Chair Swivel Testing Machine
Application
This test applies to all types of chairs with a swivel seat.
Purpose of Test: This machine is designed to evaluate the ability of a chair to withstand stresses and wear caused by repeated swiveling.
Standards
DIN 4551, EN 1335, NEN 1812,
BIFMA X5.1, BSI/BS 5459, EN 581-2

Specifications:
According to test Standard: BIFMA X5.1-2002, Test No. 9
1. Applicability: This test applies to all types of chairs with a swivel seat.
Purpose of Test: this machine is designed to evaluate the ability of a chair to withstand stresses and wear caused by repeated swiveling.

2. Machine Mechanism:
* Loading weight : 102kg (225lb)
* Cycle rate: 5 ~ 15 rotations per minute.
* Test cycle: 120,000 times.
* Counter: 999,999
* Loading weight is adjustable.

3. Features:
. Safety protection – automatic detection of breakdown point while the test specimen breaks.
. Testing frequency can be pre-set. Once the pre-set level is reached, the machine stops automatically .
. Equipped with safety cover.
. High Precision – Forces are measured with a precision proportion valve via a pneumatic valve driver. The pneumatic output range is within 1kg/cm2 ~ 8kg/cm2 being able to maintain high precise constant force. Adopt high accuracy and precision pneumatic proportion valve to ensure test stabilities and low error.
. Selectable units of system – kg, N, lb
. Easy to Operate – The machine is operated via the corresponding POD(programmable operation display) system. One touch operation functions are easy for test. A test result will show as soon as the test is complete.
. Conforms to national standard – Meets national standard requirement.