cmk1991 发表于 2017-5-17 18:49

风扇扇叶规格和转速

风扇扇叶规格和转速达到多少,即使测试手指碰到扇叶也是可以的呢?

马蹄 发表于 2017-5-18 15:21

除非使用软性材料,如EVA 或 PVC这样的软胶片做扇叶,否则都不可以~(个人经验,未知条款要求)

lsx 发表于 2017-5-18 16:33

用EVA做风叶我司做过一次认证,还是TUV-GS,但是他们开始也怕,结果TUV工程师讨论了很久才同意的签这 张证书.

弹指一挥uu 发表于 2017-5-18 17:53

本帖最后由 弹指一挥uu 于 2017-5-18 17:54 编辑

IT产品按照60950里面的4.4.5的计算公式可以算出来,家电的不很清楚

chushang 发表于 2017-6-30 15:50

我们有款产品在ITS做的,有个公式计算,不过需要速度很慢:)

baicaizfl 发表于 2017-6-30 15:56

满足60335-2-80条款20.101的,叶片可以触摸到:
20.101 Fan blades, other than those of fans for mounting at high level, shall be guarded unless their leading edges and tips are rounded with a radius of not less than 0,5 mm and
– they have a hardness less than D 60 Shore, or
– they have a peripheral speed less than 15 m/s when the fan is supplied at rated voltage, or
– the fan has a power output not exceeding 2 W when supplied at rated voltage.
Compliance is checked by inspection and by measurement.
页: [1]
查看完整版本: 风扇扇叶规格和转速