Purpose: Elasticity and durability testing for sofas.

Standards: QB/T 1952.1

Key Specs:

Loads: Armrest 250N, Backrest 300N.

Speed: 20-25 cycles/min.

Force Accuracy: ±3%.

Power: 220V AC, 4.7 kW.

Dimensions: 2400×2000×2400 mm; Weight: 700 kg.

Purpose: Mechanical performance testing for mattresses (load deflection, durability).

Standards: QB/T 1952.2

Key Specs:

Force Range: 4-2000 N.

Power: 220V AC, 3.7 kW.

Dimensions: 3000×2400×2520 mm; Weight: 800 kg.

Purpose: Edge durability testing for mattresses.

Standards: QB/T 1952.2

Key Specs:

Force Range: 4-2000 N.

Power: 220V AC, 0.9 kW.

Footprint: 2400×2000 mm; Weight: 600 kg.

Working Principles

Furniture testing equipment operates on the principle of accelerated life and performance simulation. Its core function is to replicate, in a controlled and accelerated manner, the years of stress, strain, and repetitive use that furniture endures in real-world environments, in order to predict failure points and verify compliance with safety and durability standards. The working principles can be categorized by the primary mechanical actions they simulate:

 Cyclic Loading & Fatigue Simulation

An actuator (pneumatic, hydraulic, or servo-electric) applies a repeated force or displacement to a component for thousands of cycles. Sofa/Chair Durability Testers repeatedly compress seats and backs. Cabinet Testers open/close doors and drawers. Seat Swivel Testers rotate the seat mechanism. This simulates long-term use to identify material fatigue, joint failure, or mechanism wear.

 Impact & Shock Testing

A mass (free-falling or pendulum-driven) strikes the test specimen with a specified kinetic energy. Drop Testers release furniture from a set height onto a floor. Seat/Back Impact Testers use a pendulum or falling weight to simulate sudden sitting or leaning forces. This evaluates structural integrity and resistance to sudden shocks.

 Wear & Abrasion Simulation

A test specimen is subjected to continuous, repetitive motion against a surface or under load. Caster Wear Testers roll casters in a fixed path for thousands of cycles. Reciprocating Testers move cabinet drawers or units back and forth. This assesses the wear resistance of moving parts and finishes.

 Stability & Static Load Testing

A controlled, incremental force is applied to a structure, or it is tilted to a critical angle, to measure its point of instability or deflection. Stability Testers apply loads to chair backs or seats on an inclined platform. Mattress Load Testers apply and hold pressure to measure sag and permanent set. This verifies safety margins and load-bearing capacity.

 Control & Measurement System

The unified principle across all equipment is the closed-loop control and data acquisition system. Sensors (load cells, encoders, displacement transducers) continuously measure force, position, and cycles. A controller (PLC or computer) compares these readings to preset test parameters, adjusts the actuators in real-time for accuracy, and logs all data. This ensures tests are repeatable, precise, and generate objective, quantifiable results for compliance reporting.