Furniture Chair Seat and Back Strength and Durability Test Machine TNJ-017

TNJ-017 Chair Seat and Back Strength and Durability Machine (4) TNJ-017 Chair Seat and Back Strength and Durability Machine (4)
TNJ-017 Chair Seat and Back Strength and Durability Machine (3) TNJ-017 Chair Seat and Back Strength and Durability Machine (3)
TNJ-017 Chair Seat and Back Strength and Durability Machine (2) TNJ-017 Chair Seat and Back Strength and Durability Machine (2)
Office Chair Seat Back durability tester Office Chair Seat Back durability tester
Office Chair Seat Back durability tester is used for testing the strength and durability of office chair. Made of  10 mm thickness aluminum material frame, PLC control, easy operation; high precision force sensor for the load application.
 
 

Standard : 

BS EN 1728:2012

 

Technical specifications

The machine used for testing 1 unit length chair or 3 units chair 1 seater in sentence time.
Load apply was permanent for chair seat following load for chair dock with cycle used to be and needed
fulfill minimum of:-
a) Frame size : 2m x 3m x 1.5 , shall have removable
stops (12 mm thickness) to restrain chair legs
b) Pneumatic cylinder with load cell capacity 1000N (horizontal) & 2000N(vertical)
c) Three horizontal cylinder & Three  vertical cylinder – to test multiple seat chair or Three single chair simultaneously

d) Mechanism – a specified vertical load is applied first to the seat and the load is maintained when horizontal load is applied. The force shall be maintained for 10±2 s or 2±1 s (adjustable). This constitutes one cycle.

e) Adjustable horizontal load orientation (90˚ to the chair backrest)
f) Adjustable height (500-1000 mm) and horizontal distance between 2 set cylinders
g) Loading pad – attached to the cylinder and can pivot freely
– Three  units seat loading pad – attached to the vertical cylinder (refer attachment)
– Three  units back loading pad – attached to the horizontal cylinder (refer attachment)
h) Cylinder operation selector
– To operate all cylinder set (vertical & horizontal) to test 1 seat & back only
– To operate individual cylinder set (vertical & horizontal) to test one  seat & back only
– To operate vertical or horizontal cylinder only
i) Electronic predetermined counter (EPC) – 6 digit counter to stroke the cylinder up to 200,000 cycles
j) Compressed air:- ±6kg/m²
k) Single phase AC 220V
l) Speed: adjustable (10-20 cycle/minute)

Apparatus structure:

Our furniture instrument competitive features :
1.European standard aluminum Frame
(Thickness and strength 5 times higher than industry)

2. U.S.-origin high-precision force sensors
3. Ades a cylinder
Portable magnet retainer
4. ​Customize the 1 to 1 load block to standard

Spare Parts:

1. Distribution box with aluminum alloy frame x 1

2. Portable magnetic sucker x 4

3. Loading pad x 2

Standards

BS EN 1728:2012 6.4 Seat static load and back static load test;

BS EN 1728:2012 6.17 Combined seat and back durability test;

BS EN 581-2 B.2.1.1 and B.2.1.2

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