Tuofeng TFW-259 Fully Automated Electromechanical Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Model | TFW-259 |
| Type | Electromechanical Universal Testing Machine |
| Max Test Load | 25 kN (customizable from 5–200 kN) |
| Accuracy Class | 0.5 |
| Effective Force Range | 0.2%–100% of full scale |
| Force Measurement Accuracy | ±0.005% of reading |
| Force Resolution | 1/500,000 full-scale codes, dual-range-free, constant throughout stroke |
| Drive System | Imported servo motor with precision worm gear reducer |
| Lead Screw | High-precision preloaded ball screw |
| Effective Test Width | 400 mm (expandable to 600 mm) |
| Stroke | 800 mm (height-adjustable) |
| Speed Range | 0.001–500 mm/min, infinitely variable |
| Displacement Measurement | Optical encoder |
| Displacement Accuracy | ±0.005% of reading |
| Strain Measurement | Optional extensometer (clip-on or video-based) or large-deformation transducer |
| Strain Accuracy | ±0.005% of reading |
| Safety Protection | Electronic limit switches, emergency stop button, overload cutoff (>110% FS), mechanical hard stops |
| Crosshead Control | Dual-speed motorized up/down (fast/slow), programmable return-to-start |
| Overload Protection | Automatic shutdown at >110% of rated capacity |
| Fixture Customization | Application-specific grips and fixtures per ASTM/ISO/GB standards |
| Power Supply | 220 V AC, 1.0 kW |
| Dimensions (W×D×H) | 780 × 680 × 1780 mm |
| Weight | ~450 kg |
| Compliance | GB/T 16491–2008, JJG 475–2008, ASTM E4, ASTM E8, ASTM D638, ISO 6892-1, ISO 178, ISO 148, DIN 50125, JIS Z2241 |
Overview
The Tuofeng TFW-259 Fully Automated Electromechanical Universal Testing Machine is a high-precision, microprocessor-controlled static mechanical testing system engineered for quantitative evaluation of tensile, compressive, flexural, shear, tear, peel, and puncture behavior in metallic, polymeric, composite, ceramic, and elastomeric materials. Based on closed-loop servo-controlled electromechanical actuation, the system applies controlled displacement or load profiles while simultaneously capturing force, displacement, and strain data at sub-millisecond resolution. Its architecture adheres to fundamental principles of uniaxial quasi-static mechanics—compliant with ISO 7500-1 (static calibration), ASTM E4 (force verification), and ISO 5893 (dynamic verification)—ensuring traceable metrological integrity across laboratories operating under GLP, GMP, or ISO/IEC 17025 frameworks.
Key Features
- 0.5-class accuracy certified per GB/T 16491–2008 and JJG 475–2008, validated via third-party calibration certificates with NIST-traceable reference standards.
- High-resolution force transduction: 1/500,000 internal A/D resolution, no range switching required—maintains full fidelity from 0.2% to 100% of selected capacity (e.g., 25 kN).
- Precision ball-screw actuation with backlash-free preloading, coupled to an imported servo drive delivering repeatable speed control from 0.001 to 500 mm/min (±0.1% setpoint deviation).
- Dual-mode crosshead control: programmable fast/slow positioning with jog functionality and auto-return-to-initial-position post-test.
- Integrated safety triad: electronic end-limit detection, hardware emergency stop circuit, and real-time overload cutoff (>110% FS) with automatic power isolation.
- Modular fixture interface compliant with ISO 26203-2 and ASTM E1012—enabling rapid interchange of wedge-action grips, pneumatic clamps, bend fixtures, and peel test jigs.
Sample Compatibility & Compliance
The TFW-259 accommodates specimens ranging from thin polymer films (≥0.05 mm thick) to structural steel coupons (up to 40 mm thickness), with customizable test widths (400–600 mm) and extended vertical travel (800 mm standard, extendable). It supports standardized specimen geometries per ASTM D638 (tensile plastics), ASTM E8/E21 (metals), ISO 527-2 (plastics), ISO 178 (flexure), ISO 148 (impact-ready configurations), and GB/T 228.1 (Chinese metallic tensile standard). All test routines are fully compliant with FDA 21 CFR Part 11 requirements when configured with audit-trail-enabled software (electronic signature, user access tiers, immutable data logs). Calibration and verification procedures align with ISO/IEC 17025 Clause 6.5 and support external accreditation audits.
Software & Data Management
The Windows-based Tuofeng TestSuite v5.2 software provides multi-mode control—including load-controlled, displacement-controlled, strain-controlled, and hold-step protocols—with real-time synchronization of up to four concurrent data channels (load, displacement, extensometer strain, auxiliary analog input). Graphical overlays support comparative analysis of up to 16 curves with statistical reporting (mean, min, max, CV%). Units are configurable per ISO 80000 (N, MPa, mm, %, J/m², etc.), and language localization includes English, Simplified Chinese, Traditional Chinese, German, French, and Japanese. Raw data exports to CSV, XML, and PDF formats; all test files include embedded metadata (operator ID, timestamp, environmental conditions, calibration ID). Software updates are delivered remotely with version-controlled release notes and backward-compatible file handling.
Applications
This system serves as a primary mechanical characterization platform in R&D labs and QC departments across aerospace (composite laminate interlaminar shear, titanium alloy tensile ductility), automotive (rubber bushing compression set, battery separator tensile strength), medical device manufacturing (suture tensile break load, catheter kink resistance), construction materials (rebar yield plateau analysis, geotextile grab tear), and electronics (flex circuit peel adhesion, solder joint shear strength). It is routinely deployed for qualification testing per AS9100, IATF 16949, and ISO 13485 quality management systems.
FAQ
What international standards does the TFW-259 support out-of-the-box?
It natively executes test methods defined in ASTM E8, ASTM D638, ISO 6892-1, ISO 178, ISO 148, DIN 50125, JIS Z2241, and GB/T 228.1—with parameter presets, report templates, and pass/fail logic embedded in software.
Can the system be integrated into an existing LIMS or MES environment?
Yes—via OPC UA or TCP/IP API (RESTful endpoints available upon request), enabling bidirectional data exchange with LabWare, Thermo Fisher SampleManager, or Siemens Opcenter.
Is third-party calibration documentation provided with shipment?
Each unit ships with a factory calibration certificate traceable to CNAS-accredited reference standards, including as-found/as-left data for force, displacement, and strain axes.
What is the warranty coverage and service response time?
Standard 24-month parts-and-labor warranty; on-site technical support within 3 business days in Tier-1 cities across EU, NA, and APAC regions.
Does the software comply with 21 CFR Part 11 for regulated pharmaceutical or biotech use?
Yes—when deployed with optional 21 CFR Part 11 Module (user role management, electronic signatures, audit trail export, and data encryption enabled).
