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It is suitable for the impact of the human buttocks in the use of simulated spring mattress to assess the fatigue life performance of the mattress.

ASTM F 1566

1, The surface with a rounded bottom head impact on the mattress and box springs applied repeatable, control and count the impact of measurement of the mattress and box spring unit to support the strong, to measure the deformation of the mattress and box spring mattress unit using surface dimple.
2, With the loading block specific repeated impact to the mattress, evaluate its durability and spring fast retention. Functional properties.
3, The pressure applied to the mattress is read by a pressure transmitter, and the pressure range is 300KG.
4, Adjusting the stroke of the push rod to make the maximum strength of the mattress on the mattress, =1025N, =22N.
5, The stroke speed of the push rod is adjustable, about 160 weeks per minute.
6, For the largest scale 2.3M X mattress 2.5M.
7, The computer program collate the complete test report according to the data of the pressure transmitter and the position transmitter.