The core of the damping force testing equipment for washing machine suspension rods is to simulate the dynamic damping, stiffness, and durability of the suspension rods under the high-speed dehydration reciprocating motion of the washing machine, ensuring vibration reduction, noise reduction, and anti vibration failure.

Applicable standard

-GB/T 4288-2018 (Washing Machine Vibration and Hanger Requirements)

-GB 4706.24 (Washing Machine Safety, Vibration Testing)

- QB/T 4996-2016、 Technical specifications for enterprise suspension rods

Testing environment and equipment conditions

-Environment: temperature of 20 ± 5 ℃, humidity of 45% to 75%; Power supply AC220V/380V 50Hz

-Force range: 0-500N (commonly used), accuracy ± 0.5% FS (sensor 0.25/0.5 level)

-Displacement stroke: 0-300mm, accuracy ± 0.1mm

-Exercise frequency: 0.1-10Hz (simulating dehydration at 800-1200rpm, corresponding to 13-20Hz)

-Drive: servo motor+ball screw; Loading mode: constant speed/constant force/loop

-Fixture: Suitable for Φ 4/Φ 6 suspension rods, quick clamping; Workstation: Single/Multiple Workstations

-Data: PLC+touch screen, real-time collection of force displacement velocity, generation of hysteresis curve, automatic report