 2) N; or
9 t6 R9 R4 r$ k when subjected to a force of (25 ± 2) N, separate into parts not exceeding 220 mm when stretched7 ~+ U- K  T" A. N7 X, x6 e" E
by a force of (25 ± 2) N. It shall be possible to join the parts together after they have been separated
% L& l. F* `3 ]9 A$ k3 Lwithout altering the characteristics of the joints (see Figure 10).- o3 h  A2 N" g' `2 \
The free length of the cord shall be measured from the fixing point to the end of the cord or to the fixing' o( E' U7 E0 ]
point on the other part of the toy. If the fixing point has the same shape or form as the cord, this part shall
; P( J0 g% e6 \7 K( F& y7 Ebe measured as a part of the entire cord (see Figure 11).
* B# @" t- [0 {8 oc) The perimeter of any nooses on cords shall not exceed 380 mm when stretched by a force of (25 ± 2) N.7 v) t: |6 N6 f. M/ M3 D' B
d) Toys with self-retracting cords shall have a mechanism recoil force less than 10 N.8 N. W9 P; u: Q% f& z+ q# ~
e) Cords intended to be fixed across cradles, cots, perambulators etc., shall not exceed 750 mm when1 W, t2 K5 {7 p) K' F' m- {
stretched by a force of (25 ± 2) N, and their length under these conditions shall be not more than 40 %longer than their relaxed length.
作者: tassx    时间: 2009-10-12 16:06
我是说“粗度”，
作者: hewei    时间: 2009-10-12 16:08
引用第5楼tassx于2009-10-12 16:06发表的  :
( ^& D6 u  t6 C: j我是说“粗度”，
绳子有厚度的叫法，
) L# Z) I5 h; D没听说过粗度
8 S  ^3 X2 a# @# H: y7 x如果是这样那就PASS
作者: tassx    时间: 2009-10-12 16:49
引用第6楼hewei于2009-10-12 16:08发表的  :$ z% z9 S" {8 i  Z
绳子有厚度的叫法，& e3 T8 Z. n1 O6 x
没听说过粗度
3 u+ g3 ?. u! V: P如果是这样那就PASS
不好意思啊，我看错了.　by the way,你的st2002中文打印版是哪里弄来的啊?市面上看不到非扫描版…



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