|
哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求
; S+ W% y# t! T c20.101.1 Lawn trimmers
8 h) S1 e% V5 v, ^Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown
* q/ U+ g' R1 T1 ~$ d9 \6 \in Figure 101.& N, ^1 R+ B H5 [' [
The radius X of the guard shall not be smaller than the major swept radius of the cutting
5 ?/ w/ M* _- H1 [head and the guard shall extend beyond the plane of the cutting element by at least 3 mm
b7 e! B; i- R) w9 A3 s6 Hfor walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall+ q" f4 f: @7 P. p n. |. w0 x" S
extend at least 45° from the axis of the handle on the side where the cutting element is/ `. e8 d' X" c, |* U
moving away from the operator and at least 90° from the axis of the handle on the side where n. M, ^# k S
the cutting element is moving towards the operator. The vertices of these angles lie on the2 }" W$ m4 e* W2 y4 W5 D @
axis of the cutting head spindle.8 F* V S# p N' m7 A2 E
If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s), T' L, ?1 o+ j5 z
shall be marked on the lawn trimmer.
/ L& R! u4 }3 M" X- |* t% nCompliance is checked by inspection and measurement.6 c. K: n2 T) P
20.101.2 Lawn edge trimmers
- ~* j9 b- }$ `' \- YLawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.
& n3 {, H5 N4 M4 W* v9 O1 [, MThe radius X of the guard shall not be smaller than the major swept radius of the cutting% c9 x9 \& d7 H- g: n) q3 i
head. The guard shall extend beyond the plane of the cutting element by at least 10 mm.
/ L4 d$ Z& v5 e: D4 YWith the lawn edge trimmer in its normal position of use, the guard shall extend a minimum
+ i* `: y! c7 W0 c( B5 `of 90° from the vertical towards the ground on the side where the cutting element is moving$ F; z, L7 ~2 i
upwards and a minimum of 45° from the vertical towards the ground on the side where the
+ L3 T0 w2 x w) n0 t7 u: gcutting element is moving downwards. The vertices of these angles lie on the axis of the
, U6 N( y7 X3 G; ~2 }cutting head spindle.
7 x; A* j/ r. c! `- fIf the guarding is less than a total of 360°, the direction of rotation of the cutting elements
. N% m9 {6 {6 ]: B" A2 Pshall be marked on the lawn edge trimmer. |
|