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哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求5 c- X1 ?1 A( F3 E6 s: s
20.101.1 Lawn trimmers5 v0 c2 T4 M u8 W5 q% g! s( N
Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown
& D7 q% Y ?7 E& P; J* Z9 n" Din Figure 101.
1 k. ^9 z8 q( JThe radius X of the guard shall not be smaller than the major swept radius of the cutting5 X* s& h2 a) w; I5 ^/ t$ a
head and the guard shall extend beyond the plane of the cutting element by at least 3 mm
$ S1 ~5 L- C/ G) U: {for walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall
3 @; t# G2 M% C% Y4 Aextend at least 45° from the axis of the handle on the side where the cutting element is
8 u" O# @* h# q$ e7 Q4 I+ Imoving away from the operator and at least 90° from the axis of the handle on the side where
8 p9 X# a3 A, ]8 U+ Z) {* lthe cutting element is moving towards the operator. The vertices of these angles lie on the
: W* \% B/ g% D! h- H- N3 `! Gaxis of the cutting head spindle./ p$ G6 N' \5 ?* t0 z' F) y
If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)( F, n# G8 [6 r* Z: H- x+ F" C
shall be marked on the lawn trimmer.
( ~- b. s% Z( F7 \5 h9 b1 {1 g3 y9 FCompliance is checked by inspection and measurement.0 g" b! R: w/ e- u8 V/ t9 {
20.101.2 Lawn edge trimmers! U7 l+ A$ b m
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.
8 t! Q3 T: _$ o- e: oThe radius X of the guard shall not be smaller than the major swept radius of the cutting
9 K2 _0 @3 ~3 d: V8 A* ? fhead. The guard shall extend beyond the plane of the cutting element by at least 10 mm.! U* |4 D m6 w( b
With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum! t3 V- Z6 S) d3 n" d
of 90° from the vertical towards the ground on the side where the cutting element is moving) J4 w! R2 {9 q: h/ a( ~
upwards and a minimum of 45° from the vertical towards the ground on the side where the
3 x1 ^# v5 `+ c) |cutting element is moving downwards. The vertices of these angles lie on the axis of the! j. T6 S5 z5 U% S3 F* Z
cutting head spindle.
, e- y0 t* N. a, ^# cIf the guarding is less than a total of 360°, the direction of rotation of the cutting elements
( m9 o3 _# M1 _shall be marked on the lawn edge trimmer. |
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