Tuofeng TFW-2 Universal Testing Machine for Plastics and Rubber
| Brand | Tuofeng |
|---|---|
| Model | TFW-2 |
| Type | Electromechanical Universal Testing Machine |
| Max. Test Load | 20 kN |
| Accuracy Class | 0.5 |
| Effective Force Range | 0.2–100% of Full Scale |
| Force Measurement Accuracy | ±0.005% of Reading |
| Load Resolution | 1 part in ±500,000 full-scale codes (single-range, constant resolution) |
| Drive System | Imported Servo Motor + Precision Worm Gear Reducer |
| Lead Screw | High-Accuracy Ball Screw |
| Effective Test Width | 600 mm (customizable) |
| 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 Gauge |
| Safety Protection | Electronic Limit Switches, Emergency Stop, Overload Protection (10% above capacity) |
| Crosshead Control | Dual-Speed Automatic Up/Down with Jog Function |
| Return Mode | Auto-return or Manual Fast Return |
| Power Supply | 220 V, 1.0 kW |
| Dimensions (W×D×H) | 1000 × 700 × 2000 mm |
| Weight | ~450 kg |
| Compliance | GB/T 16491–2008, JJG 475–2008, ASTM E4, ASTM D638, ASTM D790, ISO 527, ISO 178, ISO 6892, DIN 53455, JIS K7113, BS EN ISO 10365 |
Overview
The Tuofeng TFW-2 Universal Testing Machine is an electromechanical static testing system engineered for high-precision mechanical property characterization of polymeric, elastomeric, metallic, and composite materials. Based on the fundamental principle of controlled axial force application via servo-driven ball-screw actuation, the system measures load, displacement, and strain to derive standardized mechanical parameters—including tensile strength, yield strength, elongation at break, compressive modulus, flexural strength, tear resistance, peel adhesion, and puncture resistance. Its dual-column rigid frame architecture ensures minimal deflection under load, supporting repeatable measurements across a wide dynamic range (0.2–100% of 20 kN full scale) with certified 0.5-class accuracy per GB/T 16491–2008 and traceable calibration per JJG 475–2008. Designed for integration into QA/QC laboratories and R&D environments, the TFW-2 meets the structural and metrological requirements of international material standards including ASTM, ISO, DIN, JIS, and BS—making it suitable for regulatory-compliant testing in industries subject to GLP, GMP, or ISO/IEC 17025 accreditation.
Key Features
- Rigid dual-column steel frame with reinforced crosshead and base plate for minimal frame compliance and high lateral stability during off-axis loading (e.g., flexure or peel tests)
- Imported high-torque servo motor coupled with precision worm gear reducer and ground ball screw for smooth, low-noise, backlash-free motion control
- Constant-resolution load measurement system (1:500,000 internal ADC) with no range switching—ensuring consistent sensitivity from 40 N to 20 kN
- Optical encoder-based displacement sensing with ±0.005% reading accuracy, independent of load cell drift or thermal effects
- Modular extensometry support: compatibility with clip-on electronic extensometers (for modulus and yield determination) and large-deformation gauges (for rubber elongation >1000%)
- Comprehensive safety architecture: dual-channel electronic limit switches, hardware emergency stop circuit, and programmable overload cutoff at 110% of rated capacity
- Intelligent crosshead control with jog mode, fast/slow speed toggling, and automatic return-to-initial-position function post-test
Sample Compatibility & Compliance
The TFW-2 accommodates specimens ranging from thin polymer films (≥0.05 mm thick) to molded rubber compounds, thermoplastic sheets, fiber-reinforced composites, and metallic foils. Standardized test fixtures—including pneumatic wedge grips, roller grips, compression platens, three-point bend fixtures, peel arms, and puncture probes—are available for ASTM D638 (tensile), ASTM D790 (flexural), ISO 527 (plastics), ISO 178 (rigidity), ASTM D412 (rubber tension), and ISO 37 (vulcanized rubber). All mechanical and software functions comply with national verification regulations (JJG 475–2008) and manufacturing standards (GB/T 16491–2008), while test methodologies align with ISO/IEC 17025 clause 7.2.2 for method validation and uncertainty estimation. For regulated environments, audit trails, user access levels, and electronic signature support can be enabled to meet FDA 21 CFR Part 11 requirements.
Software & Data Management
The Windows-based Tuofeng TestSuite v3.2 provides ISO/IEC 17025-aligned data acquisition and reporting. It supports six real-time control modes: constant rate of extension (CRE), constant rate of loading (CRL), constant stress, constant strain, hold-to-load, and hold-to-strain. During testing, up to four synchronized plots are displayed live—force vs. time, force vs. displacement, stress vs. strain, and displacement vs. time—with automatic scaling and cursor-based point interrogation. The software calculates and exports over 30 derived parameters per test (e.g., Young’s modulus, secant modulus, offset yield, fracture toughness index) using user-defined calculation protocols. Raw data is saved in CSV and proprietary .TFS binary formats; reports are exportable as PDF or XLSX with embedded metadata (operator ID, timestamp, environmental conditions, calibration certificate ID). Multi-test comparison tools enable statistical overlay of up to 16 curves, with automatic generation of mean, min/max, and coefficient-of-variation summaries. All software updates are provided free of charge for the lifetime of the instrument.
Applications
The TFW-2 serves as a primary mechanical testing platform across multiple sectors: in polymer R&D labs for evaluating melt-blend compatibility and filler reinforcement effects; in rubber compound development for optimizing vulcanization profiles and carbon black dispersion; in automotive Tier-1 suppliers for validating hose burst pressure, gasket compression set, and NVH-damping material hysteresis; in medical device manufacturing for verifying tensile integrity of silicone tubing and biodegradable suture filaments; and in construction materials testing for assessing geotextile tensile strength and roofing membrane elongation. Its versatility extends to failure analysis workflows—supporting pre-failure creep holds, post-yield strain-controlled ramping, and cyclic loading protocols when paired with optional digital controller upgrades.
FAQ
What standards does the TFW-2 support out of the box?
ASTM D638, D790, D412, D624, ISO 527, ISO 178, ISO 37, GB/T 1040, GB/T 9341, and EN ISO 527–2 are preconfigured in the software with default test templates, pass/fail criteria, and report layouts.
Can the system be integrated into a LIMS or MES environment?
Yes—via TCP/IP or RS232 serial interface using ASTM WK32214-compliant ASCII command protocol; optional OPC UA server module enables direct SCADA-level integration.
Is calibration documentation included with shipment?
Each unit ships with a factory calibration certificate traceable to CNAS-accredited national standards, covering load cell, encoder, and extensometer channels, valid for 12 months from date of issue.
What is the lead time for custom fixture design?
Standard fixtures ship within 5 business days; non-standard fixtures (e.g., custom jaw geometry or environmental chamber adapters) require 12–18 working days following engineering review and drawing approval.
Does the software support multi-language UI and report generation?
Yes—the interface and exported reports support simultaneous switching among Simplified Chinese, Traditional Chinese, English, German, French, and Japanese without reinstalling.
