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哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求9 o2 E0 N7 T' p8 u# i" A6 u+ a
20.101.1 Lawn trimmers
$ o' S9 h5 M1 q; P) E0 E5 {Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown! U" w. D: p5 y& ^
in Figure 101.& k$ |5 `) N' p2 P/ [" F
The radius X of the guard shall not be smaller than the major swept radius of the cutting5 r% ?' G W& T1 w: h( g
head and the guard shall extend beyond the plane of the cutting element by at least 3 mm
) x* t) @ ^" I) bfor walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall
% W. b: y4 V% {6 Z: Qextend at least 45° from the axis of the handle on the side where the cutting element is( r3 O- i& y |
moving away from the operator and at least 90° from the axis of the handle on the side where
% K5 `, Q) k- h# R" R: cthe cutting element is moving towards the operator. The vertices of these angles lie on the; B( [- W" u5 F5 V8 L1 ?
axis of the cutting head spindle.
, O( n V! \( |3 E' L# u8 lIf the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)
% ~/ l: B+ G- F8 o7 gshall be marked on the lawn trimmer.
4 h+ S. Q% t: @" SCompliance is checked by inspection and measurement.; g3 k/ p! i4 D8 o; a! w+ O- T. H
20.101.2 Lawn edge trimmers0 y' {, h, }# C" f6 l6 T# v
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.
8 n2 d$ R4 {5 O4 ? p, A2 xThe radius X of the guard shall not be smaller than the major swept radius of the cutting! T' S/ G+ _9 m( W
head. The guard shall extend beyond the plane of the cutting element by at least 10 mm.) S# ~9 m4 V2 V2 d2 a! ?
With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum
5 R/ W) `7 ^+ _; ]5 L6 kof 90° from the vertical towards the ground on the side where the cutting element is moving
3 G5 [. v5 {9 x& tupwards and a minimum of 45° from the vertical towards the ground on the side where the8 N0 \; U4 k, n3 i; m3 A
cutting element is moving downwards. The vertices of these angles lie on the axis of the
5 }8 R/ N; {( j. A2 A7 R7 ycutting head spindle.
/ W- S# p/ p2 @# S( {% K* \If the guarding is less than a total of 360°, the direction of rotation of the cutting elements
& i; h8 J6 K' V' W) J; B6 ishall be marked on the lawn edge trimmer. |
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