Universal Joint Torque Testing Machine
Category：Torsion Testing Machine
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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