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EN 716婴儿床标准中3 G. C: \/ a8 E4 s3 {4 N" k. Z
5.8.2 Durability test
' x! C7 e) k a6 K" q6 I& V# QPosition the cot on the floor (4.7) with all the legs secured by stops (4.6)., {; H) C s" E3 E
Position a mass of 20 kg distributed over an area of approximately 150 mm × 150 mm at the centre of the bottom of the cot. The mass may consist of more than one part.
# N8 T3 _; d# ?6 Z" i8 TApply forces of 100 N by means of loading pads (4.5) and a device that can press the cot in 4 directions horizontally, with 2 of the forces in the longitudinal (AB) direction and 2 in the lateral direction (CD) opposite each other (Figure 29). The durability forces shall be applied for 2 000 cycles on each point in turn in the order A, B, C, D or A-B followed by C-D (which equals one cycle).
, e8 M9 @' J0 d/ J1 ~. B以上是原文。6 o9 |, _# \( |8 M
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问题:婴儿床栏杆 持久性测试,水平施加100N的推力,要求AB施加力度,然后CD施加力度,做2000次。我想问测试仪器怎么设计?普通的仪器能够做到这种程度吗? |
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