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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 t3 y' o( X1 H
20.101.1 Lawn trimmers. e I) X5 K/ R `" Q7 A! @
Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown
2 ^+ h2 I$ t" e: Q' ?, H& g) Fin Figure 101., T' [' y+ _( O- n1 E) Q! F
The radius X of the guard shall not be smaller than the major swept radius of the cutting9 x# { N8 z( ~8 _; [
head and the guard shall extend beyond the plane of the cutting element by at least 3 mm
5 t2 K5 R$ ]: W* e$ b( Gfor walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall% _; @2 m; U$ R
extend at least 45° from the axis of the handle on the side where the cutting element is
0 k* `* m7 ?! G- L3 ymoving away from the operator and at least 90° from the axis of the handle on the side where3 Y- i& s |5 ^" ~7 V
the cutting element is moving towards the operator. The vertices of these angles lie on the
. X0 ~( w% x* X: Y- B; }$ oaxis of the cutting head spindle.. @& i# i2 |9 o9 X% T ]$ D4 ]
If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)
5 m/ ?0 C! k8 @) N b0 kshall be marked on the lawn trimmer.8 j& c, U0 r. U8 j7 ~
Compliance is checked by inspection and measurement.! A8 q: U) p7 @
20.101.2 Lawn edge trimmers* J2 n0 ^/ W8 d/ c
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.( L/ j/ {" Z" m( N% V2 S5 e
The radius X of the guard shall not be smaller than the major swept radius of the cutting
) k) I: w/ a. x5 h9 I/ hhead. The guard shall extend beyond the plane of the cutting element by at least 10 mm. e- Y! B# r" \9 U# y; E
With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum; ~0 b& Z2 y, h9 k" k- J
of 90° from the vertical towards the ground on the side where the cutting element is moving
) G4 K1 ]9 D7 A0 T. F; T* R: ^9 Wupwards and a minimum of 45° from the vertical towards the ground on the side where the; {: G& Z/ W& D: s
cutting element is moving downwards. The vertices of these angles lie on the axis of the4 m% U D* t% f2 y9 Q
cutting head spindle.
% F$ G5 M5 @( q& IIf the guarding is less than a total of 360°, the direction of rotation of the cutting elements
- Y* f% [( T+ M$ w! ^shall be marked on the lawn edge trimmer. |
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