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哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求
; z( C/ Y* X7 W1 i20.101.1 Lawn trimmers; `& Q `7 ?! M6 M! i
Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown9 g/ E1 ]" m: x7 _: N) k |& f, E
in Figure 101.
+ T& j, e' @1 U- k4 i# z7 v3 AThe radius X of the guard shall not be smaller than the major swept radius of the cutting
) B8 P7 q" i. U% ~0 f5 Shead and the guard shall extend beyond the plane of the cutting element by at least 3 mm
: f/ q2 Z* Z3 c% j8 e4 _# J" jfor walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall
+ d N' {5 r" [* m8 }& r; aextend at least 45° from the axis of the handle on the side where the cutting element is4 y1 T5 u4 N+ e6 m- v" U
moving away from the operator and at least 90° from the axis of the handle on the side where" W% S7 X' z) Q. d% O
the cutting element is moving towards the operator. The vertices of these angles lie on the
; r- I, X: i2 Laxis of the cutting head spindle.
, u; j3 w0 P9 C! D) rIf the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)
$ a6 S+ J- V& }6 i6 Ashall be marked on the lawn trimmer.
0 u% \ Z* k# f" PCompliance is checked by inspection and measurement.- y) i* ~2 `* i
20.101.2 Lawn edge trimmers6 ~! }% Y$ ^& M" J& B
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.7 W) O( ]7 ~! i5 I* Q
The radius X of the guard shall not be smaller than the major swept radius of the cutting9 s7 }6 h( c5 e9 v! B
head. The guard shall extend beyond the plane of the cutting element by at least 10 mm.+ y4 z8 x+ l1 o3 X
With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum9 u3 \0 S _$ K1 B( C/ ]) S
of 90° from the vertical towards the ground on the side where the cutting element is moving' R; R+ s. [1 p3 }# v
upwards and a minimum of 45° from the vertical towards the ground on the side where the( d* b; r& |4 P& r/ z
cutting element is moving downwards. The vertices of these angles lie on the axis of the
b' C, B- |0 `' u0 w# scutting head spindle.6 M: T1 H% |# s7 f6 x4 W/ K
If the guarding is less than a total of 360°, the direction of rotation of the cutting elements6 w4 a ? K/ D" t2 m. i9 t) o
shall be marked on the lawn edge trimmer. |
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