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目前正在处理一款打蜡机的UL认证项目,但是对于其耐久测试的方法不是很确定,请知道的朋友指导一下。
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j0 }: A' w+ d6 q H测试的标准为UL 745-1和UL 745-2-4。对于-1中的要求我是比较清楚的,只是-2-4中对此的补充要求看的不是很明白。下面为涉及到的条款的具体内容,供大家参考:' O$ H' c. @, H$ o; s# G5 A n
& k- _* s, ?, i' h( N16 Endurance
4 o* w2 `6 [2 R+ s4 cThis clause of Part 1 is applicable except as follows:
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) W) ]9 Q4 P9 @. ^# WOrbital sanders and reciprocating sanders are operated at rated voltage while the platen, fitted with
9 D1 Q- }- W( M4 Z" Y- ^, A! A9 q- Gabrasive paper in reverse position, is resting under the weight of the sander on a steel plate. The abrasive paper should be replaced as required to avoid direct contact between platen and steel plate.
6 ^0 T. v0 w* w6 l5 k6 s7 Y/ V nOrbital polishers are operated at rated voltage while the platen, filled with the supplied polishing bonnet, is resting under the weight of the polisher on a steel plate. The bonnet is to be replaced as required to avoid direct contact between the platen and the steel plate. |
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