Dongguan Hust Tony Instruments Co.,Ltd.
Dongguan Hust Tony Instruments Co.,Ltd. China Manufacturer for Furniture Testing Machines, Textile Testing Equipment, Toys Testing Instrument and universal Tensile Test Machine.
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Chair Backrest Backward Durability Tester
Description:
It is suitable to all chairs with backward function. It is used for evaluating the durability of the chair with backward function under the loading status. Test result: Testing Loss of function after the test shall not be qualified (based on customer specified requirements can be judged). Test goal: Appraises all office chair seat back cushion to have the caster function chair to have under the state of loading durable ability.
Applications:
Test object: All office chairs with back backward function.
Testing process: Fixed chair, chair side load 225 lbs weight, imposed by external force only between the points.
Test speed:10-30CPM done 300,000 times the speed of reciprocating motion.
Results evaluation: No loss of function after the test.
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: ANSI/BIFMA X5.1.15/16 Backrest Durability Test, EN 1335:2000, QB/T2280-2007