Load Limiting Rod Torsion Testing Machine
Category：Torsion Testing Machine
Introduction
The Load Limiting Rod Torsion Testing Machine is designed for static torsional performance testing of load limiting rods, seat belt mandrels, and other related automotive safety components. The machine measures torque and torsion angle during controlled loading and can generate torque-angle, torque-time, and angle-time curves for performance evaluation and quality inspection.
Application
The machine is suitable for:
(1) Load limiting rods
(2) Seat belt mandrels
(3) Seat belt retractor components
(4) Automotive safety restraint components
(5) Other small torsional components
Standards
(1) GB/T 2611 — General Requirements for Testing Machines
Parameters
| Parameter | Specification |
|---|---|
| Maximum Test Torque | 10 / 20 / 30 / 50 / 100 / 200 / 500 N·m |
| Testing Machine Class | Class 0.5 / Class 1 |
| Torque Measurement Range | 1%–100% FS |
| Torque Minimum Resolution | 0.01 / 0.1 N·m |
| Angle Resolution | 0.01° |
| Maximum Torsion Angle | 99,999° |
| Speed Control Range | 0.01–2 r/min, customizable |
| Angle Indication Error | ≤ ±0.5% |
| Angle Repeatability Error | ≤ 0.5% |
| Torque Indication Error | ≤ ±0.5% |
| Torque Repeatability Error | ≤ 0.5% |
| Speed Accuracy | ≤ ±1% of indicated value |
| Fixture | Standard fixture |
| Power Supply | 220 V, 50 Hz |
| Appearance | Complies with GB/T 2611 |
| Suitable Specimens | Load limiting rods, seat belt mandrels, etc. |
Features
(1) Torque and Angle Measurement – Simultaneously records torque and torsion angle during the test.
(2) Controlled Torsional Loading – Provides stable rotational loading for static torsional testing.
(3) Multiple Test Modes – Supports torque-controlled or angle-controlled testing according to the test requirements.
(4) Automatic Data Acquisition – Test conditions and results can be automatically recorded and stored.
(5) Curve Analysis – Generates torque-angle, torque-time, and angle-time curves for evaluating component performance.
(6) Wide Torque Range – Multiple torque capacities from 10 to 500 N·m are available for different specimens.
(7) Customizable Fixtures – Fixtures can be configured according to the structure and dimensions of load limiting rods and seat belt components.
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