Tuofeng TFW-300S Microcomputer-Controlled Electromechanical Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TFW-300S |
| Instrument Type | Electromechanical Universal Testing Machine |
| Accuracy Class | 0.5 |
| Effective Force Range | 0.2%–100% of Full Scale |
| Load Measurement Accuracy | ±0.005% of reading |
| Force Resolution | 1/±500,000 full-scale codes (no range switching, constant resolution) |
| Drive System | Imported servo motor with worm gear reducer |
| Lead Screw | High-precision preloaded ball screw |
| Effective Test Width | 600 mm (customizable) |
| Maximum 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 sensor (±0.005% accuracy) |
| Safety Protection | Electronic limit switches, emergency stop, overload protection (10% above capacity), dual-speed motorized crosshead control |
| Return Function | Automatic high-speed return post-test |
| Power Supply | 220 V AC, 1.5 kW |
| Approx. Weight | 800 kg |
| Compliance | GB/T 16491–2008, JJG 475–2008, ASTM E4, ASTM E8, ISO 6892-1, ISO 7500-1, DIN 51221, JIS Z2241 |
Overview
The Tuofeng TFW-300S Microcomputer-Controlled Electromechanical Universal Testing Machine is a precision-engineered force measurement platform designed for static mechanical property evaluation of metallic, polymeric, composite, and ceramic materials. Based on closed-loop electromechanical actuation and high-fidelity load/displacement transduction, the system operates under controlled displacement, load, or strain rate modes to deliver repeatable, traceable, and standards-compliant test results. Its modular architecture supports tensile, compression, flexural, shear, peel, tear, and puncture testing—enabling full characterization of yield behavior, ultimate strength, modulus, ductility, and fracture resistance. The machine meets the metrological and functional requirements of GB/T 16491–2008 (Chinese national standard for universal testing machines) and JJG 475–2008 (verification regulation), while maintaining full compatibility with internationally recognized test protocols including ASTM E4 (load verification), ASTM E8/E21 (tensile testing of metals), ISO 6892-1 (metallic materials – tensile testing), ISO 7500-1 (static calibration of force-proving instruments), and DIN 51221 (testing machine classification).
Key Features
- 0.5-class accuracy per ISO 7500-1 and GB/T 16491–2008, verified across the full dynamic range (0.2%–100% of 300 kN capacity)
- Constant-resolution force measurement at 1 part in ±500,000 full-scale codes—eliminating range-switching artifacts and ensuring linearity from sub-newton to maximum load
- Imported high-torque servo motor coupled with self-locking worm-gear reduction and preloaded recirculating ball screw for smooth, backlash-free motion control
- Dual-speed crosshead actuation (fast positioning + fine adjustment) with programmable return-to-start functionality
- Integrated electronic limit switches, hardware-based emergency stop circuitry, and automatic overload cutoff at 110% of rated capacity
- Modular extensometry support: compatible with clip-on axial extensometers (for modulus/yield determination) and non-contact video extensometers or large-deformation sensors (for elongation tracking beyond 50%)
- Thermally stable cast-iron base frame and rigid column assembly minimize deflection and ensure long-term geometric integrity under cyclic loading
Sample Compatibility & Compliance
The TFW-300S accommodates specimens ranging from miniature coupons (e.g., ASTM E8M subsize bars) to structural profiles (up to 600 mm wide × 800 mm stroke). Standard fixtures include wedge-action tensile grips, compression platens, three- and four-point bend assemblies, and shear adapters; custom tooling is available per ASTM D1002, ISO 4587, or customer-specified geometry. All mechanical and software functions comply with regulatory documentation requirements for GLP and GMP environments: audit trails record operator ID, timestamp, parameter changes, and calibration events; data files are stored in vendor-neutral formats (CSV, XML) with embedded metadata for traceability. The system satisfies the essential performance criteria of FDA 21 CFR Part 11 when configured with user authentication, electronic signatures, and immutable data logging.
Software & Data Management
The Windows-based control and analysis suite (compatible with Windows 10/11 x64) provides multi-mode test sequencing—including displacement-controlled ramp, load-controlled hold, strain-rate-controlled creep, and cyclic fatigue protocols. Real-time visualization includes synchronized plots of load vs. time, load vs. displacement, stress vs. strain, and extension vs. time—with on-the-fly axis scaling and curve overlay. Units for force (N, kN, lbf), displacement (mm, in), and stress (MPa, psi) are fully configurable. Automated calculations generate standardized outputs: tensile strength (Rm), yield strength (Rp0.2), Young’s modulus (E), elongation at break (A50), reduction in area (Z), compressive yield (σcy), and flexural modulus (Ef). Batch reporting supports statistical summary (mean, SD, min/max) across up to 99 specimens per run. Data export adheres to ASTM E1434 and ISO/IEC 17025 requirements for raw-data preservation and third-party reanalysis.
Applications
- Mechanical qualification of aerospace alloys (Ti-6Al-4V, AA7075-T6) per AMS and NADCAP requirements
- Quality control of cold-formed fasteners, welded joints, and powder metallurgy compacts in automotive supply chains
- Conformance testing of construction-grade rebar, prestressed concrete tendons, and structural steel per GB/T 1499, ASTM A615, and EN 10080
- R&D of high-entropy alloys, shape-memory metals, and metal-matrix composites under quasi-static loading
- Validation of additive manufacturing process parameters through post-build tensile and compression benchmarking
- Calibration transfer between reference laboratories and production-floor testers via certified reference specimens
FAQ
What international standards does the TFW-300S directly support?
The system is factory-validated against GB/T 16491–2008, JJG 475–2008, ISO 7500-1, ASTM E4, and ISO 6892-1. Test methods for specific materials (e.g., ASTM E8, ISO 6892-2, ASTM D695) are implemented via software configuration.
Can the system be integrated into an existing LIMS or MES environment?
Yes—the software exposes OPC UA and TCP/IP interfaces for bidirectional communication with laboratory information management systems. Raw data streams and summary reports can be pushed automatically using configurable JSON or XML schemas.
Is third-party calibration certification included with delivery?
Each unit ships with a NIST-traceable factory calibration certificate covering load cell, encoder, and extensometer channels. On-site verification by accredited metrology labs (ISO/IEC 17025) is available as an optional service.
What is the warranty coverage and service response protocol?
Tuofeng provides a 24-month comprehensive warranty covering parts, labor, and software updates. Priority technical support is delivered remotely within 4 business hours; on-site engineer dispatch is scheduled within 72 hours for critical failures under extended service agreements.
Does the system meet requirements for regulated pharmaceutical or medical device testing?
When deployed with validated software modules, electronic signature workflows, and 21 CFR Part 11-compliant audit trails, the TFW-300S supports mechanical testing of implantable devices (ASTM F2129), packaging components (ASTM D4169), and excipient compaction (USP <1042>) under GxP frameworks.
