Universal Joint Torque Testing Machine
Category：Torsion Testing Machine
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Introduction
The Universal Joint Torque Testing Machine is widely used for evaluating the torsional mechanical performance of universal joints, universal joint adapters, and other torque-transmitting tools. It is suitable for hardware tool manufacturers, quality supervision authorities, metrology and testing institutes, metallurgy, aerospace, automotive, and other industries.
Applicable Standards
ISO 1174-1 — Assembly Tools for Screws and Nuts — Drive Ends for Hand-Operated Square Drive Sockets
ISO 1174-2 — Assembly Tools for Screws and Nuts — Drive Ends for Power-Driven Square Drive Sockets
ISO 1711-1 — Assembly Tools for Screws and Nuts — Mechanical Properties of Hand Tools — Part 1: Wrenches for Industrial Use
ISO 1711-2 — Assembly Tools for Screws and Nuts — Mechanical Properties of Hand Tools — Part 2: Wrenches for Automotive Use
GB/T 3390 — Hand-Operated Socket Wrenches
GB/T 2611 — General Technical Requirements for Testing Machines
GB/T 10128 — Metallic Materials — Torsion Test Method at Room Temperature
JJG 269 — Verification Regulation for Torsion Testing Machines
Main Functions
Torque Testing: Measures the torque applied to the universal joint during testing.
Peak Torque Measurement: Records the maximum torque reached during the test.
Torsion Angle Measurement: Measures the torsion angle of the specimen.
Curve Analysis: Displays and analyzes:
Torque–Time Curve
Torque–Torsion Angle Curve
Torque–Rotation Angle Curve
Adjustable Fixtures: The fixture spacing can be adjusted to accommodate different specimen sizes.
Computer-Controlled Operation: Provides automated control and real-time test data acquisition.
Data Management: Supports test data storage, retrieval, and test report printing.
Multiple Test Modes: Can be used for torsional performance, peak torque, and destructive testing according to the specified test requirements.
Technical Specifications
| Item | Specification |
|---|---|
| Maximum Test Torque | 100 / 200 / 300 / 500 / 1000 / 2000 / 5000 N·m (customizable) |
| Test Stroke | 300 mm / 600 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 Torque Indication | <±0.5% |
| Repeatability Error of 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 | Universal joints and related torque-transmitting tools |
| Customization | Available |
Recommended Test Environment
Ambient Temperature: 10–35°C
Relative Humidity: ≤80%
Installation: Stable foundation or workbench
Environment: Free from significant vibration and corrosive media
Power Supply: Voltage fluctuation within ±10% of the rated voltage
The equipment is suitable for product development, quality control, incoming inspection, finished-product testing, and torsional performance evaluation of universal joints and related fastening tools.
Main Features
Wide Torque Range: Maximum test torque available from 100 to 5000 N·m, with customizable configurations.
High-Precision Torque Measurement: Measurement range covers 1%–100% FS, with a minimum torque resolution of 0.01 N·m / 0.1 N·m.
High-Resolution Angle Measurement: Angle resolution up to 0.01°, with a maximum torsion angle of 99.999°.
Adjustable Test Speed: Test speed ranges from 0.1–720°/min, with customizable speed ranges.
Bidirectional Loading: Supports both forward and reverse torsional loading.
Accurate Measurement: Torque and angle indication errors are less than ±0.5%, with repeatability errors below 0.5%.
Computer-Controlled Testing: Supports automatic test control, real-time data acquisition, curve analysis, data storage, and report generation.
Adjustable Fixtures: Interchangeable fixtures can accommodate different universal joint and related tool specifications.
Multiple Test Functions: Supports torque testing, peak torque measurement, torsion angle measurement, constant-torque testing, and destructive testing.
Stable Loading: Provides smooth and controlled torque loading for reliable and repeatable test results.
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