Tuofeng TFW-314 Intelligent Electromechanical Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Electromechanical Universal Testing Machine |
| Model | TFW-314 |
| Load Capacity Range | 0.02 N to 300 kN |
| Load Accuracy | ±0.5% |
| Force Resolution | 1 part in 500,000 full-scale (fixed resolution, no range switching) |
| Speed Range | 0.001–500 mm/min (infinitely variable) |
| Displacement Accuracy | ±0.005% of reading |
| Strain Measurement | Optional extensometer or large-deformation sensor |
| Test Width | Up to 600 mm (customizable) |
| Vertical Travel | Up to 800 mm (customizable) |
| Control System | Windows-based software with multi-language support (English, Simplified/Traditional Chinese) |
| Compliance | GB/T 16491-2008, JJG 475-2008, ASTM E4, ISO 7500-1, DIN 51221, JIS B 7721 |
Overview
The Tuofeng TFW-314 Intelligent Electromechanical Universal Testing Machine is a high-precision static mechanical testing system engineered for standardized tensile, compression, flexure, shear, peel, tear, and puncture evaluations of metallic, polymeric, composite, ceramic, and elastomeric materials. It operates on the principle of controlled displacement and force feedback via a closed-loop servo-controlled electromechanical actuation system—comprising a high-torque imported servo motor, precision planetary gear reducer, and preloaded recirculating ball screw assembly—to ensure consistent loading rates and minimal mechanical hysteresis. Designed for compliance with international metrological and performance standards—including ISO 7500-1 Class 0.5, ASTM E4, and GB/T 16491-2008—the TFW-314 delivers traceable, repeatable, and auditable mechanical property data essential for R&D validation, quality control, and regulatory submission workflows.
Key Features
- Full-scale load capacity from 0.02 N to 300 kN across configurable frame variants (TFW-05S through TFW-200S), enabling scalable deployment from micro-specimen characterization to structural component verification.
- Fixed-resolution force measurement at 1 part in 500,000 full scale, eliminating range-switching artifacts and ensuring linearity across 0.2%–100% of maximum capacity.
- Dual-speed automatic crosshead positioning (fast/slow modes) with jog functionality and programmable return-to-start behavior post-test.
- Integrated safety architecture: electronic travel limits, emergency stop circuitry, overload protection (110% F.S. cutoff), and real-time torque monitoring.
- Modular extensometry support—including clip-on axial extensometers and non-contact video-based strain systems—for high-fidelity deformation tracking compliant with ASTM E83 and ISO 9513.
- High-rigidity cast-iron base and reinforced column structure, minimizing frame deflection and enhancing measurement fidelity under dynamic or creep-loading conditions.
Sample Compatibility & Compliance
The TFW-314 accommodates specimens ranging from thin films (<0.1 mm) to structural beams (up to 600 mm wide × 800 mm height), with customizable grips (pneumatic, wedge, hydraulic, or custom-designed), environmental chambers (-70°C to +300°C), and accessories for ASTM D638, ISO 527, EN 10002, GB/T 228.1, ASTM D790, ISO 178, ASTM D1876 (T-peel), and ASTM D624 (tear). All hardware and firmware configurations meet calibration traceability requirements per JJG 475-2008 and are compatible with GLP/GMP audit trails when paired with optional 21 CFR Part 11-compliant software modules. Mechanical verification reports include uncertainty budgets aligned with ISO/IEC 17025 principles.
Software & Data Management
The embedded Windows-based testing platform supports seven control modes: constant rate of extension (CRE), constant rate of loading (CRL), constant stress, constant strain, hold (load/position/time), cyclic loading, and user-defined ramp-hold sequences. Real-time plotting includes force–time, force–displacement, stress–strain, displacement–time, and dual-extensometer comparisons. Units are freely convertible between SI, imperial, and legacy systems (e.g., kgf, lbf, MPa, psi). Data export conforms to ASTM E1434 (ASCII tab-delimited) and ISO 10360-5 (XML schema) formats. Built-in statistical tools compute mean, min/max, coefficient of variation, and confidence intervals across batched tests. Audit logs record operator ID, timestamp, parameter changes, and calibration events—retained for ≥10 years with optional encrypted archival.
Applications
The TFW-314 serves as a core instrumentation platform across vertically regulated sectors: aerospace (fastener shear, composite laminate interlaminar shear), automotive (seatbelt webbing elongation, battery module crush resistance), medical devices (stent radial strength, suture tensile integrity), construction (rebar yield analysis, concrete prism compression), and advanced manufacturing (powder metallurgy green strength, additive-manufactured lattice fatigue precursors). Its modular architecture enables integration into automated test cells via Ethernet/IP or Modbus TCP protocols, supporting Industry 4.0-ready material qualification pipelines.
FAQ
What standards does the TFW-314 comply with for force calibration and verification?
It meets ISO 7500-1 Class 0.5 accuracy requirements, JJG 475-2008 national verification regulation, and ASTM E4 verification procedures for universal testing machines.
Can the system perform creep or stress-relaxation tests?
Yes—using the hold mode with programmable duration and real-time drift compensation, validated per ASTM D2990 and ISO 899-1.
Is third-party certification available for ISO/IEC 17025 accreditation?
Yes—factory-issued calibration certificates include measurement uncertainty statements and are issued by CNAS-accredited laboratories upon request.
Does the software support automated report generation for regulatory submissions?
Yes—templates conform to FDA eCTD Module 3 formatting conventions and include digital signatures, revision history, and raw-data appendices.
What is the warranty and service coverage for the TFW-314?
Standard 24-month parts-and-labor warranty; extended service contracts include remote diagnostics, annual performance verification, and priority spare-part provisioning.
