Tuofeng TFW-182 Microcomputer-Controlled Electronic Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Electronic Universal Testing Machine |
| Model | TFW-182 |
| Compliance | GB/T 16491-2008, JJG 475-2008, ASTM E4, ISO 7500-1, DIN 51221, JIS B 7721 |
| Max Test Load | 182 kN (customizable from 5 kN to 200 kN) |
| Accuracy Class | 0.5 |
| Effective Force Range | 0.2–100% of full scale |
| Force Measurement Uncertainty | ±0.005% of reading |
| Resolution | 1 part in ±500,000 full-scale codes (single-range, no auto-ranging) |
| Drive System | Imported servo motor + precision worm-gear reducer |
| Lead Screw | High-precision preloaded ball screw |
| Effective Test Width | 600 mm (expandable) |
| Stroke | 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 (contact or non-contact), accuracy ±0.005% of reading |
| Safety Protection | Dual electronic limit switches, emergency stop button, overload protection (>110% FS), automatic return after test |
| Crosshead Control | Dual-speed (fast/slow) motorized adjustment with jog function |
| Software | Windows-based, multi-language (EN/CN/TC), compliant with FDA 21 CFR Part 11 audit trail requirements (optional configuration), GLP/GMP-ready data logging |
Overview
The Tuofeng TFW-182 Microcomputer-Controlled Electronic Universal Testing Machine is a high-precision static mechanical testing system engineered for quantitative evaluation of tensile, compressive, flexural, shear, tear, peel, and puncture properties of metallic, polymeric, composite, ceramic, and elastomeric materials. Based on the fundamental principles of axial force application and displacement-controlled actuation, the system employs a rigid dual-column frame architecture, preloaded ball-screw transmission, and closed-loop servo control to ensure mechanical stability, thermal drift minimization, and long-term repeatability. Designed in strict accordance with GB/T 16491-2008 and JJG 475-2008 national metrological verification regulations—and fully compatible with international standards including ASTM E4 (load verification), ISO 7500-1 (static calibration), DIN 51221 (testing machine classification), and JIS B 7721—the TFW-182 delivers traceable, auditable, and inter-laboratory comparable mechanical property data essential for R&D validation, QC release, and regulatory submissions.
Key Features
- 0.5-class accuracy certified per GB/T 16491-2008, with force measurement uncertainty ≤ ±0.005% of reading across the full 0.2–100% FS range
- Single-range, high-resolution load cell system (1:500,000 internal resolution) eliminating range-switching artifacts and ensuring consistent sensitivity at low and high loads
- Precision preloaded ball screw drive coupled with imported servo motor and worm-gear reduction—delivering smooth, noise-free motion and zero backlash under dynamic loading conditions
- Dual-mode crosshead positioning: rapid coarse adjustment (up to 300 mm/min) and fine incremental jog control for precise specimen alignment and preload establishment
- Integrated safety architecture: triple-redundant protection including programmable electronic limits, hardware emergency stop circuitry, and automatic overload cutoff at 110% of rated capacity
- Modular extensometry support: seamless integration of clip-on axial extensometers (for modulus and yield determination) or non-contact video extensometers (for brittle or high-temperature applications)
Sample Compatibility & Compliance
The TFW-182 accommodates specimens ranging from thin films (<0.1 mm thickness) to structural steel coupons (up to 60 mm diameter), enabled by customizable jaw geometries (pneumatic, wedge, hydraulic, or vise-type), environmental chamber interfaces (−70°C to +300°C), and auxiliary fixtures for ASTM D638, ISO 527, ASTM D790, ISO 178, ASTM D1876 (T-peel), ASTM D624 (tear), and ISO 1133 (melt flow index correlation). All mechanical and software functions comply with ISO/IEC 17025 requirements for testing laboratories. Optional configurations meet FDA 21 CFR Part 11 criteria—including electronic signatures, audit trail logging, user access levels, and data integrity safeguards—making the system suitable for GxP-regulated environments in pharmaceutical excipient characterization, medical device material validation, and biocompatibility testing.
Software & Data Management
Tuofeng’s proprietary TESTMaster™ software (v5.2+) operates natively on Windows 10/11 and supports seven language interfaces without reinstallation. It enables full protocol definition—including ramp-hold-relax, cyclic loading, creep, and stress relaxation sequences—with real-time switching among force-time, stress-strain, displacement-time, and strain-rate plots. All raw data streams (load, displacement, extensometer output) are captured at ≥1 kHz sampling rate and stored in encrypted, timestamped .tdf binary files compliant with ASTM E1434 archival standards. Reporting modules generate PDF/Excel outputs with embedded metadata (operator ID, calibration certificate ID, environmental conditions), statistical summaries (mean, SD, CV%), and comparative overlay of up to 32 curves. Data export conforms to ASTM E1395 and ISO 10360-7 for third-party LIMS integration.
Applications
The TFW-182 serves as a primary mechanical characterization platform across multiple sectors: aerospace (titanium alloy tensile ductility mapping per AMS 2304), automotive (composite crash-energy absorption per SAE J2900), biomedical (suture tensile strength per USP ), construction (rebar yield plateau analysis per ASTM A615), and additive manufacturing (LPBF Inconel 718 anisotropy assessment). Its versatility extends to quality assurance in wire & cable (IEC 60811 pull-out force), rubber vulcanization optimization (ASTM D412 modulus tracking), and powder metallurgy green strength screening (ISO 2740 compression).
FAQ
Does the TFW-182 support ASTM E23 for Charpy impact calibration verification?
No—this is a static universal testing machine; impact testing requires pendulum or drop-weight systems per ASTM E23/E229.
Can the system be retrofitted with a high-temperature furnace?
Yes—optional split-type furnaces (up to 1200°C) with integrated thermocouple feedback and strain compensation algorithms are available under model suffix “-HT”.
Is test method scripting supported?
Yes—TESTMaster™ includes a built-in macro language (TSL) enabling automated multi-step protocols, conditional branching, and pass/fail logic based on real-time parameter thresholds.
What is the recommended recalibration interval?
Per ISO/IEC 17025, annual force and displacement system recalibration is advised; however, daily verification using NIST-traceable reference load cells and gauge blocks is required before critical testing.
Does the software provide raw data export in ASCII format for MATLAB or Python analysis?
Yes—CSV and XML exports include header metadata, sampling timestamps, and unit definitions, fully compatible with Pandas, NumPy, and SciPy workflows.
