Tuofeng TFW-280 Microcomputer-Controlled Electromechanical Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Electromechanical Universal Testing Machine |
| Model | TFW-280 |
| Force Capacity | 200 kN |
| Accuracy Class | 0.5 |
| Effective Force Range | 0.2–100% of full scale |
| Load Measurement Accuracy | ±0.005% of reading |
| Resolution | 1 part in ±500,000 full-scale codes (no range switching) |
| Drive System | Imported servo motor with worm gear reducer |
| Lead Screw | High-precision preloaded ball screw |
| Effective Test Width | 600 mm (customizable) |
| Max Travel | 800 mm (extendable) |
| Speed Range | 0.001–500 mm/min (infinitely variable) |
| Displacement Measurement | Optical encoder |
| Displacement Accuracy | ±0.005% of reading |
| Strain Measurement | Extensometer or large-deformation extensometer (optional) |
| Strain Accuracy | ±0.005% of reading |
| Safety Protection | Electronic limit switches, emergency stop, overload protection (>110% FS), dual-speed motorized crosshead control |
| Software | Windows-based, multi-language (EN/CN/TC), ASTM/ISO/GB/JIS/DIN/BS compliant, GLP-ready audit trail support |
Overview
The Tuofeng TFW-280 Microcomputer-Controlled Electromechanical Universal Testing Machine is a high-accuracy, force-controlled static mechanical testing system engineered for precision tensile, compressive, flexural, shear, tear, peel, and puncture evaluation of metallic, polymeric, composite, ceramic, and elastomeric materials. Based on the fundamental principles of axial load application via closed-loop servo control and displacement feedback, the TFW-280 complies with ISO 7500-1:2018 (static calibration of force-proving instruments), ASTM E4 (load verification), and ASTM E8/E8M (tension testing of metallic materials). Its rigid C-frame architecture, coupled with a preloaded ball screw transmission and high-resolution optical encoder, ensures minimal compliance and exceptional repeatability—critical for R&D validation, quality assurance, and regulatory submission workflows in regulated environments.
Key Features
- 0.5-class accuracy per GB/T 16491–2008 and JJG 475–2008, verified traceable to national metrological standards
- Full-scale resolution of 1/±500,000 without internal range switching—maintains consistent sensitivity across 0.2–100% FS
- Dual-speed motorized crosshead with programmable jog and rapid return functionality for efficient specimen setup and post-test recovery
- Integrated electronic overload cutoff (>110% FS), hardware-based emergency stop, and software-configurable soft limits for operational safety
- Modular extensometry support: compatible with clip-on axial extensometers (ASTM E83 Class B-1) and non-contact video extensometers (optional)
- High-torque, low-inertia servo drive system delivering stable velocity control down to 0.001 mm/min—essential for creep and stress-relaxation protocols
Sample Compatibility & Compliance
The TFW-280 accommodates standardized specimens per ASTM D638 (plastics), ASTM D3039 (composites), ISO 6892-1 (metals), ISO 178 (flexural), ISO 1133 (melt flow index correlation), and GB/T 228.1–2021 (metallic tensile). Custom fixtures—including wedge-action grips, pneumatic clamps, compression platens, three/four-point bending assemblies, and peel test jigs—are available to meet application-specific geometry and surface requirements. The system meets mechanical safety requirements per ISO 12100 and electrical safety per IEC 61000-6-2/6-4. All test methods are fully traceable to international standards; raw data logs include timestamped metadata required for GLP/GMP audits and FDA 21 CFR Part 11 compliance when configured with electronic signature and audit trail modules.
Software & Data Management
The embedded Windows-based testing software provides deterministic real-time control over load, displacement, strain, and time-based test profiles—including constant-rate, ramp-hold, cyclic loading, and creep/stress relaxation sequences. It supports multi-language UI (English, Simplified Chinese, Traditional Chinese), customizable unit systems (N/kN/lbf, mm/in, MPa/psi), and dynamic curve overlay for comparative analysis across batches or material grades. All test data—including raw sensor values, calculated metrics (UTS, YS, E-modulus, elongation at break, Poisson’s ratio), and graphical outputs (stress–strain, load–displacement, creep compliance)—are stored in open-format CSV and XML files. Built-in reporting templates comply with ISO/IEC 17025 documentation requirements; optional PDF export includes digital signatures, revision history, and instrument calibration status. Software updates are provided free of charge for the product lifecycle.
Applications
The TFW-280 serves as a primary mechanical characterization platform across industries requiring validated material performance data. In aerospace, it verifies tensile properties of titanium alloys and carbon-fiber laminates per AMS 2750 and NADCAP requirements. In automotive supply chains, it performs ISO 6892-2 tensile tests on high-strength steels and ASTM D412 rubber vulcanizates. For medical device manufacturers, it supports ISO 5832-3 mechanical validation of orthopedic implant alloys and ISO 10993-12 extractables compatibility studies. In construction materials labs, it executes GB/T 5224 prestressed steel strand testing and ASTM C39 concrete cylinder compression. Academic researchers utilize its high-fidelity data acquisition for constitutive modeling, fracture mechanics parameter derivation (e.g., J-integral), and interfacial adhesion quantification in layered composites.
FAQ
What standards does the TFW-280 natively support?
It implements test method logic for ASTM E8/E8M, ISO 6892-1, ISO 178, GB/T 228.1, GB/T 1040, and JIS Z2241—preconfigured test templates reduce operator error and accelerate method qualification.
Can the system be integrated into a LIMS or MES environment?
Yes—via OPC UA or TCP/IP API interfaces, enabling bidirectional data exchange with laboratory information management systems and enterprise manufacturing execution platforms.
Is third-party calibration certification included?
Each unit ships with a factory calibration certificate traceable to CNAS-accredited reference standards; on-site recalibration services and ISO/IEC 17025 accredited certificates are available upon request.
How is data integrity ensured during long-duration tests?
The controller employs non-volatile memory buffering and automatic checkpointing—ensuring zero data loss even during unexpected power interruption or software restart.
What training and technical support options are available?
Tuofeng provides on-site installation commissioning, operator certification workshops, and remote troubleshooting support with guaranteed 4-hour response time for critical issues under standard service agreements.



