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EN 60598-2-20 Clause 20.6.4 中有这样写到:
) A9 n( f- W/ J2 N1 [% j M$ R o% \20.6.14 Sealed lighting chains shall have adequate mechanical strength.% i& r! @0 `% J% ?1 P# q Z
a) A pull of 60 N, the stress being applied to the ends of the pipe, without jerks, for 1 min. : j$ |7 Y/ l: x2 S, G0 k1 N) O
b) A torque of O, 15 Nm, the stress being applied to the ends of the pipe in the most unfavourable direction (alternatively in cases of doubt) without jerks for 1 min.
' O W7 H9 m3 t9 Y+ _% W M 我觉得可以用上面a) 的方法实验一下。 |
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