绳索厚度

tassx

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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？

hewei

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)
含有附件的繩子在承受25±2N 的拉力後長度不可過300mm.
' H0 `' f0 w. ?7 _) ^% E可形成圈的繩在承受25±2N 的拉力後其周長不可超過350mm.
$ r2 f* A" a6 ~/ d" b  ~- }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 %.
# `3 ]+ F% D6 S, j+ R8 e) F& v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.
" Q# t3 s8 q$ }  i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
* ^$ _! x( o2 j  A的拖拉繩的厚度不小於1.5mm.

hewei

there are difference for ST and EN
& ~1 P& b9 T% R/ F* r% O% [3 c
pls kindly eggwalk!

书山有路勤为径

引用第1楼hewei于2009-10-12 15:34发表的  :
不能!
2 y  E6 W; h$ w& D1 `) o6 @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)
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.
+ i5 m: Q! A! K- J.......

EN71的相关要求是怎样的呢？

hewei

as below for EN request

5.4 Cords on toys (see A.29)
: Z! d& v# K. e2 [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
(cord thickness). This does not apply to ribbons.
( d+ Q8 F6 w1 a5 n% z1 ?9 D" ^# yBS EN 71-1:2005+A8:2009
8 n2 C9 F( i6 G' f6 R' A4 q% uLicensed 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
either:
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
by a force of (25 ± 2) N. It shall be possible to join the parts together after they have been separated
without altering the characteristics of the joints (see Figure 10).
: s& n, }) g5 L0 x/ n* v! aThe free length of the cord shall be measured from the fixing point to the end of the cord or to the fixing
: {! O' z/ I$ W, }point on the other part of the toy. If the fixing point has the same shape or form as the cord, this part shall
- G2 j9 ?6 z; t. r& I. Pbe measured as a part of the entire cord (see Figure 11).
2 \! T5 _, j, g2 @3 |( v' }2 ~c) The perimeter of any nooses on cords shall not exceed 380 mm when stretched by a force of (25 ± 2) N.
# I' T# x5 ~" }5 wd) 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
6 o2 R  S9 a. m) Vstretched by a force of (25 ± 2) N, and their length under these conditions shall be not more than 40 %longer than their relaxed length.

tassx

我是说“粗度”，

hewei

引用第5楼tassx于2009-10-12 16:06发表的  :
: c5 N2 b/ o% m- S- ~我是说“粗度”，

绳子有厚度的叫法，
没听说过粗度
8 y+ `5 d- T6 f2 N/ j9 N7 @) M* e如果是这样那就PASS

tassx

引用第6楼hewei于2009-10-12 16:08发表的  :
: Z9 [% L( m3 v4 W8 u; f绳子有厚度的叫法，
, O, X: i& J  e7 _2 S3 t没听说过粗度
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…