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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。
% P3 a" {6 \& x
) _! F" ~, \: I- g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:% U1 T, ]) t9 X" z& W
( B! B! N$ c! n! ?( y16 Endurance
% g0 e* ^, r: `7 @$ pThis clause of Part 1 is applicable except as follows:
/ I+ h7 Z% _% W \9 c" B' w16.2 Addition:
; N* v- y; Q! V5 ?' S, Z1 yOrbital sanders and reciprocating sanders are operated at rated voltage while the platen, fitted with1 H2 M* e% k% ~
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.
* S( N5 h0 z1 S% B- a4 n8 IOrbital 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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