Tuofeng TFW-30 Servo-Controlled Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Electromechanical Universal Testing Machine |
| Model | TFW-30 |
| Max Test Load | 30 kN |
| Accuracy Class | ISO 7500-1 / ASTM E4 Class 0.5 |
| Effective Force Range | 0.2–100% of Full Scale |
| Force Measurement Accuracy | ±0.005% of reading |
| Resolution | 1 part in ±500,000 full-scale codes (single-range, no auto-ranging) |
| Drive System | Imported AC servo motor with precision worm gear reducer |
| Lead Screw | High-precision preloaded ball screw |
| Effective Test Width | 400 mm (customizable up to 600 mm) |
| Vertical Travel | 800 mm (extendable) |
| Speed Range | 0.001–500 mm/min (infinitely variable, closed-loop controlled) |
| Displacement Measurement | Optical encoder, accuracy ±0.005% of reading |
| Strain Measurement | Optional extensometer or large-deformation sensor, accuracy ±0.005% of reading |
| Safety Protection | Dual electronic limit switches, emergency stop button, overload protection (110% FS), software-based load/position interlock |
| Crosshead Control | Dual-speed motorized lift/descent with jog and auto-return functions |
| Power Supply | 220 V AC, 1.0 kW |
| Approx. Weight | 450 kg |
| Compliance | GB/T 16491–2008, JJG 475–2008, ASTM E4, ASTM E8, ISO 6892-1, ISO 178, ISO 148, DIN 50125, JIS Z 2241 |
Overview
The Tuofeng TFW-30 Servo-Controlled Universal Testing Machine is a high-precision electromechanical system engineered for static mechanical property characterization of metallic, polymeric, ceramic, composite, and elastomeric materials. Based on closed-loop servo control architecture and compliant with ISO 7500-1 Class 0.5 force calibration standards, the machine delivers traceable, reproducible force–displacement–strain data under uniaxial loading conditions. Its dual-column rigid frame—constructed from high-tensile steel with optimized damping geometry—minimizes lateral deflection and ensures axial alignment stability across the full stroke range. The system operates on fundamental principles of Hookean elasticity, plastic yield transition, and fracture mechanics, enabling quantitative evaluation of material behavior from initial linear response through post-yield deformation to ultimate failure. Designed for integration into ISO/IEC 17025-accredited laboratories and GMP-compliant manufacturing QA environments, the TFW-30 supports both routine quality verification and advanced research-grade mechanical testing protocols.
Key Features
- Rigid dual-column structural frame with vibration-damped base and reinforced crosshead assembly for minimal compliance (<0.15 mm/kN under full load)
- Imported AC servo motor coupled with self-locking worm gear reducer and preloaded recirculating ball screw—ensuring smooth, backlash-free motion and long-term positional repeatability
- Single-range, high-resolution force transducer (1:500,000 internal resolution) calibrated per ISO 376 Annex B; no range switching required across entire 0.2–100% FS operating window
- Real-time closed-loop control of load, displacement, strain, or stress rate via PID-regulated feedback—supporting ASTM E2309-compliant control modes including constant-rate, hold, ramp-hold, and cyclic sequences
- Dual-speed motorized crosshead with programmable jog function and automatic return-to-start upon test completion—reducing operator intervention and cycle time variability
- Integrated safety architecture: hardware-based emergency stop, dual independent electronic limit switches, mechanical overload clutch, and software-enforced parameter boundaries
- Modular fixture interface compatible with standardized wedge-action grips, compression platens, bend fixtures, shear adapters, peel jigs, and custom tooling per ASTM D638, D790, D143, D624, and ISO 179 specifications
Sample Compatibility & Compliance
The TFW-30 accommodates specimens ranging from miniature metallic wires (Ø0.1 mm) to structural polymer composites (up to 600 mm wide × 25 mm thick). Its configurable test width (standard 400 mm, extendable to 600 mm) and vertical travel (800 mm, extendable) support tensile bars, sheet coupons, molded plaques, extruded profiles, and assembled components. All mechanical and metrological performance parameters comply with national and international regulatory frameworks: GB/T 16491–2008 (Chinese standard for UTM design and verification), JJG 475–2008 (metrological verification procedure), ASTM E4 (force verification), ASTM E8/E21 (tensile testing of metals), ISO 6892-1 (metallic materials tensile testing at ambient temperature), ISO 178 (flexural properties of plastics), and ISO 527-2 (tensile properties of plastic films). Calibration certificates are issued with NIST-traceable reference standards and include uncertainty budgets per ISO/IEC 17025 requirements.
Software & Data Management
The Windows-based control and analysis software (v5.2, English/Chinese/Spanish/French language support) provides full audit trail functionality compliant with FDA 21 CFR Part 11 and EU Annex 11 requirements—including user authentication, electronic signatures, version-controlled method templates, and immutable raw data logging. Real-time plotting includes synchronized force–time, force–displacement, stress–strain, displacement–time, and extension–time curves. Post-test analysis modules calculate tensile strength, yield strength (0.2% offset), Young’s modulus, elongation at break, reduction in area, compressive strength, flexural modulus, Poisson’s ratio, and tear/peel adhesion values per input geometry. Data export supports CSV, XML, PDF report generation, and direct integration with LIMS via ODBC. Raw test files (.tdf) retain all acquisition metadata (sampling rate, filter settings, calibration IDs, operator ID, timestamp), ensuring full traceability during GLP/GMP audits.
Applications
The TFW-30 serves as a primary mechanical characterization platform across regulated and R&D-intensive sectors. In aerospace manufacturing, it validates tensile ductility and fatigue precursor behavior of aluminum alloys (e.g., 7075-T6) and carbon-fiber prepregs per AMS 2750 and ASTM D3039. In medical device QA, it verifies burst pressure resistance of balloon catheters (ISO 10555-1) and suture tensile strength (ISO 10993-12). Automotive Tier-1 suppliers use it for rubber compound hardness–modulus correlation (ASTM D412), while battery material labs quantify electrode coating adhesion (180° peel per ASTM D903). Academic researchers apply it to hydrogel viscoelastic modeling, wood–polymer composite interfacial shear strength, and additive-manufactured lattice structure collapse analysis. Its modular design allows seamless transition between ASTM-standardized qualification tests and non-standard protocol development.
FAQ
Does the TFW-30 support ASTM E2309-compliant closed-loop strain control?
Yes—the system integrates optional clip-on or video extensometers with real-time feedback to maintain target strain rates within ±0.5% tolerance across the full speed range.
Can test methods be locked to prevent unauthorized modification?
Yes—administrator-mode method templates enforce read-only access for operators; all changes require dual-signature approval and generate immutable audit entries.
Is third-party calibration certification available?
Yes—factory calibration includes ISO/IEC 17025-accredited certificate with measurement uncertainty, valid for 12 months; on-site recalibration services are offered globally.
What is the warranty coverage and service response time?
Tuofeng provides 24-month comprehensive warranty covering parts, labor, and software updates; priority technical support responds within 4 business hours for critical issues.
Are custom fixtures designed in-house or outsourced?
All fixtures are engineered and validated in Tuofeng’s Shanghai R&D center using FEA-simulated load-path analysis and prototype-tested per ASTM E1012 guidelines.
