stability test for office chair

- Apr 21, 2018 -

Stability tests for office chair


Stability tests - rear stability for type III chairs

The chair shall not tip over when loaded with 6 disks  (disk weighing 10kg (22 lb) each having diameter of 350mm (13.8 in.)) and horizontal force is applied. For seat height < 710 mm (28.0 in.); • F = 0.1964 (1195 – H) Newton. H is the seat height in mm. • F = 1.1 (47 – H) pounds force. H is the seat height in inches. For chairs with seat height equal to or greater than 710 mm (28.0 in.), a fixed force of 93 N (20.9 lbf.) shall be applied.


Stability tests - rear stability for type I and II chairs

The chair shall not tip over when loaded with 13 disks (disk weighing 10kg (22 lb) each having diameter of 350mm (13.8 in.))


Stability tests - front stability

The chair shall not tip over when a vertical load of 600 N (135 lbf.) is applied by means of the front stability loading fixture with horizontal force of 27 N (6.0 lbf.) applied at the same level of the plane of the top of the seat.

Client requirement for increase of testing force.


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