Shock Absorber Dynamometer

Professional performance test bench for shock absorbers, used to measure indicator diagram, force-displacement and force-velocity damping characteristics

Product Overview

This shock absorber dynamometer adopts servo drive control system, mainly used for performance testing of automobile, motorcycle and engineering hydraulic shock absorbers. It applies sinusoidal reciprocating excitation to the damper at set stroke, frequency and speed, collects force and displacement data in real time, automatically generates indicator diagram, force-displacement curve and force-velocity characteristic curve. The equipment can test rebound force, compression force, damping energy consumption, friction and other parameters, check whether the indicator diagram is smooth and full, and detect abnormal conditions such as idle stroke and oil leakage. It supports multi-speed continuous scanning test, automatic report generation and data storage. It is widely used in shock absorber product development, sample verification, incoming inspection and finished product performance testing for auto parts manufacturers and professional testing laboratories.

Applicable International Standards

The system is designed to comply with the following recognized testing standards:

• SAE J1490 — Damper Performance and Durability Test Methods
• ISO 3016 — Road vehicles — Shock absorbers — Test methods
• ISO 7500-1 — Metallic materials — Calibration of static uniaxial testing machines
• ASTM E467 — Standard Practice for Verification of Constant Amplitude Dynamic Testing Systems

Note: Specific compliance depends on model configuration, force sensor selection and customized fixture design. Customized fixtures and test schemes for extra testing standards are available upon request.

Key Features

• High-precision servo control — Stable reciprocating sinusoidal excitation, accurate speed and stroke control for repeatable indicator curves.
• Optional force range — 0.1 ~ 50 kN, multiple sensor options, and can be configured according to customer test requirements, replaceable sensors for different dampers.
• Multi-speed continuous test — Support automatic speed sweeping, obtain complete force-velocity characteristic curve of shock absorber.
• Real-time curve display — Indicator diagram, F-S curve and F-V curve displayed synchronously during the test.
• Rich calculation indicators — Automatically calculate rebound damping force, compression damping force and energy dissipation value.
• Universal adjustable fixture — Adapt to shock absorbers of different installation distances and connection forms.
• Professional analysis software — Data saving, curve comparison, batch report export and test review supported.
• Complete safety protection — Over-force, over-stroke, overload and emergency stop protection functions.

Technical Specifications

Specifications vary by model configuration, force sensor selection and customized fixture. Special stroke and high-speed version can be customized according to damper test requirements.

Typical Applications

• Automotive shock absorber factory — R&D tuning and finished product performance inspection of passenger car and commercial vehicle dampers.
• Motorcycle & electric vehicle industry — Indicator diagram testing for front and rear shock absorbers of two-wheel vehicles.
• Engineering machinery sector — Damping characteristic verification for construction machinery and agricultural vehicle dampers.
• Automotive R&D laboratory — Damping curve comparison, valve structure optimization and sample evaluation.
• Third-party testing institutions — Standard shock absorber performance test and certification service.