In-house Test Report For Task Chair

- Apr 18, 2018 -

Requested Tests:

Test Name

Requirement

Backrest Strength Test – Static – Type II   and III

ANSI/BIFMA X5.1-2017, Section 6

Drop Test – Dynamic

ANSI/BIFMA X5.1-2017, Section 7

Swivel Test – Cyclic

ANSI/BIFMA X5.1-2017, Section 8

Seating Durability Tests – Cyclic

ANSI/BIFMA X5.1-2017, Section 10

Rear Stability Tests

ANSI/BIFMA X5.1-2017, Section 11

Front Stability Tests

ANSI/BIFMA X5.1-2017, Section 11

Backrest Durability Test – Cyclic – Type   II and III

ANSI/BIFMA X5.1-2017, Section   15

Caster/Chair Base Durability Test –   Cyclic

ANSI/BIFMA X5.1-2017, Section 16

Base Test – Static

ANSI/BIFMA X5.1-2017, Appendix C

 

Product Description:

 

Specimen

Description

Supplier

1-3

CRN26   CARINA TASK CHAIR

Rooms   to go

 

Summary:

Test  Name

Specimen

Results

Backrest Strength Test – Static – Type II   and III

2

PASSED

Drop Test – Dynamic

2

PASSED

Swivel Test – Cyclic

2

PASSED

Seating Durability Tests – Cyclic

2

PASSED

Rear Stability Tests

1

PASSED

Front Stability Tests

1

PASSED

Backrest Durability Test – Cyclic – Type   II and III

3

PASSED

Caster/Chair Base Durability Test –   Cyclic

1

PASSED

Base Test – Static

2

PASSED


1.       Backrest Strength Test – Static – Type II and III

Testing was performed per ANSI/BIFMA X5.1-2017, Section 6

Notes:

Functional load: 150 lbs. for 1 min.

Proof load: 225 lbs. for 1 min. • See Photo 1&2 for set up. 

blob.png blob.png

Specimen

Load   (lbs.)

Time   (sec.)

Observations

2

150LBS

60

No   loss of serviceability.


225LBS

60

No   sudden and major changes.

Requirement: 

 

Functional Load: The Functional Load applied once shall cause no loss of serviceability to the chair.

 

Proof Load: The Proof Load applied once shall cause no sudden and major change in the structural integrity of the chair. Loss of serviceability is acceptable.

   

2.Drop Test – Dynamic

Testing was performed per ANSI/BIFMA X5.1-2017, Section 7.

Notes:

Impacts applied through a 16" bag dropped from 6" above the seat.

Functional load: 225 lbs.

Proof load: 300 lbs. See Photo 3&4(maximum seat height) for set up.

blob.png blob.png


Specimen

Load   (lbs.)

Seat   Height

Observations

2

225LBS

Maximum

No   loss of serviceability.


225LBS

Minimum

No   loss of serviceability.


300LBS

Maximum

No   sudden and major change in structural integrity.


300LBS

Minimum

No   sudden and major change in structural integrity.

 

Requirement:

 

Functional Load: There shall be no loss of serviceability.

 

Proof Load: There shall be no sudden and major change in the structural integrity of the chair. Loss of serviceability is acceptable.

 

3.Swivel Test – Cyclic:

 Testing was performed per ANSI/BIFMA X5.1-2017, Section 8.

 

Notes:  

Tilt tension: Midpoint.

Seat load: 270 lbs.

Seat load location: Two inches in front of the centerline of the spindle and centered from left to right.

Test rate: 15 cycles per minute. • See Photo 5&6 for set up. 

blob.png  blob.png


Specimen

Seat   Height

Cycles

Observations

2

Maximum

0

Test   begun.



60000

No   loss of serviceability.


Minimum

60000

Test   continued.



120000

No   loss of serviceability.

Requirement: There shall be no loss of serviceability.

 

4.       Seating Durability Tests - Cyclic:

Testing was performed per ANSI/BIFMA X5.1-2017, Section 10.

