|
哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求8 E) |' e$ _" c$ U; P/ h+ H7 a
20.101.1 Lawn trimmers, l$ I' B" d) m, ^
Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown
; F% y) @, Z, z3 T7 x$ ~in Figure 101.
3 f! y4 }8 j) M! `5 MThe radius X of the guard shall not be smaller than the major swept radius of the cutting
- y; b# ?- k0 J. A3 l/ F( O. ehead and the guard shall extend beyond the plane of the cutting element by at least 3 mm
& O# T- ?4 G& n9 O' V1 R L; Qfor walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall
, X7 B) A( B x& sextend at least 45° from the axis of the handle on the side where the cutting element is3 r' D" E: @4 \% M ?) j% J
moving away from the operator and at least 90° from the axis of the handle on the side where8 s' s9 N3 O+ x' B
the cutting element is moving towards the operator. The vertices of these angles lie on the
, V$ l- v5 b" ?9 _axis of the cutting head spindle.( y2 d0 p( ?9 b/ j1 v, P5 L
If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)
2 i q" `* h3 L8 Mshall be marked on the lawn trimmer.
7 m1 T, q. O+ h! tCompliance is checked by inspection and measurement.( N* ~; u1 z) n. I& Z9 X
20.101.2 Lawn edge trimmers
9 v) i9 B/ ~" b4 @/ ^Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.
. ]8 F6 H, ]; A+ {The radius X of the guard shall not be smaller than the major swept radius of the cutting
1 {( b# D! @# _' G, Z! Yhead. The guard shall extend beyond the plane of the cutting element by at least 10 mm.( M0 r$ \" x& ?$ U8 v j: l
With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum% e B0 n0 ]1 ?$ M' a6 J
of 90° from the vertical towards the ground on the side where the cutting element is moving
$ J8 J, h4 U1 M3 a" K% w0 K3 ]upwards and a minimum of 45° from the vertical towards the ground on the side where the
% k' m+ X% d. U7 S# ?7 scutting element is moving downwards. The vertices of these angles lie on the axis of the. @2 W/ L) H% i6 e8 n$ g
cutting head spindle.' r$ m4 ~1 t9 o5 H1 K
If the guarding is less than a total of 360°, the direction of rotation of the cutting elements
( W5 H/ d1 B: v- E7 b% dshall be marked on the lawn edge trimmer. |
|