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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。' ?3 L8 i% ~0 X/ u% }
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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:/ K. S. Z5 s& L1 V; A& r/ H" F
$ @0 h$ |/ u2 z5 \% h/ M16 Endurance
2 M) Y- {0 P% d4 q( f/ l. m6 fThis clause of Part 1 is applicable except as follows:
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Orbital sanders and reciprocating sanders are operated at rated voltage while the platen, fitted with) z& S: i# z) k0 @$ a$ d& u, U
abrasive 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.
% f, W9 f" a5 P Z/ l1 X, C, KOrbital 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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