Tuofeng TFW-243 Dual-Column Electromechanical Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TFW-243 |
| Instrument Type | Electromechanical Universal Testing Machine |
| Accuracy Class | 0.5 |
| Effective Force Range | 0.2–100% of Full Scale |
| Force Measurement Accuracy | ±0.005% of Reading |
| Load Cell Resolution | 1 part in ±500,000 full-scale codes (no range switching, constant resolution) |
| Drive System | Imported Servo Motor with Worm Gear Reducer |
| Lead Screw | High-Precision Ball Screw |
| Effective Test Width | 400 mm (customizable up to 600 mm) |
| 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 | Optional Extensometer or Large-Deformation Clip-on Gauge |
| Strain Accuracy | ±0.005% of Reading |
| Safety Protection | Electronic Limit Switches, Emergency Stop Button, Overload Protection (10% above rated capacity) |
| Crosshead Control | Dual-speed (fast/slow) motorized lift with jog function |
| Return Function | Automatic or manual high-speed return to initial position |
| Fixture Customization | Application-specific grips and tooling available |
| Power Supply | 220 V AC, 750 W |
| Dimensions (W×D×H) | 780 × 560 × 1700 mm |
| Approx. Weight | 280 kg |
| Compliance | GB/T 16491–2008, JJG 475–2008, ASTM E4, ASTM E8, ISO 6892-1, ISO 7500-1, DIN 51221, JIS Z2241, BS EN 10002-1 |
Overview
The Tuofeng TFW-243 Dual-Column Electromechanical Universal Testing Machine is a precision-engineered force measurement system designed for static mechanical characterization of metallic, polymeric, ceramic, composite, and elastomeric materials. Based on the fundamental principles of uniaxial load application and displacement-controlled actuation, the system applies controlled tensile, compressive, flexural, shear, tear, peel, and puncture loads to specimens while synchronously acquiring force, displacement, and—when equipped—strain data. Its dual-column rigid frame architecture ensures minimal deflection under load, enabling high reproducibility in modulus, strength, and ductility measurements across wide dynamic ranges. The machine operates in closed-loop servo control, where real-time feedback from high-resolution load cells and optical encoders maintains fidelity in both rate-dependent (e.g., creep, stress relaxation) and rate-independent (e.g., yield point, ultimate tensile strength) testing protocols.
Key Features
- Rigid dual-column steel frame with reinforced base and crosshead—engineered for axial stiffness > 250 kN/mm to minimize frame compliance during high-load testing.
- 0.5-class accuracy per ISO 7500-1 and GB/T 16491–2008, verified via traceable calibration certificates compliant with ISO/IEC 17025 requirements.
- High-resolution force transduction: ±0.005% reading accuracy over 0.2–100% of full scale, with 500,000-count A/D resolution and no internal range switching.
- Imported servo motor coupled to a backlash-free worm gear reducer and preloaded ball screw—delivering smooth, low-noise motion across the full speed range (0.001–500 mm/min).
- Dual-mode crosshead control: programmable fast/slow lifting with jog capability for precise specimen alignment and rapid repositioning.
- Comprehensive safety architecture including electronic travel limits, hardware emergency stop circuitry, and automatic overload cutoff at 110% of rated capacity.
- Modular extensometry support: compatibility with clip-on axial extensometers (for modulus and yield determination) and large-deformation gauges (for elongation-at-break in soft materials).
Sample Compatibility & Compliance
The TFW-243 accommodates specimens ranging from thin films (<0.1 mm thick) to structural metal coupons (up to 40 mm thick), enabled by adjustable test width (standard 400 mm, extendable to 600 mm) and 800 mm vertical stroke. Standard fixtures include wedge-action tensile grips, compression platens, three-point bend fixtures, and peel test assemblies; custom tooling is fabricated per ASTM D638, ISO 527, ASTM D790, ISO 178, ASTM D624, ISO 37, ASTM D903, and ISO 8510-2 specifications. Regulatory alignment includes full adherence to GB/T 16491–2008 (Chinese national standard for UTM design), JJG 475–2008 (verification regulation), and international metrological frameworks—supporting GLP/GMP audit readiness through documented calibration intervals, uncertainty budgets, and traceability to NIM (National Institute of Metrology, China) or NIST-traceable standards.
Software & Data Management
The Windows-based Tuofeng TestSuite software provides ISO 17025-aligned data acquisition and reporting. It supports multi-mode control—including constant-rate, constant-load, constant-strain, dwell, and cyclic loading sequences—with real-time switching between force–time, force–displacement, stress–strain, and strain–time plots. All curves are overlaid with digital cursors for manual measurement of offset yield, proportional limit, and fracture energy. Units are freely convertible (N/kN/lbf, mm/in, MPa/psi), and language toggles include Simplified Chinese, Traditional Chinese, and English—configured without reinstalling. Raw data exports to CSV, Excel, and XML formats; reports comply with ASTM E2309 requirements for test documentation. Audit trail functionality logs all user actions, parameter changes, and calibration events—meeting FDA 21 CFR Part 11 electronic record integrity criteria when configured with digital signature modules.
Applications
This system serves as a primary mechanical characterization platform in R&D laboratories and QC environments across aerospace (e.g., titanium alloy tensile verification per AMS 2300), automotive (polymer composite flexural testing per SAE J2231), medical device manufacturing (suture tensile strength per ISO 10993-12), construction materials (concrete cylinder compression per ASTM C39), and battery component development (separator puncture resistance per UL 2580). Its versatility extends to wire-and-cable qualification (ASTM D1505), rubber vulcanizate evaluation (ISO 37), and additive manufacturing post-process validation (ASTM F3049).
FAQ
What international standards does the TFW-243 support out-of-the-box?
It natively implements test methods per ASTM E4 (load verification), ASTM E8/E21 (tension/compression of metals), ISO 6892-1 (metallic materials tensile testing), ISO 7500-1 (static calibration), and GB/T 228.1–2021—with additional method templates available via firmware update.
Can the system be integrated into an existing LIMS or MES environment?
Yes—via TCP/IP API and OPC UA interface modules (optional), enabling bidirectional data exchange with LabWare, Thermo Fisher SampleManager, or Siemens Opcenter.
Is third-party calibration certification included with delivery?
Each unit ships with a factory calibration certificate traceable to China’s NIM, accompanied by uncertainty statements per ISO/IEC 17025. On-site UKAS or DAkkS-accredited calibration is available upon request.
What is the warranty coverage and service response time?
Standard warranty: 24 months parts and labor. Priority technical support includes remote diagnostics within 2 business hours and on-site engineer dispatch within 3–5 working days globally.
Does the software meet FDA 21 CFR Part 11 requirements for electronic records?
Yes—when deployed with optional 21 CFR Part 11 Add-on Pack, it provides role-based access control, electronic signatures, audit trail export, and secure electronic record archiving compliant with FDA guidance documents.
