Huahui Test Machine
13921944678
发布时间:2018-01-08 04:16:39 分类:行业动态 来源: 点击:次
UL1993硬木跌落地板
非标定制类检测设备 灯具安全安规及镇流器检测设备 防水防尘/阻燃耐热检测设备及试验指 新能源锂电池充电桩检测设备 家用电器IT/AV检测设备 电线电缆性能检测设备 低压电器/成套开关检测设备 电容器及安全元器件检测设备详细说明UL1993硬木跌落地板(Hardwood floor)
8.8.2 A device shall be subjected to the impact test as follows:
a) A device shall be dropped 0.91 m (3 ft) strikinga hardwood surface in the position most likely to produce adverse results. The hardwood surface shall consist of a layer of nominal 25 mm (1 in) thick tongue-and-groove oak flooring mounted on two layers of nominal 19 mm (3/4 in) thick plywood. The assembly shall rest on a concrete floor or an equivalent non-resilient floor during the test.
b) A device shall be dropped three times so that, in each drop, the sample strikes the surface in a position different from those in the other twodrops.
8.8.2一个设备应该能承受如下的冲击测验:
A)一个设备将被从0.91m(3英尺)的高度下降冲击硬木地板容易受损的部位。硬木表面由一层大约25mm(1英寸)厚的舌榫橡木地板安装在两层大约19mm(3/4英寸)厚的胶合板上。测试应该安装于混凝土地板上或等同的没有弹性的地板上。
B)一个设备应该被扔下3次,因此,样品撞击地板表面的三次应该撞击于不同的位置。
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