绳索厚度

tassx

广东安规检测
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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？

tassx

引用第6楼hewei于2009-10-12 16:08发表的  :
绳子有厚度的叫法，
* R3 M& v; f' c* @& J没听说过粗度
( A# y- B5 p0 n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…

hewei

引用第5楼tassx于2009-10-12 16:06发表的  :
我是说“粗度”，

绳子有厚度的叫法，
, @) J/ M5 j& p" w没听说过粗度
如果是这样那就PASS

tassx

我是说“粗度”，

hewei

as below for EN request
# R. J! M: ^: q' z" q( d
5.4 Cords on toys (see A.29)
Cords shall conform to the following requirements:
a) Cords shall have a thickness (smallest dimension) of 1,5 mm or more when tested according to 8.20
, L- w4 Z' J7 k6 e2 V(cord thickness). This does not apply to ribbons.
" h7 R2 f1 k" V# E" }# OBS EN 71-1:2005+A8:2009
Licensed copy: Vocational Trading Council, Vocational Training Council, Version correct as of 14/05/2009 08:01, (c)
b) The free length of cords (e.g. on pull-along toys) which include attachments that can form nooses shall
# ^6 t' _+ l$ t  geither:
' ?+ h! j/ A' F8 Y" ~1 V) l: ]7 y/ J8 x not exceed 220 mm when stretched by a force of (25 ± 2) N; or
when subjected to a force of (25 ± 2) N, separate into parts not exceeding 220 mm when stretched
8 J. k- R* E$ E2 p- cby a force of (25 ± 2) N. It shall be possible to join the parts together after they have been separated
/ J7 r. S$ D! w$ F4 hwithout altering the characteristics of the joints (see Figure 10).
7 g* Q$ g6 }- q# r8 b# \- MThe free length of the cord shall be measured from the fixing point to the end of the cord or to the fixing
point on the other part of the toy. If the fixing point has the same shape or form as the cord, this part shall
& D8 a( D- ~. q+ }! Mbe measured as a part of the entire cord (see Figure 11).
c) The perimeter of any nooses on cords shall not exceed 380 mm when stretched by a force of (25 ± 2) N.
d) Toys with self-retracting cords shall have a mechanism recoil force less than 10 N.
e) Cords intended to be fixed across cradles, cots, perambulators etc., shall not exceed 750 mm when
% ?& S( D! S9 x* o; H3 z7 Dstretched by a force of (25 ± 2) N, and their length under these conditions shall be not more than 40 %longer than their relaxed length.

书山有路勤为径

引用第1楼hewei于2009-10-12 15:34发表的  :
不能!
日本的要求如下;
4.2.2.4 用於18 個以下兒童用的玩具中的繩和彈性繩(參考7.11.12)
+ R' u7 L" O* w( z含有附件的繩子在承受25±2N 的拉力後長度不可過300mm.
可形成圈的繩在承受25±2N 的拉力後其周長不可超過350mm.
! h! ?0 V" h% M# f6 ~.......

EN71的相关要求是怎样的呢？

hewei

there are difference for ST and EN
7 ?! u8 k' T$ Q$ l: @4 P
pls kindly eggwalk!

hewei

不能!
' C4 a- ]+ M1 h* _5 B  j& k日本的要求如下;
4.2.2.4 用於18 個以下兒童用的玩具中的繩和彈性繩(參考7.11.12)
; `( K2 d; e) Q- d. v含有附件的繩子在承受25±2N 的拉力後長度不可過300mm.
! H/ P9 l. p  q# P. U0 g! o4 F7 O可形成圈的繩在承受25±2N 的拉力後其周長不可超過350mm.
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
件下之長度應不超過其自*由長度的40 %.
* j) I* {4 t5 X# E! M7 C; ^8 n繩子的厚度或直徑應該大於或等於1.5mm.
4.2.2.5 兒童拖拉玩具.
* U( \. A2 `+ ^' H" ?( C( l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
的拖拉繩的厚度不小於1.5mm.