Socket Torque Testing Machine
The Socket Torque Testing Machine is a specialized testing device designed to evaluate the torsional mechanical performance of sockets, such as socket wrench sockets and bit sockets. It is primarily used to measure parameters such as torque strength, torsional deformation, maximum torque, and failure torque, helping assess the quality, durability, and safety performance of socket tools.
Application
The Socket Torque Testing Machine is primarily designed for the testing and evaluation of sockets and other torque-transmitting tools. The test socket is securely mounted between adjustable fixtures, allowing the spacing to be adapted to different specimen sizes and enabling torsional mechanical performance testing under various test conditions.The machine adopts computer-controlled operation and can acquire and analyze key test data, including:
Torque
Peak Torque
Torsion Angle
Torque–Time Curve
Torque–Torsion Angle Curve
Torque–Rotation Angle Curve
The test software/display system provides real-time visualization of the relevant test curves, enabling detailed evaluation of the socket’s torque performance, torsional behavior, and failure characteristics.
Applicable Standards
GB/T 3390.1 — Hand-operated Socket Wrenches — Sockets
GB/T 3390.2 — Hand-operated Socket Wrenches — Driving Squares and Square Drives
GB/T 14765 — Cross-Handle Sockets
QB/T 4619-2013 — Ratchet Wrenches
GB/T 2611 — General Technical Requirements for Testing Machines
EN ISO 2725-3 — Assembly Tools for Screws and Nuts — Square Drive Sockets — Part 3: Power-Driven Sockets
EN ISO 2725-2 — Assembly Tools for Screws and Nuts — Square Drive Sockets — Part 2: Machine-Operated Socket
Technical Specifications
| Item | Specification |
|---|---|
| Maximum Test Torque | 10 N·m / 20 N·m / 50 N·m / 100 N·m / 200 N·m / 300 N·m / 500–3000 N·m (customizable) |
| Test Stroke | 300 mm |
| Testing Machine Accuracy Class | Class 0.5 / Class 1 |
| Torque Measurement Range | 1%–100% of full scale |
| Minimum Torque Resolution | 0.01 N·m / 0.1 N·m |
| Angle Resolution | 0.01° |
| Maximum Torsion Angle | 99.999° |
| Test Speed | 0.1–720°/min (customizable) |
| Relative Error of Angle Indication | <±0.5% |
| Repeatability Error of Angle Indication | <0.5% |
| Relative Error of Force/Torque Indication | <±0.5% |
| Repeatability Error of Force/Torque Indication | <0.5% |
| Test Speed Accuracy | Better than ±1% of indicated value |
| Rotation Direction | Bidirectional loading |
| Torsion Fixture | 1 set |
| Power Supply | 220 V, 50 Hz |
| Applicable Tools | Sockets, T-handle sockets, socket wrenches, etc. |
Main Functions
Adjustable fixture spacing for different socket specifications
Computer-controlled test operation
Real-time torque and angle data acquisition
Peak torque measurement
Torque–time curve generation
Torque–torsion angle curve generation
Torque–rotation angle curve generation
Test data storage and retrieval
Test report generation and printing
This equipment is suitable for socket manufacturers, hand-tool manufacturers, quality inspection laboratories, research institutions, and R&D departments.
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