Chair Backward Durability Tester – Furniture Test Equipment TNJ-006

TNJ-006 Chair Backward Durability Tester (4) TNJ-006 Chair Backward Durability Tester (4)
TNJ-006 Chair Backward Durability Tester (1) TNJ-006 Chair Backward Durability Tester (1)
TNJ-006 Chair Backward Durability Tester (2) TNJ-006 Chair Backward Durability Tester (2)
TNJ-006 Chair Backward Durability Tester (3) TNJ-006 Chair Backward Durability Tester (3)

Chair Backrest Durability Testing Machine is to evaluate the ability of the chair back to withstand the fatigue stress and wear that occur as the result of user exerting backward pressure on the chair.


Testing methods:fix chair and impose a poise of 225pounds on the seat surface and keep the tilt mechanism reciprocating movement within its front and back limits for 300000 times at a speed of 10-30cpm.

 
 
 

Standard : ANSI/BIFMA X5.1-2017 , BS EN 1335-1-2020

Technical specifications

This machine need to fulfill minimum as follow for apply load was decided on backrest following cycle or time decided:

a)One pneumatic cylinder with load cell capacity 2000N

b)Adjustable load direction (90˚to the chair backrest)

c)Form- fitting load distribution device which distributes a force over a 305±13mm x 70 ± 32mm (12±0.5” 2.75”± 1.25”) area of the chair backrest

d)Two(2) operation mode:

-Electronic predetermined counter (EPC) – 6 digit counter to stroke the cylinder up to 120,000 cycles

-Timer – to apply and release the force after One (1) minute. Compress air: ±6kg/m²

e)PLC programming code supplied

f)Single phase AC220V

g)Speed: adjustable (10-30 cycle/minute)

Feature

1. Electrically adjustable cylinder output angle
2. Specimen clamping with no tools required
3. Humanized operation control, a key to complete the test
4. Digital voltmeter, voltage monitor, off memory counter, Avoid unravel
5. T-square linear bearing guide screw, stable, smooth

Standards

QB/T2280, ANSI/BIFMA X5.1-2017, BS EN 1335-1-2020

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