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 " }; F0 W* m* r2 Z20.101.1 Lawn trimmers" u7 {1 P, N. n( P+ S
Lawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown ( Q! E! {8 ~& }( Cin Figure 101. X; ~) Q! a2 {
The radius X of the guard shall not be smaller than the major swept radius of the cutting 2 s3 c# r! `& H ]- bhead and the guard shall extend beyond the plane of the cutting element by at least 3 mm ( g9 S: P; |: Ufor walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall3 S+ N( s' B/ h9 l9 t( D
extend at least 45° from the axis of the handle on the side where the cutting element is : q% x* G: }* s+ \moving away from the operator and at least 90° from the axis of the handle on the side where 2 d) S' Q1 y6 d1 o( R. tthe cutting element is moving towards the operator. The vertices of these angles lie on the * x: F$ Q/ |' e4 Saxis of the cutting head spindle. ( Z, x# N6 D% l3 s8 Y( ?If the guarding is less than a total of 360°, the direction of rotation of the cutting element(s) x' {+ I& v& U/ B5 O1 y1 Qshall be marked on the lawn trimmer.4 b; L3 u- N( ^6 b. S0 Y' x
Compliance is checked by inspection and measurement.; f. y7 \; `+ S6 z% t
20.101.2 Lawn edge trimmers0 o! t8 R' R6 c; {& Y. L
Lawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102.: j8 ^/ r2 F5 c
The radius X of the guard shall not be smaller than the major swept radius of the cutting" T5 c- J' m/ J7 u
head. The guard shall extend beyond the plane of the cutting element by at least 10 mm.- B9 I/ a/ ?3 C) \3 X; m4 ]
With the lawn edge trimmer in its normal position of use, the guard shall extend a minimum9 @' @3 J+ b3 |: q+ u3 X' k
of 90° from the vertical towards the ground on the side where the cutting element is moving ' V! t3 L+ V; f6 k: \upwards and a minimum of 45° from the vertical towards the ground on the side where the & m3 j- x- n O' _7 {- M' scutting element is moving downwards. The vertices of these angles lie on the axis of the 8 b0 m2 q" p7 fcutting head spindle.; a% P5 R% O0 |1 L, f) V
If the guarding is less than a total of 360°, the direction of rotation of the cutting elements 3 r1 b+ Q- a8 I0 n+ R5 Z4 ~- Ashall 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。