|
哥,请先说出哪边的撒,根据IEC 60335-2-91:2008 如下要求/ ^+ b- Y, ^8 z& d0 m# @
20.101.1 Lawn trimmers O" D2 r |- P$ o F5 X& ]
Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown, x! q7 e# s" `3 x
in Figure 101.2 M- ]7 {- i8 Y, Q# p) T
The radius X of the guard shall not be smaller than the major swept radius of the cutting
& N2 F* }5 U! t/ f$ _head and the guard shall extend beyond the plane of the cutting element by at least 3 mm
" p7 x1 M5 R3 w0 f* ?' }$ b% w$ H: xfor walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall# N0 j) [* r1 z* b* f8 a
extend at least 45° from the axis of the handle on the side where the cutting element is
5 h$ C" Y* Q3 y, Ymoving away from the operator and at least 90° from the axis of the handle on the side where7 Z) d" G! B* r$ ^! U% J2 J6 Q
the cutting element is moving towards the operator. The vertices of these angles lie on the# k- e4 l/ n) G1 ?5 W) ~ H ?
axis of the cutting head spindle.7 A( c0 k3 n; o7 e4 g* m: |
If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s)4 v4 }; w5 O' q" Z: N0 }
shall be marked on the lawn trimmer.- Z2 o6 @( J$ P4 N' Q
Compliance is checked by inspection and measurement.: u; v7 D8 g9 {8 `! O1 o7 @ C% f4 U) A
20.101.2 Lawn edge trimmers8 N: b. f+ ^+ A4 L! o- |9 O
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.
7 k+ B' b- }4 _" s X$ JThe radius X of the guard shall not be smaller than the major swept radius of the cutting
$ J$ X* e" g; V W* f1 q: H/ T! i4 zhead. The guard shall extend beyond the plane of the cutting element by at least 10 mm.! R/ f; ^2 A; j
With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum! H0 Z3 D. X D7 C
of 90° from the vertical towards the ground on the side where the cutting element is moving
4 T4 e) P. }" b) A9 q2 Mupwards and a minimum of 45° from the vertical towards the ground on the side where the
X* c2 _) p5 V. Lcutting element is moving downwards. The vertices of these angles lie on the axis of the" T$ t% p. l! _+ ~2 v* d
cutting head spindle. T0 O l2 `: y/ t3 H
If the guarding is less than a total of 360°, the direction of rotation of the cutting elements; S( \ s+ }# Q2 U3 O( u* {: w' x
shall be marked on the lawn edge trimmer. |
|