Tuofeng TFW-36 Universal Testing Machine
| Brand | Tuofeng |
|---|---|
| Model | TFW-36 |
| Type | Electromechanical Universal Testing Machine |
| Max Test Load | 36 kN (typical configuration within TFW series) |
| Accuracy Class | 0.5 |
| Effective Force Range | 0.2–100% of full scale |
| Force Measurement Accuracy | ±0.005% of reading |
| Load Cell Resolution | 1 part in ±500,000 full-scale codes, single-range, constant resolution |
| Drive System | Imported servo motor with precision worm-gear reducer |
| Lead Screw | High-precision preloaded ball screw |
| Effective Test Width | 400 mm (customizable to 500/600 mm) |
| Vertical Travel | 800 mm (extendable) |
| Speed Range | 0.001–500 mm/min, infinitely variable |
| Displacement Measurement | Optical encoder, accuracy ±0.005% of reading |
| Strain Measurement | Optional extensometer or large-deformation sensor, accuracy ±0.005% of reading |
| Safety Protection | Electronic limit switches, emergency stop, overload cutoff (110% FS), dual-speed motorized crosshead control |
| Software | Windows-based, multilingual (EN/ZH-TR/ZH-S), compliant with ASTM E4, ISO 7500-1, GB/T 16491–2008, JJG 475–2008, supports GLP audit trails and 21 CFR Part 11–ready configuration (optional) |
Overview
The Tuofeng TFW-36 Universal Testing Machine is an electromechanical materials testing system engineered for high-precision static mechanical characterization of metallic, polymeric, ceramic, composite, and elastomeric specimens. Based on the principle of controlled uniaxial force application via a closed-loop servo-driven actuation system, it delivers traceable, repeatable measurements of tensile, compressive, flexural, shear, tear, peel, and puncture behavior under standardized loading conditions. Its rigid dual-column frame, high-stiffness load train, and thermally stable mechanical architecture ensure minimal deflection and long-term calibration stability—critical for R&D validation, quality assurance, and regulatory compliance testing across industrial and academic laboratories.
Key Features
- 0.5-class accuracy per ISO 7500-1 and GB/T 16491–2008, verified by national metrology institutes
- Full-scale force resolution of 1:500,000 without range switching—enabling seamless transition from low-force polymer films to high-load metal coupons
- Precision preloaded ball screw transmission with backlash-free operation and <0.01 mm positioning repeatability
- Imported servo motor coupled with a hardened worm-gear reducer ensures smooth, quiet, and torque-consistent motion across the entire 0.001–500 mm/min speed range
- Dual-mode crosshead control: rapid manual jog for setup and programmable automatic return post-test at maximum safe speed
- Integrated safety suite including electronic end-limit detection, hardware emergency stop circuitry, and real-time overload shutdown (triggered at 110% of rated capacity)
- Modular transducer interface supporting ASTM E83-compliant extensometers and non-contact video strain systems (optional)
Sample Compatibility & Compliance
The TFW-36 accommodates specimens ranging from thin foils (<0.1 mm thickness) to structural bars (up to Ø25 mm diameter), with customizable fixtures for ASTM D638, ISO 527, GB/T 228.1, ASTM C39, ISO 178, ASTM D1876, and ISO 8510-2 test configurations. Its mechanical design conforms to ISO 2041:2018 (testing machine terminology) and meets the essential safety requirements of IEC 61000-6-2/6-4. Calibration documentation includes as-delivered verification reports traceable to NIM (National Institute of Metrology, China) and optional UKAS-accredited certificates. For regulated environments, the system supports 21 CFR Part 11–compliant user access control, electronic signatures, and immutable audit trails when configured with validated software modules.
Software & Data Management
Tuofeng’s proprietary TestMaster Pro software operates natively on Windows 10/11 (64-bit) and provides ISO 17025-aligned test method definition, execution, and reporting. It supports seven real-time display modes—including stress–strain, load–displacement, and load–time—with synchronized dual-curve overlay and differential analysis tools. All raw data streams (load, displacement, extensometer output) are sampled at ≥1 kHz and stored in open-format .csv and binary .tdm files for third-party statistical processing. The software implements role-based user permissions, automated report generation (PDF/Excel), batch test sequencing, and GLP-compliant metadata logging (operator ID, environmental conditions, calibration status). Firmware and application updates are delivered via secure HTTPS channels with cryptographic signature verification—ensuring integrity throughout the instrument lifecycle.
Applications
- Mechanical property certification of aerospace alloys (e.g., Ti-6Al-4V, 7075-T6) per AMS 2300 and ASTM B557
- Quality control of extruded polymer profiles (PVC, PA6, PC) against ISO 1133 and GB/T 1040
- Adhesion strength evaluation of coated steel substrates per ASTM D4541 (pull-off) and ISO 4624
- Compression testing of concrete cylinders (ASTM C39) and ceramic tiles (ISO 10545-3)
- Peel and tack performance assessment of pressure-sensitive adhesives (PSAs) per ASTM D3330 and FINAT FTM 1
- Biomechanical characterization of orthopedic implant materials (CoCrMo, UHMWPE) under ISO 5832-12 and ASTM F2129
FAQ
What standards does the TFW-36 comply with for force calibration and verification?
It satisfies ISO 7500-1:2018 (Class 0.5), GB/T 16491–2008, and JJG 475–2008, with factory calibration performed using NIST-traceable deadweight machines.
Can the system be integrated into an existing LIMS or MES environment?
Yes—via OPC UA or TCP/IP API interfaces, enabling bidirectional data exchange with LabWare, Thermo Fisher SampleManager, and Siemens Opcenter.
Is third-party validation support available for FDA-regulated labs?
Tuofeng provides IQ/OQ documentation templates, 21 CFR Part 11 readiness assessments, and on-site PQ support through authorized partners accredited to ISO/IEC 17025.
What is the warranty coverage and service response time?
Standard 24-month parts-and-labor warranty; priority technical support with remote diagnostics and <72-hour onsite response for critical failures under extended service agreements.
How is traceability maintained across software updates and hardware revisions?
Each firmware build is digitally signed and version-locked to corresponding calibration coefficients; all changes are logged in the audit trail with operator attribution and timestamp.
