HD-F733 Chair Base Test Rig-copy
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HD-F733 Chair Base Tester



                                                                                                                  Only for reference


                                                          Steel Support Blocks                                                                                                Operation interface

Equipment Description

Test rig for chair base is used for the vertical pressure test, destructive test and fatigue test of office chair Ipomoea base (Star Base), repeated pressure loading with setting force and test cycles as the fatigue test. All holding pressure time and cycle number of tests can be adjusted.



Machine Dimensions: (W x D x H) 1410*1360*1700 mm

Power supply source: single-phase, AC220V±10%, 50/60Hz (can be appointed)

Gross Weight: 450kg



2000kg ( Transcell senor)

Unit switch

gf,kgf, N, LBf, W, KN, T

Load resolution


Load accuracy

within ±0.5%

Max stroke

750mm including grip

Test speed

(0.01-100)mm/min (computer input)

Drive device

imported servo motor

Stroke resolution

0.001 mm


RS232 with operation software;

one computer(for optional)




Reference Doc: BIFMA X5.1 2011   clause 7 Base Test-Static

BIFMA X5.1 2011 Base Test Procedure:

Remove the casters or glide foot (castors/ glide stems shall remain in place). Caster/ glide stems are required for support. Remove the seat support mechanism and height adjustment mechanism (if applicable) from the base. Apply the load to the vertical support column, or test fixture that simulated the taper/base interface.

a) A force of 11,120 N (2500 lbf.) shall be applied for one minute

b) Remove the force

c) Apply a second force of 11,120 N (2500 lbf.) for one minute

d) Remove the load 

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.