Home / Automotive / Rubber Bush / Multi-Axis Rubber Bush Tester
Static + Dynamic · 3-Axis + TorsionMulti-axis servo hydraulic test system for complete static and dynamic characterisation of rubber-metal bushings — axial, radial, and torsional loading with simultaneous stiffness, damping, and loss angle measurement.
Applicable Standards
RBTM Series
Complete Static & Dynamic Bushing Characterisation in a Single Test System
Rubber bushings are the critical interface between rigid chassis structures and moving suspension components. Their stiffness, damping, and fatigue life directly determine a vehicle's ride comfort, handling precision, and NVH performance — making accurate characterisation essential at every stage from material qualification to production QC.
The AGMPL Multi-Axis Rubber Bush Tester applies simultaneous axial, radial, and torsional loads through independent servo hydraulic actuators, replicating combined in-service stresses that single-axis benches cannot reproduce. The integrated PC software measures static stiffness, dynamic stiffness K, loss angle δ, creep, and stress relaxation across the full 0.1 – 100 Hz frequency range in a single automated test session.
Specifications
| Parameter | Specification |
|---|---|
| Axial Loading | |
| Max Axial Force | 50 kN |
| Axial Displacement Range | ±50 mm |
| Axial Load Accuracy | ±0.5% of F.S. |
| Radial Loading | |
| Max Radial Force (X & Y) | 30 kN per axis |
| Radial Displacement Range | ±15 mm |
| Radial Load Accuracy | ±0.5% of F.S. |
| Torsional Loading | |
| Max Torsional Moment | 500 Nm |
| Torsional Rotation Range | ±30° |
| Torque Accuracy | ±0.5% of F.S. |
| Dynamic Testing | |
| Frequency Range | 0.1 – 100 Hz |
| Dynamic Stroke (Axial) | ±25 mm |
| Dynamic Stroke (Radial) | ±10 mm |
| Waveform Types | Sine · Ramp · Block Load · User-defined |
| System | |
| Test Axes | 3-Axis (Axial + Radial X + Radial Y) + Torsion |
| Drive System | Servo Hydraulic (independent per axis) |
| Control Mode | Closed-loop force / displacement |
| Data Acquisition | Force, Displacement, Torque — real-time, simultaneous |
| Test Software | PC-based, automated sequencing, PDF / Excel / CSV export |
Capabilities
Axial, radial (X & Y), and torsional forces applied independently and simultaneously — replicating real in-service combined loading states for accurate characterisation.
Full stiffness characterisation from quasi-static creep and load-deflection curves through to dynamic frequency sweeps up to 100 Hz — no change of setup required.
Independent closed-loop force or displacement control on every axis via servo hydraulic actuators, ensuring precise and repeatable load application.
Real-time measurement and reporting of dynamic stiffness K (kN/mm) and loss angle δ (tan δ) — the two key parameters for NVH and ride comfort prediction.
Long-duration hold tests under constant load or displacement to characterise creep (deformation growth) and stress relaxation (load decay) per ASTM D6147.
Purpose-built automated test sequencing software with waveform generation, parametric data output, force-displacement overlays, and one-click report export.
Industries Served
Rubber bushings are used wherever vibration isolation, load transmission, and relative motion between two structures must be controlled. The AGMPL Multi-Axis Tester serves all these industries.
Customisation
Environmental enclosure for testing at defined temperatures from −40°C to +150°C, capturing temperature-dependent stiffness and damping properties.
Dual-station fixture for simultaneous testing of two identical bushings, doubling throughput for production quality control applications.
Web-based dashboard for real-time access to test status, live load/displacement plots, and alarm notifications from any networked device.
Engineered foundation design and civil installation drawings, developed by AGMPL's structural team for your specific test lab layout.
After Sales
On-site and in-house calibration of testing machines and sensors
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Application engineering, test method development, and lab planning
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Safe disassembly, transport, and re-commissioning of testing machines
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Modernise legacy or imported test rigs with new controls and sensors
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Annual maintenance contracts (AMC) for all testing machines
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Tell us your bushing type, load range, and test standard — our engineers will design the right system and send a detailed technical proposal.
Trade Shows & Exhibitions
Upcoming Events 2026Tire Technology Expo
Deutsche Messe, Hannover, Germany
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TyreXpo Asia Bangkok
BITEC, Bangkok, Thailand
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Automotive Engineering Exposition 2026 Yokohama
PACIFICO Yokohama, Japan
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Automechanika Dubai
Dubai Exhibition Centre, Expo City Dubai
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