Notes:

 

A 406 mm ± 13mm (16 in. ± 0.5 in.) diameter test bag containing metal media weighing 57 kg (125 lb.) shall be attached to a cycling device, permitting a free fall to the seat. The drop height and/or seat height shall be adjusted during the test if the drop height changes by more than 13 mm (0.5 in.).  The cycling device shall be set at a rate between 10 and 30 cycles per minute.The chair shall be tested to 100,000 cycles. See Photos 7 for set up.

Apply a force of 890 N (200 lbf.) through a 203 mm ± 13 mm (8 in. ± 0.51 in.) diameter loading device at one front corner flush to each structural edge.

Raise the loading device from the seat and lower completely, without impact to the seat

so that it takes the entire load without any support from the cycling device, at a rate of 10

to 30 cycles per minute. Test for 20,000 cycles. Reposition the load to the other front

corner, and perform the test for an additional 20,000 cycles. See Photos 8&9 for set up. 

blob.png blob.png blob.png



Specimen

Test

Cycles

Observations

2

Impact

0

Test   begun.



100000

No   loss of serviceability.


Load   Ease

0

Test   begun.



20000

No   loss of serviceability.

Requirement: There shall be no loss of serviceability to the chair after the completion of both the impact and load ease tests.

 

5. Stability Tests:

 Testing was performed per ANSI/BIFMA X5.1-2017, Section 11.

Notes: 

Type III rear stability performed with 5 discs in seat with force applied to the front of the top disc.  Type III rear stability force calculation: 1.1 x (47- 20.0") = 29.7 lbs.

See Photos 10 (Rear Stability), 11 (Front Stability) for set up. 

blob.png blob.png


Specimen

Test

Force to Transfer Weight to Rear Legs

1

Rear   Stability

 The chair not tip over.

1

Front   Stability

 20lbs

Requirement: 

Rear Stability: The force determined shall not be less than that shown for each type of chair: Type III: 156 N (35 lbs.)

Front Stability: The chair shall not tip over as a result of the (4.5 lb) force application.

 

6. Backrest Durability Test – Cyclic – Type II and III:

 Testing was performed per ANSI/BIFMA X5.1-2011, Section 16.

Notes:

240 lb. load centered in the seat.

Chair height: Midpoint

75 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 Photo 12&13 for set up. 

blob.png blob.png


Specimen

Location

Cycles

Observations

3

Center

0

  Test begun



120000

  No loss of serviceability.

Requirement: There shall be no loss of serviceability

7. Caster/Chair Base Durability Test - Cyclic:

Testing was performed per ANSI/BIFMA X5.1-2017, Section 16.

Notes:  

The chair base assembly was fitted with a load adapter which had a total weight of 281 lbs.  (250 lbs + 31 lb. weight of the fully assembled chair.)

The chair or chair base shall be cycled 2,000 cycles over the obstacles and then 98,000 cycles on a smooth, hard surface (steel preferred) without obstacles

Test rate: 10 cpm. • See Photo 14&15 for set up. 

blob.png blob.png

Specimen

Test

Cycles

Observations

1

Thresholds

0

Test   begun



2000

No   changes.


Smooth   Plate

98000

Continued   test.



100000

No   loss of serviceability.

Requirement: There shall be no loss of serviceability. The caster shall not separate from the base as a result of the application of the 22 N (5 lb.) force.

 

7. Base Test – Static

Testing was performed per ANSI/BIFMA X5.1-2017, Appendix C.

Notes: 

The casters were removed from their stems; each stem was then re-inserted into the base.

2,500 lb. load was to be applied twice and held for 1 minute each time. See Photo 16 for set up. 

blob.png

Specimen

Load(lbs)

Time

Observations

1

2500

60

No   sudden and major change in structural integrity.


2500

60

No   sudden and major change in structural integrity.

Requirement: There shall be no sudden and major change in the structural integrity of the base. The center column may not touch the test platform during the load applications.




Related News

Related Products

  • Chaise Lounge in Fabric
  • Counter Height Barstool in Bonded Leather
  • 20inches Bench Ottoman with Gold Legs
  • Fabric Reclining Loveseat
  • Fabric Upholstered Tufted Loveseat
  • Comfortable Fabric Executive Office Chair