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 - j+ t# @4 u9 p6 ^6 Y$ m20.101.1 Lawn trimmers ' V7 i% c5 |, C, T5 q( m9 oLawn trimmers shall be guarded on the operator’s side, as a minimum, to the extent shown 6 s; ?: |4 a6 @( x: ]in Figure 101. 5 \1 D w. C/ |/ c: r& WThe radius X of the guard shall not be smaller than the major swept radius of the cutting* j% d5 V3 O$ P# u
head and the guard shall extend beyond the plane of the cutting element by at least 3 mm + h( Z1 g# W [+ b; _9 @( A% r3 A2 d. M$ `for walk-behind lawn trimmers and 10 mm for hand-held lawn trimmers. The guard shall/ Q$ I; u) `; b( e V" \
extend at least 45° from the axis of the handle on the side where the cutting element is! D8 W0 n9 N, Y, K6 }) y, s
moving away from the operator and at least 90° from the axis of the handle on the side where* a" \0 j' R2 ~- X# ?. W" M
the cutting element is moving towards the operator. The vertices of these angles lie on the 4 Y: u5 i# _" k4 iaxis of the cutting head spindle. ; i4 l, x- F0 x4 M1 _! [ UIf the guarding is less than a total of 360°, the direction of rotation of the cutting element(s) 3 n+ T" c& S& sshall be marked on the lawn trimmer.2 a9 Q) X# S( ?7 o/ [# m! o- m
Compliance is checked by inspection and measurement.% `- ^: W5 L) J1 @% A' y
20.101.2 Lawn edge trimmers ) y+ x) F' i. @2 iLawn edge trimmers shall be guarded, as a minimum, to the extent shown in Figure 102. 8 L8 A; ^* N( E% r" n, hThe radius X of the guard shall not be smaller than the major swept radius of the cutting. O2 z$ P6 x" U" W$ Q: q
head. The guard shall extend beyond the plane of the cutting element by at least 10 mm. : W; } F; C/ S' ]6 e% E1 a g) mWith the lawn edge trimmer in its normal position of use, the guard shall extend a minimum : P- ~& t/ `1 {1 j8 Z; g' Rof 90° from the vertical towards the ground on the side where the cutting element is moving# |) {. H8 X1 U0 e/ x( L
upwards and a minimum of 45° from the vertical towards the ground on the side where the G8 |: P2 ^6 r) M! P" f* tcutting element is moving downwards. The vertices of these angles lie on the axis of the# u5 B% l& H. \7 w
cutting head spindle. 0 a" F1 |9 ?$ Y0 H' lIf the guarding is less than a total of 360°, the direction of rotation of the cutting elements : w0 w" h8 E: A) @9 fshall 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。