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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。$ D5 Y3 y- `2 Q: a" o' f/ b
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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:( C1 ~# B+ d1 b3 d! _
+ U; u( t4 f) `) [+ n16 Endurance; T; ?- y& m# [/ B
This clause of Part 1 is applicable except as follows:# a9 ~; _- y# Q6 K4 a" q7 ?
16.2 Addition:5 P* o$ i( ]% ^# t
Orbital sanders and reciprocating sanders are operated at rated voltage while the platen, fitted with
, O' I$ m' d" I2 O; |9 {- Habrasive 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.
1 s5 n9 C# m& c7 b, O, b' 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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