Automotive Steering Column Torsion & Fatigue Testing Machine
Category：Torsion Testing Machine
Introduction
The Automotive Steering Column Torsion & Fatigue Testing Machine is designed to evaluate the static and dynamic torsional performance of automotive steering columns. It supports constant torque, constant angle, and cyclic loading in one or both directions. The test cycles, loading speed, torque, angle, and frequency can be configured according to the test requirements.
The horizontal T-shaped test bench provides convenient specimen mounting and adjustment, making the system suitable for steering column development, performance verification, and quality inspection.
Application
The machine is suitable for:
(1) Static torsion testing of automotive steering columns
(2) Dynamic torsion and cyclic loading testing
(3) Constant torque and constant angle tests
(4) Unidirectional and bidirectional fatigue testing
(5) Steering column tension and compression fatigue testing
(6) Automotive steering system development and quality control
Standards
(1) QC/T 649-2013 — Performance Requirements and Test Methods for Automotive Steering Control Mechanism
(2) GB/T 2611-2007 — General Requirements for Testing Machines
(3) JJG 269-2006 — Verification Regulation for Torsion Testing Machines
Parameters
| Parameter | Specification |
|---|---|
| Torque Capacity | 1000 / 3000 / 5000 / 10000 N·m |
| Torque Measurement Range | 2%–100% FS |
| Torque Resolution | 1/±200000 |
| Torque Indication Error | ≤ ±1% |
| Torsion Angle Range | 0–∞ |
| Angle Resolution | 0.1° |
| Angle Indication Error | ≤ ±1% |
| Torsion Speed | 0–720°/min |
| Speed Accuracy | Within ±1% of setting |
| Moving Frame Travel | 0–650 mm |
| Control Mode | Angle control; frequency 1–5 Hz |
| Centerline Coaxiality Error | ≤ Φ0.5 mm within 1000 mm |
| Specimen Clamping Length | 0–1000 mm |
| Specimen Height Adjustment | 0–200 mm |
| Machine Power | 1.0 kW |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (L × W × H) | 1800 × 800 × 1300 mm |
| Weight | Approx. 900 kg |
| Fixtures | Dedicated steering column fixtures |
Tension & Compression Fatigue Testing
| Test Type | Main Parameters |
|---|---|
| Unidirectional Loading | Constant load control; ramp loading; 2/5 kN/s adjustable |
| Unidirectional Cyclic Loading | Displacement control; 0.1–5 Hz adjustable; ±1 mm displacement amplitude |
| Bidirectional Cyclic Loading | Constant load control; trapezoidal waveform; ±10 kN load amplitude; cycles programmable |
Features
(1) Static & Dynamic Testing – Supports static torsion, dynamic torsion, and cyclic loading tests.
(2) Multiple Control Modes – Provides torque, angle, load, and displacement control according to the selected test method.
(3) Bidirectional Loading – Supports forward and reverse cyclic loading for fatigue evaluation.
(4) Programmable Test Cycles – The required number of cycles can be preset for automated fatigue testing.
(5) Stable Horizontal Structure – The T-shaped horizontal test bench provides convenient specimen installation and alignment.
(6) Adjustable Test Space – The moving frame and specimen height can be adjusted to accommodate different steering column configurations.
(7) Dedicated Fixtures – Special fixtures can be configured according to the structure and mounting requirements of the steering column.
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