JB-NX1000 Microcomputer-Controlled Servo Fully Automatic Torsion Testing Machine
| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | JB-NX1000 |
| Pricing | Available Upon Request |
Overview
The JB-NX1000 Microcomputer-Controlled Servo Fully Automatic Torsion Testing Machine is a high-precision, horizontal-axis torsional testing system engineered for static mechanical characterization of structural and fastener components. It operates on the principle of controlled angular displacement under applied torque, enabling precise quantification of torsional stiffness, yield behavior, ultimate strength, and plastic deformation characteristics in accordance with fundamental mechanics of materials theory. The system integrates a closed-loop digital servo control architecture—comprising an AC servo motor, precision planetary gearbox, high-resolution rotary encoder, and calibrated torque transducer—to ensure smooth, non-impact loading with minimal hysteresis and thermal drift. Designed for laboratory and quality control environments, the JB-NX1000 delivers repeatable, traceable torsion data compliant with standardized test protocols used across automotive, aerospace, and industrial manufacturing sectors.
Key Features
- Horizontal modular frame design optimized for axial alignment of cylindrical specimens (e.g., drive shafts, half-shafts, bolts, screws, and torsion bars)
- Full-digital AC servo drive system with real-time position and torque feedback for dynamic load control and constant-rate twisting
- High-accuracy torque sensor with linearity ≤ ±0.5% FS and resolution down to 0.01% of full scale
- Dual-channel digital data acquisition at ≥1 kHz sampling rate, supporting simultaneous capture of torque, twist angle, and time
- Integrated Windows-based control software with real-time plotting of torque–angle, torque–time, and angle–time curves
- Automated calculation of critical mechanical parameters: ultimate torque (Tmax), effective torque (Teff), torque coefficient (K), plastic torsion angle (φp), and torsional modulus (G)
- Compliance-ready configuration supporting audit trails, user-level access control, and electronic signature functionality per FDA 21 CFR Part 11 requirements
Sample Compatibility & Compliance
The JB-NX1000 accommodates solid and hollow cylindrical specimens up to 1000 mm in length and 80 mm in maximum diameter, with standard chucks supporting clamping diameters from 3 mm to 40 mm. It supports both fixed-angle and fixed-torque test modes, making it suitable for evaluating thread engagement integrity, bolt preload consistency, and shaft torsional fatigue precursors. The system conforms to mechanical testing standards including GB/T 10128 (Metallic Materials – Torsion Testing), ISO 7800 (Metallic Materials – Determination of Torsional Strength), ASTM F543 (Standard Specification for Metallic Medical Bone Screws), DIN 50153 (Torsion Testing of Metallic Materials), and JIS Z 2241. Calibration documentation follows ISO/IEC 17025 guidelines, and optional third-party certification is available upon request.
Software & Data Management
The proprietary JB-TorsionControl software provides intuitive GUI-based test setup, real-time monitoring, and post-processing capabilities. Users define test profiles—including ramp rates, hold durations, and failure criteria—via parameterized templates. All raw data are stored in encrypted binary format with embedded metadata (operator ID, timestamp, environmental conditions, calibration status). Export options include CSV, PDF, and XML formats compatible with LIMS integration. The software maintains full audit trail logs covering method changes, data modifications, and report generation events—essential for GLP/GMP-regulated laboratories. Optional modules support statistical process control (SPC) charting, batch comparison analysis, and automated pass/fail evaluation against predefined specification limits.
Applications
- Static torsional evaluation of automotive half-shafts, CV joint assemblies, and steering column components
- Mechanical validation of threaded fasteners per ISO 898-1 and ASTM F606
- Quality assurance of orthopedic bone screws and spinal fixation devices
- R&D testing of composite drive shafts and lightweight alloy torsion members
- Verification of torque-tension relationships in preloaded bolted joints
- Educational use in materials science and mechanical engineering laboratories for torsion modulus determination
FAQ
What is the maximum torque capacity of the JB-NX1000?**
The JB-NX1000 is configurable with multiple torque transducer options; standard configurations support up to 1000 N·m, with custom variants available up to 5000 N·m upon technical review.
Does the system support cyclic torsion or only static tests?**
The base configuration is optimized for static torsion testing. Optional waveform generation module enables low-frequency sinusoidal or triangular cyclic torsion protocols up to 5 Hz.
Is calibration documentation included with shipment?**
Yes—each unit ships with a factory calibration certificate traceable to CNAS-accredited standards, along with a full calibration procedure manual and uncertainty budget.
Can test methods be password-protected or locked for production line use?**
Yes—software supports role-based permissions, method locking, and electronic signature enforcement to prevent unauthorized modification during routine QC operations.
What environmental conditions are recommended for optimal performance?**
Operating temperature: 10–35 °C; relative humidity: ≤80% non-condensing; vibration-isolated bench mounting is strongly advised for sub-0.1% accuracy applications.
