标题: 电动打草机防护罩安规 [打印本页] 作者: 刘胖 时间: 2012-8-23 07:54 标题: 电动打草机防护罩安规 请问各位电动打草机的防护罩的安规尺寸是多少，有个多少度的最小尺寸限制，其它的尺寸有没有限制，谢谢作者: haolixm 时间: 2012-8-23 10:30
哥，请先说出哪边的撒，根据IEC 60335-2-91：2008 如下要求 ' f' o w! j) X$ F9 c& r6 v' R20.101.1 Lawn trimmers $ O* H' e9 p0 O Y4 L1 ]8 _ U. ^Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown. o7 A3 f0 b5 t% m5 ]: a2 _8 d9 J
in Figure 101.# o' n$ d& M+ Q. Z
The radius X of the guard shall not be smaller than the major swept radius of the cutting 8 G; K1 e* u5 X8 w: Bhead and the guard shall extend beyond the plane of the cutting element by at least 3 mm # A' ` `& [" [- efor walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall; \1 L, m& X6 h" _ P! M/ y& h
extend at least 45° from the axis of the handle on the side where the cutting element is) z: @' p0 i$ ?+ y/ s
moving away from the operator and at least 90° from the axis of the handle on the side where2 p) [0 y) b& x/ x3 s# K
the cutting element is moving towards the operator. The vertices of these angles lie on the 6 p- Q. b5 R) ?, ^$ h* X* c | H, iaxis of the cutting head spindle.; j) H% S, ]8 g9 R/ h
If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s) $ q; h4 q1 w8 W' I; L9 p* hshall be marked on the lawn trimmer. . m3 h$ G1 Z2 k- HCompliance is checked by inspection and measurement. / a, O8 X; s1 y- j+ i. {( Z. G20.101.2 Lawn edge trimmers; ^( C( b4 u n: D5 j4 l
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.. F5 m! O5 J2 I, b+ B
The radius X of the guard shall not be smaller than the major swept radius of the cutting ! k) C2 o8 }9 U+ c) E! [# h) xhead. The guard shall extend beyond the plane of the cutting element by at least 10 mm. 6 b+ w6 ?5 J8 @" oWith the lawn edge trimmer in its normal position of use, the guard shall extend a minimum! g0 {1 y' M& ]' v
of 90° from the vertical towards the ground on the side where the cutting element is moving0 Z. Y) h/ N) ^ a
upwards and a minimum of 45° from the vertical towards the ground on the side where the 6 v& @5 w! {3 \cutting element is moving downwards. The vertices of these angles lie on the axis of the% Q. M( h9 U' x9 n- F* u) w# J
cutting head spindle.$ C3 R0 l1 S# V/ {
If the guarding is less than a total of 360°, the direction of rotation of the cutting elements" ?& a$ D9 @0 s( s5 [; N# ~
shall be marked on the lawn edge trimmer.作者: 刘胖 时间: 2012-8-24 08:06
谢谢这位兄台作者: lu66 时间: 2012-8-28 09:56
学习了。