|
20章 讲的是稳定性和机械危险,楼主说应该是21章机械强度。
! A! z2 {% M1 I' t' O5 M21.1 The appliance is rigidly supported and three blows, having an impact energy of 0,5 J, are
% N" Y/ P; i9 G! q6 I; _applied to every point of the enclosure that is likely to be weak.这个讲的是方法,是在器具外壳每一个可能的薄弱点上用0.5J的冲击能量打击三次,不是破了就拆除后再冲。
) G, c( J& o$ j+ ]After the test, the appliance shall show no damage that could impair compliance with this1 i; m T! @" J6 U* m( H/ s d
standard and compliance with 8.1, 15.1 and clause 29 shall not be impaired. In case of doubt,& C5 V3 F5 t, b4 d: _0 B
supplementary insulation and reinforced insulation are subjected to the electric strength
( _: N% ^6 O, v4 P# p$ Xtest of 16.3.这里有将判定条件讲得很清楚,不能有本标准意义内的损坏,本标准意义内的损坏就是不能有不安全的因素和隐患存在,特别强调了8.1、15.1和29章的要求一定要满足,如有疑问,对附加绝缘或加强绝缘进行16..3的电气强度试验。 |
|