Tuofeng TFW-188 Advanced Microcomputer-Controlled Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Model | TFW-188 |
| Type | Electromechanical Universal Testing Machine |
| Load Capacity | 100 kN |
| Accuracy Class | 0.5 |
| Force Measurement Range | 0.2–100% of full scale |
| Force Accuracy | ±0.005% of reading |
| Resolution | 1 part in ±500,000 full-scale codes (single-range, no auto-ranging) |
| Drive System | Imported servo motor with precision worm-gear reducer |
| Lead Screw | High-accuracy preloaded ball screw |
| Effective Test Width | 600 mm (customizable) |
| Maximum Stroke | 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 |
| Strain Accuracy | ±0.005% of reading |
| Safety Protection | Electronic limit switches, emergency stop button, overload protection (10% over capacity), dual-speed motorized crosshead return |
| Software | Multi-language (English, Simplified/Traditional Chinese), compliant with ASTM E4, ISO 7500-1, GB/T 16491-2008, JJG 475-2008, and supports GLP/GMP audit trails per FDA 21 CFR Part 11 requirements |
Overview
The Tuofeng TFW-188 Advanced Microcomputer-Controlled Universal Testing Machine is a high-precision electromechanical system engineered for static mechanical property evaluation of metallic, polymeric, ceramic, composite, and elastomeric materials. Based on the fundamental principles of axial force application and displacement-controlled loading, it operates under closed-loop servo control to deliver repeatable, traceable, and standards-compliant mechanical testing across tension, compression, bending, shear, peel, tear, and puncture configurations. Its modular architecture integrates a rigid dual-column frame, high-resolution force transduction, and sub-micron positional feedback—enabling strict adherence to international test protocols including ASTM E8/E9/E21/E292, ISO 6892-1, ISO 37, ISO 178, ISO 148-1, and GB/T 228.1. Designed for laboratory and industrial quality assurance environments, the TFW-188 meets Class 0.5 accuracy per ISO 7500-1 and complies fully with GB/T 16491-2008 (Chinese national standard for electronic universal testers) and JJG 475-2008 (metrological verification regulation).
Key Features
- High-stiffness, dual-column steel frame with vibration-damped base and precision-machined load train components ensuring minimal deflection during high-load testing.
- Imported industrial-grade servo motor coupled with a self-locking worm-gear reducer and preloaded recirculating ball screw—delivering smooth, backlash-free motion and long-term torque stability.
- Single-range, ultra-high-resolution load cell (1:500,000 internal resolution) with no range switching—guaranteeing consistent sensitivity from 0.2% to 100% of 100 kN full scale.
- Dual-speed motorized crosshead with programmable fast/slow modes and automatic return-to-start functionality post-test.
- Comprehensive safety suite: hardware-based electronic limit switches, front-panel emergency stop, real-time overload cut-off at 110% capacity, and software-enforced operational boundaries.
- Modular fixture interface compatible with standardized wedge-action grips, compression platens, bend fixtures, peel jigs, and custom-designed tooling per ASTM D638, ISO 527, or client-specific geometries.
Sample Compatibility & Compliance
The TFW-188 accommodates specimens ranging from thin polymer films (≥0.05 mm thickness) to structural steel coupons (up to 40 mm thick), accommodating widths up to 600 mm and lengths exceeding 1,200 mm with extended stroke options. It supports standardized specimen geometries per ISO 527-2 (plastics), ASTM E8 (metals), ISO 37 (rubber), and GB/T 1040 (general plastics). All measurement subsystems—including force, displacement, and optional strain—are calibrated and verified per ISO/IEC 17025-accredited procedures. The system satisfies regulatory requirements for GxP environments: audit trail logging, user access controls, electronic signature support, and data integrity compliance aligned with FDA 21 CFR Part 11 and EU Annex 11.
Software & Data Management
Tuofeng TestSuite™ v5.2 is a Windows-based, multi-language platform supporting English, Simplified Chinese, and Traditional Chinese with seamless unit conversion (N/kN/lbf, mm/in, MPa/psi). It provides seven real-time display modes: Load–Time, Load–Displacement, Displacement–Time, Stress–Strain, Load–Extension, and dual-curve overlays. Test parameters—including yield point, ultimate tensile strength, Young’s modulus, elongation at break, compressive yield stress, and peel adhesion energy—are calculated automatically using ASTM- and ISO-defined algorithms. Raw data is stored in encrypted binary format with embedded metadata (operator ID, timestamp, calibration ID, environmental conditions). Reports comply with ISO/IEC 17025 documentation requirements and can be exported to PDF, Excel, or XML. Custom modules—including cyclic loading profiles, creep/stress-relaxation routines, and third-party instrument integration (e.g., thermal chambers)—are supported via open API architecture.
Applications
The TFW-188 serves as a core mechanical characterization platform across diverse sectors: aerospace (composite layup validation per ASTM D3039), automotive (seat belt webbing tensile performance per FMVSS 209), medical device R&D (suture tensile strength per ISO 10555), construction materials (rebar yield verification per ASTM A615), packaging (peel strength of laminated films per ASTM F904), and academic research (nanocomposite fracture mechanics). Its versatility extends to process development tasks such as weld joint qualification, adhesive bond strength mapping, powder metallurgy green-body strength analysis, and rubber vulcanization optimization.
FAQ
What standards does the TFW-188 support out-of-the-box?
It natively implements test methods defined in ASTM E4, ISO 7500-1, GB/T 16491-2008, and JJG 475-2008, with configurable templates for ASTM D638, ISO 527, ISO 178, and EN 13445.
Can the system perform cyclic or fatigue testing?
While primarily designed for static tests, optional waveform generation modules enable controlled sinusoidal, triangular, or trapezoidal loading profiles up to 5 Hz—suitable for low-cycle fatigue screening and creep testing.
Is third-party calibration certification included?
Yes—each unit ships with an ISO/IEC 17025-accredited factory calibration certificate covering force, displacement, and speed channels, valid for 12 months under normal operating conditions.
How is data integrity ensured for regulated industries?
TestSuite™ enforces ALCOA+ principles: attributable, legible, contemporaneous, original, accurate, complete, consistent, enduring, and available—with immutable audit logs, role-based permissions, and 21 CFR Part 11–compliant electronic signatures.
What maintenance intervals are recommended?
Servo drive firmware updates every 6 months; mechanical lubrication of ball screws and gearboxes every 1,000 operating hours; annual recalibration of load cell and encoder systems by authorized service personnel.
