Pulley Torsional Fatigue Testing Machine
Category：Torsion Testing Machine
Introduction
The Pulley Torsional Fatigue Testing Machine consists of a loading system, transmission system, digital data acquisition and processing system, and computer measurement, control, and display system.The machine is designed for torsional mechanical performance testing of various types of pulleys, including die-cast pulleys, vulcanized pulleys, integrated pulleys, timing pulleys, and other belt pulley components.The equipment adopts a horizontal structure with computer control, screen display, digital data acquisition and control system, and a full digital AC servo system. It uses a planetary reducer transmission system, featuring uniform loading, stable operation, no impact during testing, and high-precision data acquisition and control.
Applications
Torsional fatigue performance testing of various pulleys
Testing of die-cast pulleys, vulcanized pulleys, integrated pulleys, and timing pulleys
Evaluation of torsional strength, fatigue life, and durability of automotive pulley components
Quality inspection and reliability testing of mechanical transmission parts
Widely used in automotive, machinery manufacturing, component suppliers, research institutes, and testing laboratories
Applicable Standards
GB/T 2611 — General Requirements for Testing Machines
GB/T 10128 — Metallic Materials — Torsion Test Method at Room Temperature
JB/T 9370 — Technical Conditions for Torsion Testing Machines
Relevant automotive pulley and mechanical component torsional fatigue testing standards (according to customer requirements)
Technical Specifications
| Item | Specification |
|---|---|
| Maximum Torque | 10 N·m / 20 N·m / 50 N·m / 100 N·m / 200 N·m / 500 N·m / 1000 N·m / 5000 N·m (Standard models, customizable) |
| Testing Machine Class | Class 0.5 / Class 1 |
| Torque Measurement Range | 1% FS–100% FS |
| Torque Resolution | 0.001–0.01 N·m |
| Torque Loading Direction | Clockwise and Counterclockwise |
| Torsion Speed Control Range | 0.1°–720°/min (Customizable) |
| Torque Resolution Ratio | 1/±300000 |
| Rotation Angle Measurement Range | 0°–±99999° |
| Test Stroke | 300–500 mm (Customizable) |
| Relative Error of Indication Repeatability | <0.5% |
| Relative Error of Torque Indication | <±0.5% / <±1% |
| Test Frequency | 0–5 Hz |
| Relative Error of Torsion Angle Indication | <±0.5% |
| Loading Mode | Fully Automatic |
| Torsion Fixture | Universal Flange Plate |
| Equipment Weight | Approx. 600 kg |
| Appearance Requirements | Complies with GB/T 2611 |
| Completeness | Meets standard requirements |
| Protection Function | Overload protection function |
| Power Supply | 220 V, 50 Hz |
| Operating Mode | Automatic motor loading |
Test Functions
The Pulley Torsional Fatigue Testing Machine adopts a Windows-based Chinese operating platform and supports multiple control modes for torque, torsion angle, and deformation.The system uses a graphical Windows interface, allowing users to configure the display screen and operation panel according to testing requirements. It supports setting of test speed and various control parameters, provides real-time display of basic test results, and can display various related curves during the test process in real time.
Main functions include:
Torque control
Torsion angle control
Deformation control
Test speed setting
Parameter configuration
Real-time test data display
Real-time test curve display and analysis
The system provides convenient operation, accurate data acquisition, and reliable test analysis for torsional fatigue performance evaluation of pulley components.
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