Tuofeng TFW-50S Microcomputer-Controlled Electromechanical Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TFW-50S |
| Instrument Type | Electromechanical Universal Testing Machine |
| Maximum Test Load | 50 kN (5000 kgf) |
| Accuracy Class | ISO 7500-1 / GB/T 16491 Class 0.5 |
| Effective Force Range | 0.2–100% of full scale |
| Force Measurement Accuracy | ±0.005% of reading |
| Force Resolution | 1 part in ±500,000 of full-scale load (fixed resolution, no range switching) |
| Drive System | Servo motor with precision worm gear reducer |
| Lead Screw | High-precision preloaded ball screw |
| Effective Test Width | 400 mm (customizable) |
| Max. Travel Distance | 800 mm (customizable) |
| Speed Range | 0.005–500 mm/min (optional extended range available) |
| Displacement Measurement | Optical encoder |
| Displacement Accuracy | ±0.005% of reading |
| Strain Measurement | Optional extensometer or large-deformation clip-on gauge |
| Strain Accuracy | ±0.005% of reading |
| Safety Features | Electronic limit switches, emergency stop button |
| Crosshead Control | Dual-speed (fast/slow) motorized adjustment with jog mode |
| Return Function | Automatic or manual high-speed return to initial position |
| Overload Protection | Auto-shutdown at >110% of rated load |
| Fixture Customization | Application-specific grips and fixtures available |
| Dimensions (W×D×H) | 800 × 550 × 1780 mm |
| Power Supply | 220 V AC, 750 W |
| Approx. Weight | 450 kg |
Overview
The Tuofeng TFW-50S Microcomputer-Controlled Electromechanical Universal Testing Machine is a high-precision static mechanical testing system engineered for rigorous tensile, compression, flexural, shear, peel, tear, and adhesion characterization of metallic, polymeric, ceramic, composite, and elastomeric materials. Based on the fundamental principles of electromechanical force transduction and closed-loop servo control, the TFW-50S delivers traceable, repeatable, and compliant mechanical property data across R&D, quality assurance, and production validation environments. Its design conforms to ISO 7500-1:2018 (static calibration of force-proving instruments), GB/T 16491–2008 (Chinese national standard for electronic universal testing machines), and supports full implementation of ASTM E4, ASTM E8/E8M, ISO 6892-1, ISO 178, ISO 148-1, JIS Z 2241, DIN 50125, and other internationally recognized test protocols. The machine operates under deterministic motion control architecture—eliminating hydraulic complexity while maintaining sub-micron positioning stability and <0.01% load linearity over its entire 50 kN capacity.
Key Features
- Class 0.5 force accuracy per ISO 7500-1 and GB/T 16491–2008, verified via third-party calibration certificate traceable to NIM (National Institute of Metrology, China)
- Fixed-resolution force measurement system (1/±500,000 FS) with no auto-ranging—ensuring consistent sensitivity and repeatability across low-load and high-load regimes
- Preloaded high-precision ball screw transmission coupled with low-backlash worm gear reduction for smooth, silent, and wear-resistant crosshead actuation
- Dual-speed motorized crosshead control (jog + fast/slow modes) enabling precise specimen alignment and rapid repositioning without manual intervention
- Integrated electronic limit switches and hardware-based emergency stop circuitry—compliant with IEC 60204-1 safety standards for industrial machinery
- Modular fixture interface supporting standardized wedge-action, pneumatic, hydraulic, and custom-designed grips for flat, round, tubular, and irregular specimens
- Robust structural frame with reinforced base and column assembly—designed to minimize deflection and maintain axial alignment under maximum load
Sample Compatibility & Compliance
The TFW-50S accommodates specimens ranging from thin films (<0.1 mm thickness) to structural metal coupons (up to 40 mm diameter or 50 mm width), including ASTM-standard dog-bone tensile bars, ISO flexural beams, peel test strips, and adhesive lap-shear assemblies. All test configurations are fully compatible with GLP and GMP documentation workflows. Data acquisition meets FDA 21 CFR Part 11 requirements when configured with audit-trail-enabled software (optional). Calibration records, test method templates, and instrument qualification reports (IQ/OQ/PQ) are provided as part of standard delivery. The system supports dual-language SOP execution (English/Chinese) and automatic metadata tagging—including operator ID, environmental conditions (optional sensor integration), and equipment calibration status.
Software & Data Management
The Windows-based Tuofeng TestSuite v3.2 software provides full compliance-ready test automation. It supports six primary control modes: constant rate of extension (CRE), constant rate of loading (CRL), constant stress, constant strain, hold-to-load, and hold-to-displacement. Real-time visualization includes synchronized multi-curve plotting (force–time, force–displacement, stress–strain, displacement–time, and extension–time), with dynamic overlay of up to 12 historical curves for comparative analysis. Software modules automatically compute and report ASTM/ISO-compliant parameters—including tensile strength, yield strength (0.2% offset), Young’s modulus, elongation at break, compressive yield stress, flexural modulus, peel strength, and tear resistance—based on user-defined geometry inputs (cross-sectional area, gauge length). All raw data is stored in open-format CSV and XML files; test reports are exportable as PDF with embedded digital signatures and revision-controlled templates. Firmware and software upgrades are delivered remotely with versioned changelogs and backward-compatible data migration tools.
Applications
The TFW-50S serves as a core instrumentation platform across multiple sectors: aerospace component validation (e.g., titanium alloy fasteners, carbon-fiber laminates), automotive material certification (polymer composites, brake pad friction layers), medical device testing (sutures, catheter tubing, orthopedic implant coatings), packaging R&D (peel strength of laminated pouches, seal integrity of blister packs), and academic materials science laboratories conducting fundamental deformation studies. Its versatility extends to non-standard applications such as cyclic fatigue pre-conditioning, creep testing (with optional load-hold modules), and quasi-static fracture toughness screening (in conjunction with compliance correction algorithms).
FAQ
Does the TFW-50S support ASTM E8 and ISO 6892-1 tensile testing out of the box?
Yes—preconfigured test methods, calibration templates, and reporting formats for both standards are included in the standard software package.
Can the system be integrated into a LIMS or MES environment?
Yes—the software provides ODBC-compliant database connectivity and RESTful API endpoints for bidirectional data exchange with laboratory information management systems.
Is third-party calibration and IQ/OQ documentation available?
Yes—factory-certified calibration (NIST-traceable load cells and encoders) and full qualification documentation are available upon request, with optional on-site IQ/OQ execution by certified engineers.
What is the warranty coverage and service response time?
Tuofeng offers a 24-month parts-and-labor warranty, with remote diagnostics support available 24/7 and on-site service response within 72 business hours in major Asia-Pacific metropolitan areas.
Are high-temperature or environmental chamber options supported?
Yes—the TFW-50S frame and load train are compatible with commercially available temperature chambers (−70 °C to +300 °C) and humidity-controlled enclosures, with feedthrough-rated load cell and extensometer cabling.
