Backrest Durability Test – Cyclic For Flip Arm Office Chair

- Aug 04, 2018 -

Backrest Durability Test – Cyclic – Type I:


 Testing was performed per ANSI/BIFMA X5.1-2011, Section 14.


Notes:

240 lb. load centered in the seat.

Chair height: Midpoint

100 lb. force applied at 90° to the plane of the back once per cycle.

120,000 cycles at the center of the back

Test rate: 20 cpm • See Photos for set up. 



Specimen

Location

Cycles

Observations

1

Center

0

  Test begun



120000

  No loss of serviceability.

Requirement: There shall be no loss of serviceability


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