Torsional Vibration Damper Testing Machine

Torsional Vibration Damper Testing Machine is developed for static torsion, dynamic stiffness, damping characteristic and fatigue durability test of torsional dampers. It can measure torsion stiffness, hysteresis curve, loss angle and fatigue life of engine torsional dampers, clutch dampers and rubber torsional vibration absorbers.

Product Overview

This equipment adopts high precision torque sensor and servo dynamic torsion drive system, with high resolution angle encoder. It supports static torsion test and sinusoidal dynamic torsional excitation test, collects torque and angle data synchronously, outputs hysteresis loop and damping parameters automatically. It is widely used for product verification, incoming inspection and durability test of automotive, marine and engineering machinery torsional dampers.

Applicable International Standards

• ISO 12114: Road vehicles — Clutch — Test methods for dampers
• ISO 3046-5: Reciprocating internal combustion engines — Torsional vibrations
• ISO 18437-2: Mechanical vibration and shock — Characterization of visco-elastic materials, resonance method

Main Features

• High precision torque and angle measurement, suitable for static and dynamic torsional test
• Support angle control, torque control and frequency control working modes
• Real-time display of torque-angle hysteresis curve, automatic calculation of stiffness and damping loss factor
• Custom special fixture for different types of torsional dampers
• Cycle counting and automatic stop function for fatigue test, overload and over-torque protection
• Professional test software, data storage, curve export and test report generation

Technical Specifications

Application Fields

This testing machine applies to torsional performance test of engine torsional dampers, clutch torsional dampers, rubber torsional vibration absorbers and shaft vibration dampers. It is widely used in auto parts factories, engine manufacturers, third-party testing laboratories and research institutes for stiffness test, damping characteristic test and fatigue durability test.