|
|
|  DSH 4312 O% `2 L: w S' w7 _- u- X
8 R6 s j. h, ^5 }$ _3 Q | Flexible shafts+ V& t- i/ V$ ^1 |% L6 M2 R
| 17, 17c)
8 G# |/ f5 M. J | 60601-1(ed.2);am1;am22 _9 R! Q: b$ U: p7 E
|
: \% e3 H- ]- b9 m( H. V# g; D: _5 ]Standard(s)- (year and edition):- A* w, P4 K3 Z# ^# h' d( z( u& z
IEC 60601-1:1988 Ed.2 Am1+Am2
* N9 r# q4 Q; F3 P0 r& Z+ \Sub clause(s): 17, 17c)' J5 j+ D z, i) ~2 @5 I+ N& Q
Sheet n°: DSH-431
; E# [4 S( U' ^) ySubject: Flexible shafts9 W# n: f0 |4 z, H7 ]
Key words: Shaft, accessible, applied part% p" U5 Z0 i7 u# c/ h
Confirmed by CTL at its 39th meeting, in Cologne5 ~5 U' d3 ?! v4 V% S* Q9 D
Question:
5 q7 f. a) W( {9 pHand held flexible shafts driven APPLIED PARTS may have parts of the flexible shaft which
# m+ v* I7 O# w1 |. mare accessible and not connected to PROTECTIVE EARTH. T: J, v4 Y. y! p+ R
This particularly applies to the termination of the flexible shaft which is normally of metal for& }2 F- g/ _; l1 b8 v8 o+ D0 o
durability and strength., A0 P8 X, `2 V( n3 ~* r3 ]$ |7 [& G
Decision:* l o2 X) V- _! y% m4 g. \3 X
Hand-held flexible shafts driving an APPLIED PART, e.g. Surgical or Dental drill, may be
( L) E2 Z, B5 f- c2 K8 zconsidered part of the APPLIED PART and therefore the requirements of Sub-clause 17c) will
9 h% _: I( N! v2 l3 qnot apply to the ACCESSIBLE PARTS of that flexible shaft. 17d) shall apply
( r: S, g6 D- T( [9 ?$ I/ Q5 y1 {' r2 H; m7 U
$ o* e* B, [) }9 G: I
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 )
窥视卡
雷达卡
发表于 2012-11-5 10:25
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