Jiubin JB-117A Universal Testing Machine for Wood-Based Panels
| Brand | Jiubin |
|---|---|
| Model | JB-117A |
| Type | Electromechanical Universal Testing Machine |
| Max Load Capacity | 20 kN |
| Force Accuracy | ±0.5% of reading |
| Force Measurement Range | 0.4–100% of full scale |
| Crosshead Speed Range | 0.01–500 mm/min |
| Speed Accuracy | ±0.5% of set value |
| Displacement Resolution | 0.001 mm |
| Extensometer | 50 mm gauge length, 10 mm travel |
| Software | MaxTest v3.x (Windows-compatible, bilingual English/Chinese interface) |
| Overload Protection | Auto-stop at 5–10% above rated load (configurable) |
| Dual Crosshead Limit Protection | Electronic + programmable |
| Test Width (clear) | 360 mm |
| Effective Tensile Stroke | 650 mm (customizable) |
| Standard Fixtures | One set of ASTM-compliant wood-panel tensile grips |
Overview
The Jiubin JB-117A Universal Testing Machine is an electromechanical materials testing system specifically engineered for the mechanical characterization of engineered wood products—including plywood, particleboard, medium-density fiberboard (MDF), and wood-plastic composites (WPC). It operates on the principle of controlled uniaxial loading under displacement or load control, enabling precise quantification of structural integrity parameters critical to ISO 16978, EN 310, EN 319, EN 317, and ASTM D1037 test protocols. The machine delivers high reproducibility in static bending tests (e.g., modulus of rupture and modulus of elasticity), internal bond strength, surface bonding strength, screw withdrawal resistance, and glue-line shear performance—key metrics required by manufacturers, third-party certification labs, and national quality supervision institutions across Asia, Europe, and North America.
Key Features
- Robust dual-column frame with high-rigidity load frame and precision-ground ball screws, ensuring minimal deflection during high-load bending tests on thick composite panels.
- High-resolution force transducer calibrated to ISO 7500-1 Class 0.5, providing traceable accuracy across the full 20 kN range (0.4–100% FS) with thermal drift compensation.
- Programmable crosshead speed from 0.01 to 500 mm/min, supporting both quasi-static flexural testing per EN 310 and rapid failure mode analysis under dynamic ramp conditions.
- Dual-layer safety architecture: hardware-based electronic limit switches combined with software-defined stroke boundaries prevent overtravel and specimen overloading.
- Integrated extensometer with 50 mm gauge length and ±10 mm travel enables direct strain measurement during elastic deformation phases—essential for accurate modulus determination in low-stiffness WPCs.
- Configurable overload threshold (5–10% above nominal capacity) with immediate motor shutdown and audible alert, compliant with IEC 61000-6-2 EMC and ISO 12100 functional safety principles.
Sample Compatibility & Compliance
The JB-117A accommodates standard test specimens per ISO 16978 (100 × 25 mm for internal bond), EN 310 (100 × 25 × thickness mm for MOR/MOE), and ASTM D1037 (for WPC flexure and fastener withdrawal). Its 360 mm clear width and 650 mm effective stroke support full-thickness testing of commercial-grade MDF (up to 32 mm) and laminated plywood without sectioning. All test routines align with GLP documentation requirements: audit trails, user authentication, and electronic signature support are embedded in MaxTest software to meet FDA 21 CFR Part 11 readiness standards when configured with Windows domain authentication.
Software & Data Management
MaxTest v3.x provides a modular, standards-driven interface compatible with Windows 7 through Windows 11. It includes preloaded test methods for EN 310 (bending), EN 319 (internal bond), EN 317 (thickness swelling), and ASTM D1037 (composite panel evaluation). Real-time data acquisition records force, displacement, and extensometer strain at ≥1 kHz sampling rate. Raw data exports to CSV, XML, and PDF formats; reports include statistical summaries (mean, SD, CV%), pass/fail flags against specification limits, and graphical overlays for comparative batch analysis. Calibration certificates, user logs, and method version history are stored in encrypted local databases with timestamped metadata.
Applications
- Static bending evaluation of structural panels: determination of modulus of rupture (MOR) and modulus of elasticity (MOE) under three-point loading per EN 310.
- Internal bond strength measurement via tensile separation of core layers in particleboard and MDF per EN 319.
- Surface bonding strength assessment using standardized pull-off fixtures for overlay adhesion verification.
- Screw withdrawal resistance testing on WPC decking and cladding substrates, following ASTM D1761 protocols.
- Quality control screening in production environments where repeatable inter-lot comparison and SPC charting are mandated by ISO 9001:2015 Clause 8.5.2.
FAQ
Does the JB-117A comply with ISO/IEC 17025 calibration requirements?
Yes—the force transducer and displacement encoder are supplied with UKAS-accredited calibration certificates; users may perform in-house verification using NIST-traceable reference load cells and gauge blocks.
Can the system be integrated into a laboratory LIMS environment?
Yes—MaxTest supports ODBC-compliant database output and HL7 message export for bidirectional integration with major LIMS platforms including LabVantage and Thermo Fisher SampleManager.
Is ASTM D1037 testing fully automated within the software?
Yes—predefined test templates include automatic calculation of flexural stress, strain-to-failure, and load-deflection curve derivatives per Section 9.1–9.3 of ASTM D1037-22.
What maintenance intervals are recommended for long-term accuracy retention?
Biannual verification of force transducer linearity and annual recalibration of the extensometer are advised; lubrication of lead screws every 500 operational hours ensures positional repeatability.
Are custom fixture designs available for non-standard panel geometries?
Yes—Jiubin offers OEM fixture engineering services, including finite-element validated grip designs for edge-loaded WPC profiles and multi-point bending jigs for curved laminates.
