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哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求 l! n I1 \- q7 b" f: j6 d$ |
20.101.1 Lawn trimmers4 Q" [6 [& W3 ^8 }9 ~( o3 ^
Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown
; @9 D# t9 t0 {5 e) P Vin Figure 101.
0 x8 d; g/ Y- ^The radius X of the guard shall not be smaller than the major swept radius of the cutting
7 W$ g# v# R9 u4 q" Nhead and the guard shall extend beyond the plane of the cutting element by at least 3 mm. w1 e* g" o8 z
for walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall% {8 _( R" F( {# I9 \) O/ c! d8 y
extend at least 45° from the axis of the handle on the side where the cutting element is& v! U: j* [( o. A- ^; V
moving away from the operator and at least 90° from the axis of the handle on the side where3 t9 c$ \- P4 Z% X+ ?1 D' N
the cutting element is moving towards the operator. The vertices of these angles lie on the) ^6 C! @# Y* ]. r" k9 D; q
axis of the cutting head spindle.
) L& {4 J/ N) v/ J$ @If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)
, r7 O6 q% e; u# K1 W" ~shall be marked on the lawn trimmer., D e1 f; g% z/ B2 n9 d
Compliance is checked by inspection and measurement.. H+ E! v8 z- @8 T* A2 s$ G$ e
20.101.2 Lawn edge trimmers. `7 M2 i4 m4 f$ | x' M
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.; y, f% ]9 S: l8 n$ V* Y
The radius X of the guard shall not be smaller than the major swept radius of the cutting, f8 e, ]6 \/ f7 R
head. The guard shall extend beyond the plane of the cutting element by at least 10 mm.
) c @$ I# W- _7 o6 G% kWith the lawn edge trimmer in its normal position of use, the guard shall extend a minimum
0 W& A$ S4 V- V/ tof 90° from the vertical towards the ground on the side where the cutting element is moving
9 z/ b: u+ c5 }, S, m2 [) D: d. qupwards and a minimum of 45° from the vertical towards the ground on the side where the
+ u& e4 \7 ^" H* ^; Ucutting element is moving downwards. The vertices of these angles lie on the axis of the
& m2 Z5 A( l; d& Pcutting head spindle.
x; S$ V* F% D$ S$ u2 ?If the guarding is less than a total of 360°, the direction of rotation of the cutting elements
6 L% [. d: E( |shall be marked on the lawn edge trimmer. |
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