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请大家注意标准的意思,不要断章取义:+ X" n- _3 F3 F5 Z- }. u$ K
1) 首先看标准的这句"30.1 External parts of non-metallic material, parts of insulating material supporting live parts including connections, and parts of thermoplastic material providing supplementary insulation or reinforced insulation,", j7 @! _, e& y' U3 D0 {! }
要注意前面这句"30.1 External parts of non-metallic material"/ Q/ }3 M( O3 Q3 s
意思是"对于非金属材料制成的外部零件" 它和后面的两种材料是平行的.并未包含在"支撑带电部件的的绝缘材料"; "起附加绝缘和加强绝缘的热塑性材料" 里面..
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2) 然后根据yyfyqzy 对其产品的描述, 其洗脚盆材料既不是"支撑带电部件的的绝缘材料" , 也不是"起附加绝缘和加强绝缘的热塑性材料".
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& n; r) ?$ ]$ Q2 G% K, v* c 本人觉得, 工程师对洗脚盆材料做球压测试所取的温度,应该是根据其在11章做温升时, 所测得的" 紧贴发热丝处的温度"再加上烘箱的温度.8 O8 }( M6 w" o6 j x8 [6 \. x6 d
这样才符合标准" The test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise determined during the test of clause 11, but it shall be at least
3 R% f d! A& h* {– 75 °C ± 2 °C, for external parts" |
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