Jiubin JB-117A GBT-1457 Sandwich Structure Drum Peel Strength Tester
| Brand | Jiubin |
|---|---|
| Origin | Shanghai, China |
| Model | JB-117A |
| Instrument Type | Electronic Tensile Testing Machine |
| Maximum Test Force | 50 kN |
| Force Measurement Accuracy | ±0.5% of reading |
| Force Range | 0.4–100% FS (full scale), single-range |
| Displacement Resolution | 0.001 mm |
| Crosshead Speed Range | 0.001–500 mm/min (adjustable in real time) |
| Test Space (height) | 1200 mm (extendable) |
| Depth × Width × Height | 855 × 400 × 1980 mm |
| Weight | ~450 kg |
| Motor Power | 1.5 kW |
| Safety Protections | Limit switches, overload cutoff, overcurrent/overvoltage protection, emergency stop |
Overview
The Jiubin JB-117A GBT-1457 Sandwich Structure Drum Peel Strength Tester is an electronically controlled universal tensile testing system engineered specifically to evaluate interfacial bond integrity in laminated and sandwich composite structures—particularly those conforming to the Chinese national standard GB/T 1457. It operates on the principle of controlled crosshead displacement to apply uniaxial tension perpendicular to the bond line, enabling quantitative measurement of peel resistance via drum-type geometry as defined in GB/T 1457. Unlike conventional 90° or 180° peel configurations, the drum peel method subjects the adhesive interface to a consistent bending radius and uniform peeling angle, minimizing localized stress concentration and yielding highly reproducible results for structural adhesives, honeycomb cores, prepreg laminates, and fiber-reinforced polymer (FRP) assemblies. The system complies with fundamental mechanical testing principles aligned with ISO 6892-1 (tensile testing of metallic materials), ASTM D1781 (clamped-edge drum peel test), and supports traceable calibration per ISO/IEC 17025 requirements.
Key Features
- High-precision load cell with ±0.5% force accuracy across 0.4–100% full-scale range, certified to meet Class 0.5 accuracy per ISO 7500-1
- Real-time adjustable crosshead speed from 0.001 to 500 mm/min, programmable in closed-loop mode with ≤±1% speed fidelity
- Integrated high-resolution encoder system delivering 0.001 mm displacement resolution and ≤±1% positional accuracy over full travel
- Dual-column rigid frame architecture with 1200 mm vertical test space (extendable), optimized for large-format sandwich panels and multi-layer composites
- Modular fixture interface supporting standardized GB/T 1457 drum peel mandrels (diameter 38 mm), plus optional 90°/180° peel clamps, tensile grips, compression platens, and bend fixtures
- Comprehensive hardware safety suite including mechanical limit switches, electronic overload cutoff at 110% FS, overcurrent/overvoltage monitoring, and dual-channel emergency stop circuitry
Sample Compatibility & Compliance
The JB-117A accommodates specimens up to 200 mm wide and 10 mm thick, suitable for aerospace-grade aluminum honeycomb, Nomex® aramid core, balsa wood-core laminates, carbon-fiber-reinforced skins, and thermoplastic adhesive films used in automotive and wind energy applications. Specimen mounting follows GB/T 1457 dimensional tolerances (e.g., 25 mm width, 200 mm length, fixed drum diameter), ensuring metrological consistency. The system supports audit-ready compliance documentation for GLP and GMP environments, with optional configuration for FDA 21 CFR Part 11-compliant electronic records and signature functionality when paired with validated software modules.
Software & Data Management
Equipped with Jiubin’s proprietary TestMaster v4.2 control and analysis platform, the JB-117A enables automated test sequencing, real-time curve overlay, and multi-point event marking (e.g., onset of debonding, peak peel load, residual adhesion). Raw data are exported in CSV and XML formats compliant with ASTM E1434 and ISO 10360-5; stress-strain curves include automatic calculation of average peel strength (N/mm), standard deviation, and coefficient of variation. Audit trails log operator ID, timestamp, calibration status, and parameter modifications—retained for ≥36 months per internal SOPs. Optional integration with LIMS via OPC UA protocol supports enterprise-level data aggregation.
Applications
- Quantitative evaluation of adhesive bond quality in aircraft wing skins, fuselage panels, and radome assemblies
- Quality control of structural bonding processes in EV battery module housings and thermal interface material (TIM) lamination
- R&D validation of novel toughened epoxies, film adhesives, and hot-melt systems under variable humidity and temperature preconditioning
- Comparative assessment of peel resistance before/after accelerated aging (e.g., 85°C/85% RH, UV exposure, salt fog)
- Support for certification testing per CCAR-25.603, DO-160 Section 22, and EN 45545-2 fire/smoke/toxicity qualification protocols
FAQ
What standards does the JB-117A directly support?
It is configured and validated for GB/T 1457 (drum peel), ASTM D1781, and ISO 11339. Custom test methods can be programmed via script-based automation.
Is the drum mandrel included and calibrated?
Yes—a 38 mm diameter stainless steel drum mandrel compliant with GB/T 1457 is supplied and factory-calibrated; NIST-traceable certificate available upon request.
Can the system perform other peel modes besides drum peel?
Yes—90° and 180° peel fixtures are available as optional accessories; all adhere to ISO 8510-2 and ASTM D903 geometries.
Does the controller support external environmental chamber synchronization?
Yes—RS-485 and analog I/O ports enable bidirectional communication with climate chambers for temperature- and humidity-controlled peel testing.
What maintenance intervals are recommended for long-term accuracy?
Load cell verification every 6 months; encoder and drive system inspection annually; full mechanical recalibration per ISO 7500-1 every 24 months or after 10,000 cycles.

