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|  DSH 431$ ~/ q- R) I8 X: P" e1 b
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| Flexible shafts
7 x( \/ c( ]3 w5 i | 17, 17c)# E# Z8 ^$ R, Z1 Y& w4 T! K
| 60601-1(ed.2);am1;am2
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, F" \) ~! y( |# WStandard(s)- (year and edition):
7 `8 G# `4 h- d {IEC 60601-1:1988 Ed.2 Am1+Am2
# a3 S4 k; y* M' ~5 F* LSub clause(s): 17, 17c)/ l6 \* o7 l4 R. y9 j* o
Sheet n°: DSH-431
* f/ F8 Y+ j1 B( u+ h0 K9 J. MSubject: Flexible shafts
+ Q7 A/ O0 | B, T$ `, U5 T+ D' DKey words: Shaft, accessible, applied part0 Y7 H8 n9 _3 Y# w( g8 {
Confirmed by CTL at its 39th meeting, in Cologne/ x9 o7 P. E8 W3 p, I
Question: x6 P+ l4 q& g7 W/ A8 c
Hand held flexible shafts driven APPLIED PARTS may have parts of the flexible shaft which
" T, p9 b8 c; Rare accessible and not connected to PROTECTIVE EARTH.
9 b e+ m Y4 J- \. o& M9 LThis particularly applies to the termination of the flexible shaft which is normally of metal for5 b4 M' M& P0 U% ~: z7 ~8 t( P
durability and strength./ m3 g1 I+ W/ [
Decision:, n/ F7 u/ f$ I: ~3 R" k
Hand-held flexible shafts driving an APPLIED PART, e.g. Surgical or Dental drill, may be4 ]) H% @/ I/ c; K
considered part of the APPLIED PART and therefore the requirements of Sub-clause 17c) will
2 j( b# X1 G+ B$ _ |( gnot apply to the ACCESSIBLE PARTS of that flexible shaft. 17d) shall apply
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发表于 2012-11-5 10:25
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