Tuofeng TFW-108 Universal Tensile Testing Machine for Wood-Based Panels
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TFW-108 |
| Instrument Type | Electromechanical Universal Testing Machine |
| Maximum Test Load | 200 kN |
| Force Measurement Range | 1 kg to 200 kN (0.2%–100% of full scale) |
| Force Accuracy | ±0.5% of reading |
| Crosshead Travel | 1000 mm |
| Displacement Resolution | 0.001 mm |
| Control System | PC-based closed-loop servo control |
| Standards Compliance | GB/T 16491–2008, JJG 475–2008, ASTM E4, ASTM D638, ASTM D790, ISO 6892-1, ISO 178, EN 313-3, JIS Z2241, BS EN 10002-1 |
| Load Frame Precision Class | 0.5 |
| Effective Test Width | 600 mm (customizable) |
| Speed Range | 0.001–500 mm/min (infinitely variable) |
| Drive System | Imported servo motor with precision worm-gear reducer |
| Lead Screw | High-accuracy preloaded ball screw |
| Position Feedback | Optical encoder |
| Strain Measurement | Optional extensometer or large-deformation transducer (ASTM E83 Class B-1) |
| Safety Systems | Dual electronic limit switches, emergency stop button, overload protection (>110% FS), automatic return-to-start post-test |
| Software | Multi-language (English/Chinese/Traditional Chinese), compliant with GLP audit trail requirements, supports 21 CFR Part 11 optional modules, real-time multi-curve display (load–time, load–displacement, stress–strain, displacement–time), automated parameter calculation (tensile strength, yield strength, elongation at break, modulus of elasticity, compressive strength, flexural strength, tear strength, peel strength, bond strength), batch comparison, statistical reporting (max/min/mean), export to CSV/PDF/Excel |
Overview
The Tuofeng TFW-108 Universal Tensile Testing Machine is an electromechanical, servo-controlled material testing system engineered for high-reproducibility mechanical characterization of wood-based panels—including plywood, particleboard, medium-density fiberboard (MDF), oriented strand board (OSB), and laminated veneer lumber (LVL)—as well as metals, polymers, composites, and elastomers. Operating on the principle of controlled axial loading via a precision ball-screw-driven crosshead, the system applies uniaxial tensile, compressive, flexural, shear, tear, peel, and puncture forces under programmable displacement or load control. Its rigid C-frame architecture, coupled with a 200 kN load cell calibrated to ISO 7500-1 Class 0.5 accuracy, ensures traceable force measurement across a dynamic range from 1 kg to full-scale 200 kN (0.2–100% FS). Designed in strict conformance with GB/T 16491–2008 and JJG 475–2008 national verification regulations—and fully compatible with international standards such as ASTM D1037 (wood-based panels), ISO 16978 (MDF tensile properties), EN 313-3 (plywood bonding strength), and ASTM D638/D790—this instrument delivers metrologically sound data for R&D validation, quality assurance, and regulatory submissions.
Key Features
- High-stiffness C-frame construction with reinforced base and column assembly, minimizing deflection during high-load compression tests up to 200 kN
- Imported AC servo motor paired with a self-locking worm-gear reducer, enabling precise speed regulation from 0.001 to 500 mm/min without gear shifting
- Preloaded ground ball screw transmission system with <0.005 mm positioning repeatability and zero backlash over extended service life
- Dual-mode displacement feedback: high-resolution optical encoder (0.001 mm resolution) plus optional ASTM E83-compliant extensometer for strain-critical applications
- Integrated safety architecture: dual independent electronic limit switches, hardware-triggered emergency stop circuit, and software-enforced overload cutoff at 110% of rated capacity
- Intelligent crosshead control: fast/slow dual-speed manual jog function, programmable auto-return to preload position, and position memory for repeatable fixture alignment
Sample Compatibility & Compliance
The TFW-108 accommodates specimens ranging from thin veneer strips (≥1 mm thickness) to structural panel sections (up to 600 mm wide × 1000 mm travel height). Standard fixtures include wedge-action tensile grips, compression platens, three-point bending fixtures, and specialized shear/peel adapters per ASTM D904 and EN 319. All test configurations support standardized specimen geometries defined in ISO 3130 (wood moisture content conditioning), ASTM D1037 (panel shear strength), and GB/T 17657 (formaldehyde emission substrate testing). The system meets essential requirements for ISO/IEC 17025-accredited laboratories, including documented calibration traceability to NIM (National Institute of Metrology, China), built-in system diagnostics, and full audit trail capability when configured with optional 21 CFR Part 11–compliant software modules.
Software & Data Management
Tuofeng’s proprietary TESTMaster™ software operates natively on Windows 10/11 and provides full GLP-aligned test lifecycle management. It supports six real-time synchronized curve views (load–time, stress–strain, etc.), automatic calculation of >25 mechanical parameters—including tensile modulus, yield offset (0.2%), ultimate strength, fracture toughness index, and energy absorption—and customizable report templates compliant with ISO 5725 and ASTM E691 interlaboratory precision guidelines. Raw data is stored in encrypted binary format with immutable timestamps; all user actions (method edits, calibration events, result approvals) are logged with operator ID and time stamp. Export options include PDF (with digital signature), CSV (for third-party statistical analysis), and XML (for LIMS integration). Firmware and software updates are delivered remotely with version-controlled release notes and backward-compatible data migration.
Applications
- Mechanical evaluation of bonded wood composites: dry/wet shear strength (EN 313-3), surface bonding integrity (ISO 13969), and internal bond strength (IB) per EN 319
- Structural performance validation of engineered wood products under static and quasi-static loading per ANSI/APA PRG 320 and CSA O80.1
- Quality control of adhesive-cured panels: tensile lap-shear testing (ASTM D1002), peel resistance (ASTM D903), and delamination onset detection
- Comparative analysis of fiber orientation effects on modulus anisotropy in OSB and LVL using directional tensile protocols
- Accelerated aging studies: post-conditioning (65°C/65% RH per ISO 12467) mechanical recovery assessment
- Regulatory compliance testing for CE marking (EN 13986), CARB ATCM Phase II, and EPA TSCA Title VI formaldehyde emission certification substrates
FAQ
What standards does the TFW-108 support for wood-based panel testing?
It fully complies with GB/T 17657, GB/T 1936.2, EN 313-3, EN 319, ISO 16978, ASTM D1037, and ANSI/APA PRG 320, with pre-configured test methods available in software.
Can the system perform cyclic or hold tests?
Yes—TESTMaster™ supports load-controlled hold, displacement-controlled dwell, and programmed step-cycle profiles (e.g., ISO 6892-1 Annex G for tensile hold tests).
Is third-party calibration documentation included?
Each unit ships with a factory calibration certificate traceable to NIM, including as-found/as-left data for load, displacement, and speed axes.
How is data integrity ensured for regulated environments?
Optional 21 CFR Part 11 add-on enables electronic signatures, role-based access control, audit trail encryption, and electronic record retention per ALCOA+ principles.
What maintenance intervals are recommended?
Ball screw lubrication every 6 months; load cell verification annually; full system recalibration recommended biannually or after 10,000 test cycles.
