HD-F743 Chair Strength Tester

HD-F743 Chair Strength Tester

EQUIPMENT DETAILS

(only for reference)  

      Arm Test- Vertical                                 Arm Test- Horizontal

DESCRIPTION

The machine is designed to test office chair arm ( vertical and horizonal test ) and back strength. It with PLC controller, touch screen interface to input test parameters, test force and times can be set.

GENERAL SPECIFICATIONS

Machine Dimensions: (W x D x H) 2100*1100*1700mm

Compressed air requirement: 6-7kg/ cm2

Electrical Consumption: 0.2KW

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

Gross Weight: 380kg

STANDARD FEATURES 

APPLICATION STANDARDS:

BIFMA X5.1-2017 section 5, 6, 12, 13, 14, 15

Reference Doc:  BIFMA X5.1-2017

Section 5 Backrest Strength Test – Static- Type I Test Procedure:

A force of 667N (150lbf) or 1001 N (225 lbf) shall be applied to the backrest at the backstop position for 0ne minute. Angle 70 ± 10 degrees, If the backrest/tilt lock mechanism will not accept the load due to gradual silpping of the adjustment mechanism during the load application, set the backrest to its most rearward(stopped) position, then apply the specified load(s). Remove the load

Section 6 Backrest Strength Test – Static- Type II & III Test Procedure:

     Same with section 5, only the force should be 667N (150lbf) or 1001 N (225 lbf), Angle 90 ± 10 degrees.

Section 12 Arm strength Test- Vertical- Static Test Procedure:

  A force of 750 N (169 lbf) or 1125 N (253 lbf) shall be applied for one minute. Remove the force

Section 13 Arm strength Test- Horizontal- Static Test Procedure:

A force of 445 N (100 lbf) or 667 N (150 lbf) shall be applied for 15 second in the outward direction.

Remove the force.

Section 14 Backrest Durability Test - Cyclic - Type l Test Procedure:

 For chairs with backrest widths less than or equal to 406 mm (16 in.) at the height of the loading point, apply the load to the backrest for 120,000 cycles.

For chairs with backrest widths greater than 406 mm (16 in.) at the height of the loading point, apply the load to the backrest for 80,000 cycles.

Section 15 Backrest Durability Test - Cyclic - Type Il and lll Test Procedure:

For chairs with backrest widths less than or equal to 406 mm (16 in.) at the height of the loading point, apply the load to the backrest for 120,000 cycles.

For chairs with backrest widths greater than 406 mm (16 in.) at the height of the loading point, apply the load to the backrest for 80,000 cycles.

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:

① please keep the guarantee letter, if you lost it, please connect with us in a month.

② 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:

① Natural reasons

② Operating mistakes

③ Voltage is not fit for our operation instruction

④ Repack it without our guides

⑤ Damaged for borrowing to others

⑥ Damaged for authorized machine modification

⑦ Damaged for authorized calibration

⑧ Authorized transshipment mistake

⑨ Serve for long distance area

D)  Attentions

① Any service outside Guangdong, China, transport and travel fees shall be paid by customer.

② 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.