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哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求
* u3 D9 U) W0 H% g& ?20.101.1 Lawn trimmers
2 z2 \- u7 j# D2 U: c$ s; v NLawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown
' B$ c# |$ t" f, C- Gin Figure 101.( ^: I5 H( H. J" }
The radius X of the guard shall not be smaller than the major swept radius of the cutting% K* B# Y- K1 _( ^+ O$ p5 `% R
head and the guard shall extend beyond the plane of the cutting element by at least 3 mm& y6 H- ^7 r7 f8 r
for walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall& N. A! J" U$ y/ p2 U
extend at least 45° from the axis of the handle on the side where the cutting element is& Q$ J: E) g. W7 A, O7 p9 d
moving away from the operator and at least 90° from the axis of the handle on the side where. \: s4 X) u/ n
the cutting element is moving towards the operator. The vertices of these angles lie on the7 J$ a, e {7 J0 U) Y. M& g; E( z
axis of the cutting head spindle.
( p0 M1 e$ U6 @* X# d" TIf the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)
4 A5 A. z, Q m3 [shall be marked on the lawn trimmer.* r! ^; R/ D! @/ m7 O( F. r
Compliance is checked by inspection and measurement.
/ o7 J& T. t! o' l% \8 l20.101.2 Lawn edge trimmers8 V9 I0 v3 E9 I' R! Z0 E4 ?
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.: |+ `$ J; }# \ b/ b8 C8 z
The radius X of the guard shall not be smaller than the major swept radius of the cutting' _6 z, J$ X0 v6 q
head. The guard shall extend beyond the plane of the cutting element by at least 10 mm.
9 G9 ?/ ~+ J p( ]With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum0 G0 W7 x1 l! \6 U8 g' w
of 90° from the vertical towards the ground on the side where the cutting element is moving
' ~3 O' A# R/ W2 P: Q! v, B1 Dupwards and a minimum of 45° from the vertical towards the ground on the side where the
& M( g+ F# M! ccutting element is moving downwards. The vertices of these angles lie on the axis of the! z5 \! ]/ ]: D' c: D; O% t
cutting head spindle.. \. |; K, H7 N s
If the guarding is less than a total of 360°, the direction of rotation of the cutting elements
/ W% \ y y$ `- eshall be marked on the lawn edge trimmer. |
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