|
哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求/ i b7 E( C2 F- ]- z# `9 ^- M& i& R! E- Y
20.101.1 Lawn trimmers: r2 N8 X/ i+ o* G& V& l9 U
Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown9 V( |- X. S, d
in Figure 101.9 O2 I, C# |/ u
The radius X of the guard shall not be smaller than the major swept radius of the cutting
5 \: N* g% H: b$ \5 F6 |/ lhead and the guard shall extend beyond the plane of the cutting element by at least 3 mm& m( [/ `8 ?4 h6 K0 t& ^! R5 \
for walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall7 h& _" |. R, ?2 q" o% N, _
extend at least 45° from the axis of the handle on the side where the cutting element is
9 f6 R9 R% {2 G( t! w! s, h" e: u3 Rmoving away from the operator and at least 90° from the axis of the handle on the side where
7 |$ T+ m$ M$ E9 v; D1 S3 cthe cutting element is moving towards the operator. The vertices of these angles lie on the* r+ s7 G5 a0 h0 I! Q
axis of the cutting head spindle.! A* a" H) N2 s8 Y% J- Z
If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)4 t/ F4 J$ Q3 u, U' [: V1 s$ W! |
shall be marked on the lawn trimmer.
+ @* J% s9 z2 C) PCompliance is checked by inspection and measurement.6 O/ e8 Z. q: x" E) ~" P
20.101.2 Lawn edge trimmers
3 T1 ?6 Z0 M$ Y) M: m8 SLawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102./ H8 |2 f4 M6 j
The radius X of the guard shall not be smaller than the major swept radius of the cutting( z J) r( l7 c) D- f+ s
head. The guard shall extend beyond the plane of the cutting element by at least 10 mm.. P; w) P- u4 ]+ C0 ^6 p
With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum V0 a: K! W& E( O7 q4 `9 l
of 90° from the vertical towards the ground on the side where the cutting element is moving
& c, N% z$ w5 i8 pupwards and a minimum of 45° from the vertical towards the ground on the side where the
$ \) ?4 n. A; K8 X7 Qcutting element is moving downwards. The vertices of these angles lie on the axis of the k/ r8 s: |; l+ B& n
cutting head spindle." ^ j! Y$ S" s
If the guarding is less than a total of 360°, the direction of rotation of the cutting elements! M, n2 E# q1 @: H( g
shall be marked on the lawn edge trimmer. |
|