Half Shaft Torsion Testing Machine

Special servo torsion test bench designed for automotive half shafts, for static torsion damage, torsional stiffness and torsion fatigue performance test

Product Overview

This half shaft torsion testing machine adopts heavy-duty servo torsion drive and closed-loop control system, specially developed for automotive drive half shafts. It supports static ultimate torsion test, torsional stiffness test, torque holding test and cyclic torsion fatigue test. The machine is equipped with adjustable spacing flower key fixture and flange clamping structure, which can adapt to half shafts of different lengths and spline specifications. The equipment strictly guarantees coaxiality during loading and avoids additional bending moment interference. It can automatically record torque-angle curve, measure yield torque, breaking torque, torsional stiffness and fatigue cycle life. The matched test software collects torque and angle data in real time, supports curve analysis, batch data storage and standardized test report export. It is widely used for incoming inspection, product development, durability verification and batch quality control of auto parts manufacturers.

Applicable International Standards

The system is designed to comply with the following recognized testing standards:

• ISO 18338:2021 — Metallic materials — Torsion test at room temperature
• ISO 1352:2021 — Metallic materials — Torque-controlled fatigue testing
• ISO 6789:2017 — Hand torque tools — Calibration and testing

Note: Specific compliance depends on model configuration, torque sensor selection and customized fixture design. Customized fixtures and test schemes for extra testing standards are available upon request.

Key Features

• Heavy load servo torsion drive — High rigidity host frame, stable loading, suitable for high torque test of automotive half shafts.
• Wide customizable torque range — 1 ~ 5000 N·m, multiple sensors optional according to half shaft test requirements.
• Multi-test mode integration — Static destructive torsion, torsional stiffness, torque holding, cyclic torsion fatigue test.
• Special spline & flange fixture — Adjustable center distance, match different half shaft splines and installation sizes.
• Rich calculated indicators — Breaking torque, yield torque, torsional stiffness, fatigue cycles and torque-angle curve.
• Real-time curve display — Torque-angle curve, torque-time curve displayed synchronously during testing.
• Professional test software — Curve analysis, batch data storage and formatted test report export.
• Complete safety protection — Over-torque, over-angle, overload and emergency stop protection functions.

Technical Specifications

Specifications vary by model configuration, torque sensor selection and customized fixture. Micro torque version and heavy-load large torque fixtures can be customized on request.

Typical Applications

• Automotive half shaft factory — Static torsion and fatigue durability batch inspection of driving half shafts.
• Auto R&D department — Torsion performance verification and new product development test for driveline parts.
• Vehicle component testing lab — Research on torsional strength and failure characteristics of half shaft.
• Third-party testing institutions — Standard torsion durability test and certification service according to relevant ISO standards.
• New energy vehicle industry — Torsion strength assessment of electric vehicle drive half shafts.