Screwdriver Torsional Strength Testing Machine 500 N·m
Category：Torsion Testing Machine
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Introduction
The 500 N·m Screwdriver Torsional Strength Testing Machine is a high-precision torsion testing system designed to evaluate the torsional strength and mechanical properties of screwdrivers and other torque-loaded materials or components. With a maximum test torque of 500 N·m, the machine uses a high-resolution torque measurement system and angle measurement system to accurately record torque and torsion angle during testing.
Application
Welding joints
Spring steel
Steel wire ropes
Steel wires
Electrical wires
Cables
Other metal materials and torque-loaded specimens
The machine can determine key mechanical performance parameters such as:
Maximum Torque
Torsional Strength
Upper Yield Strength
Lower Yield Strength
Torsional Failure Torque
The test data can be automatically collected, analyzed, and printed as detailed test reports, making the equipment suitable for material research, quality inspection, product development, and laboratory testing.
Applicable Standards
GB/T 10635 — General Technical Conditions for Screwdrivers
GB/T 10639 — Slotted Screwdrivers
GB/T 10640 — Cross-Recessed Screwdrivers
GB/T 3229 — Assembly Tools for Screws and Nuts — Dimensions and Torque Test for Drive Ends and Connecting Parts
GB/T 10128 — Metallic Materials — Torsion Test Method at Room Temperature
GB/T 2611 — General Technical Requirements for Testing Machines
JJG 269 — Verification Regulation for Torsion Testing Machines
Technical Specifications
| Item | Specification |
|---|---|
| Maximum Test Torque | 500 N·m (customizable according to requirements) |
| Testing Machine Accuracy Class | Class 0.5 |
| Torque Measurement Range | 1%–100% FS |
| Torque Resolution | 1/300.000 of maximum torque |
| Torque Capacity | 500 N·m |
| Torque Measurement Range | 5–500 N·m |
| Minimum Torsion Angle Reading | 0.01° |
| Torsion Angle Measurement Range | 0–10.000° |
| Relative Error of Torsion Angle Indication | Within ±0.5% of indication |
| Test Speed | 0.05–720°/min, stepless speed adjustment |
| Specimen Clamping Range | Customizable according to customer requirements |
| Distance Between Loading Disc and Torque Disc | 0–650 mm (negotiable) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Test Accuracy Class | Class 0.5 |
| Overall Dimensions (L × W × H) | Approx. 1550 × 550 × 1100 mm |
| Net Weight | Approx. 450 kg |
Main Features
High Torque Capacity: Maximum test torque reaches 500 N·m, with higher capacities available on request.
High Accuracy: Testing machine accuracy reaches Class 0.5.
High-Resolution Torque Measurement: Torque resolution is up to 1/300.000 of the maximum torque.
Wide Measurement Range: Torque measurement range of 5–500 N·m, covering a broad range of screwdriver torsional tests.
Precise Angle Measurement: Minimum torsion angle reading is 0.01°, with indication error within ±0.5%.
Wide Speed Range: Test speed can be continuously adjusted from 0.05–720°/min.
Flexible Specimen Clamping: Clamping fixtures can be customized according to different screwdriver sizes and shapes.
Adjustable Test Space: Distance between the loading disc and torque disc can be adjusted from 0–650 mm.
Computer-Controlled Testing: Supports automatic data acquisition, torque-angle curve display, data analysis, storage, and test report generation.
Stable and Reliable Structure: Designed for laboratory and industrial quality-control applications with stable torque loading.
Customizable Configuration: Fixtures, test space, torque range, and other configurations can be customized according to specific testing requirements.
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