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EN 716婴儿床标准中) ~0 A" p! Q" H- a* _: c
5.8.2 Durability test1 K ^/ {, U6 j/ L
Position the cot on the floor (4.7) with all the legs secured by stops (4.6).
& y. Q L% E* J6 N% ^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.3 J6 [ {3 D7 R; R; _% [0 J; d
Apply 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).
5 a: ]& D6 n3 p$ V! ?9 y3 J以上是原文。6 h: c! Y4 G B
' q3 y8 W. r( s% R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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