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Automatic Chair Swivel Durability Test Machine

Minimum

1 SET

Delivery

15 days after order.

Model

HD-F731

Certification

ISO

Country

China

BrandName

HD

Package

Each set protected with resin fiber and PP film, then put into Strong wooden case with operation manual and video inside.

Payment

L/C, D/P, T/T

Price

FOB, CIF

Product Introduction:
Chair Seat Rotating Testing Machine is used to test the durability of the seat swivel of the chair.
It apply to all kind of office chair which with swivel platform, used to evaluate the office chair to withstand repeated pressure and wear ability in rotation. It provide two mode of testing:
1. Can set the clockwise and counter–clockwise angle ( 45°to 355°)
2. 360°rotation single direction

 

Specifications:

Framework 1 framework with traverse member and base plat 1200mm ×1200 mm , 12mm thick, galvanized steel
Rotation test axis 1 electromotive test axis for the rotation of the turning knob, position-controlled, rotation angle +/- 360°
Pneumatic test axis 1 pneumatic test axis for seat, load controlled, position diameter 80mm, stroke 500mm
Load Load Cell 122 kg (270 lb.) . Load is transmitted vertically to the seat with lateral adjusting range
Limit Control Operating pressure and cylinder limit switch control
Emergency Button 1 emergency button
Number and Cycles Can be set by PLC ( 0- 99,999)
Accessories (Optional) 1 load pad diameter 200mm  DIN EN 1335

APPLICATION STANDARDS:
BIFMA X5.1-2017

 

Reference Doc: BIFMA X5.1-2017 Swivel Test
Chair Test Step

a) The chair shall be restrained on a platform. Either the seat or the platform shall be restrained from rotation.

b) If the seat adjustable, set it to the maximum seat position. Set all other adjustable features to the normal use condition.

c) A 122 kg (270 lb.) load shall be placed on the seat such that the centre of gravity of the load is 51 to 64 mm (2 to 2.5 in) forward of the centerline of the rotational axis as shown in Picture 1.

d) The cycling device shall be adjusted to rotate the lesser of the following: the available range of rotation or 360 degrees ± 10 degrees. If the available range of rotation is less than 360 degrees, the rotation of the test machine shall be adjusted such that the swivel mechanism touches but does not override the stops. The rotation may be either bidirectional or unidirectional.

e) For chairs that swivel 360 degrees, a cycle is one full rotation. For chairs that swivel less than 360 degrees, one cycle is rotating from one stop to the other stop.

f) The seat or platform shall rotate for 60,000 cycles at a rate between 5 and 15 rotations per minute.

g) If the seat height is adjustable set the height to its lowest position.

h) For all chairs, continue the test for an additional 60,000 cycles to a total of 120,000 cycles.

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