Office Chair Backrest & Armrest Strength Testing Machine

Short Description:

This machine is designed for comprehensive strength tests on armrests and backrests of office chairs.
The armrest strength test inspects the integrity of chair armrests under pressure. It simulates one-time and repeated loads during normal use and abusive operation, so as to verify structural strength and bearing capacity, and evaluate the compression resistance of armrests in horizontal and vertical directions.
The backrest strength test assesses the pressure resistance of chair backrests by simulating the force applied when users lean back against the chair.

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**Armrest Strength Test Parameters**
Cylinder Stroke	0~600mm
Electric Stroke	0~600mm
Applied Load	50Lb ~ 300Lb or custom specified
Load Cell Capacity	200kg
Test Speed	5~30 cycles/min or custom specified
Vertical Pressure Pad	Diameter: 127±13 mm
Horizontal Armrest Fixed Shaft	Width ≤ 25mm
Adjustable Distance from Cylinder Pivot to Loading Pad	500~900mm
Overall Machine Dimension (L×W×H)	2200×1080×2200mm
Pressure Control System	Imported SMC automatic regulator or precision pressure regulating valve to ensure stable and reliable cylinder output force; digital display of cylinder force value
Control System	PLC + touch screen with real-time display of speed, frequency, cycles and force value
Standard Accessories	1 set of armrest loading fixture; 2 pcs of cylinder adapters; 2 pcs of chair fixing pressure plates

**Backrest Strength Test Parameters**
Maximum Cylinder Output Force	≤ 150 kgf
Test Platform Width	1000mm
Maximum Output Stroke	600mm
Adjustable Maximum Test Cycle	20 cycles/min
Functional Load	Apply 890N (200Lb) force to the backrest, hold for 1 minute
Destructive Load	Apply 1334N (300Lb) force to the backrest, hold for 1 minute
Standard Accessories	1 pc of chair backrest loading pad; 50 pcs of standard sandbags (5Lb/pc); 2 pcs of chair fixing pressure plates; 1 pc of L-shaped baffle