HD-F736 Chair Drop Impact Tester
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HD-F736 Chair Drop Impact Tester

Product images

 (for reference only)

Equipment Description

Test rig for chair drop durability is used to evaluate the ability of the chair to withstand heavy and abusive impact forces on the seat. It can also to evaluate the ability of chairs to withstand fatigue stresses and wear caused by downward vertical force(s) on the seat.g for chair drop durability is used to evaluate the





General Specifications: 


Machine Dimensions: (W x D x H) 1600*1500*2400 mm

Power supply source: single-phase, AC220Volt, 50Hz

Gross Weight: 820kg





Adjustable Drop Height

10mm to 180mm

Weight Sensor


Largest chair dimensions width


Test speed

0~30 times/min  

Times setting

0 ~ 999,999

Control mode

PLC and LCD touch screen

Air source



total test bag weight 136kg

(can be divided to 136kg 102kg, 57kg)



A:  Motor (Can be adjusted up and down)

B:  Air cylinder

C:  Dust cover

D:  Imported sensors  

E:  Drop test bag

F:  PLC and LCD touch screen

G:  Air pressure valve

H:  Castor




Application standards:

BIFMA X5.1 2017 section 7 Drop Test-Dynamic & section 10 Seating Durability Tests-Cyclic.


Tester Introduction: 

Test rig for chair drop test according to BIFMA X5.1 2017 Clause 7 & Clause 10.3.

To evaluate Chair to withstand fatigue stresses and wear caused by free fall vertical forces on the seat.

Test Procedure:

BIFMA X5.1 2017 Clause 7

==Functional Load Test

a) A test bag weighing 102 kg (225 lb.) shall be raised 152 mm (6 in.) above the uncompressed seat and released one time.

b) Remove the bag.

c) For chairs with seat height adjustment features, set height to its lowest position and repeat a) and b).

==Proof Load Test

Similar with Functional Load Test, but the force is 136 kg (300 lb).

  BIFMA X5.1 2017 Clause 10.3

  Test Procedure: Diameter impact bag: 406±13mm

   Impact load: 57kg(125lbf)

   Impact height: 36mm(1.4in) 

   Speed:1030 cycles/min

    The chair shall be tested to 100,000 cycles.



Consist of:

  • 10mm to 180mm Drop Height(adjustable)
  • 1 TECSIS load cells 2 KN
  • 1 Electronic fixture to lift bag and then drop it for free
  •  PLC and LCD touch screen display
  •  Accessories: test bag



Quality guarantee

A)  Quality assurance items

The guarantee period with FOC within one year (not including nonexpendable & transport and travel fees)

1. During the guarantee period, Haida shall supply free maintenance or replacement for the damaged part(just for nonexpendable part) induced by non-human damage;

2. If any quality problems occurs within the guarantee period, and Haida must provide on-site service, the transport and travel expense shall be borne by customer;

3. If any big quality problems occurs out of the guarantee period, Haida will provide a maintain service, the transport and travel expense shall be borne by customer, also charge for a favorable price;

4. Haida will provide a lifetime favorable price to the buyer with the materials and spare parts used in system operation, equipment maintenance;

B)  The main quality warranty maintenance certificate

If there is any dispute please refer to our guarantee letter, so:

 please keep the guarantee letter, if you lost it, please connect with us in a month.

 If the guarantee letter has been altered or it has no our stamp, it is useless.

C)  The following conditions need to be paid reasonably even in the assurance period:

 Natural reasons

 Operating mistakes

 Voltage is not fit for our operation instruction

 Repack it without our guides

 Damaged for borrowing to others

 Damaged for authorized machine modification

 Damaged for authorized calibration

 Authorized transshipment mistake

 Serve for long distance area

D)  Attentions

 Any service outside Guangdong, China, transport and travel fees shall be paid by customer.

 The apparatus try not to be used in the following situations:

a. Vibration, rocking the occasion.

b. Direct sunlight.

c. Hot, dusty, damp places.

d. To ensure safe, AC supply of the machine should be well grounded.

e. Do not use strong solvents (such as: benzene, nitro oil) washing machine.

f. Do not inject water and debris into the machine; prevent damage to electrical components and electrical shock.

g. Instrument displays the disassembly and debugging can only be measured by the State Department approved the units and the company, other people not allowed to overhaul.