Jiubin JB-121A Glass Grating Tensile Testing Machine
| Brand | Jiubin |
|---|---|
| Origin | Shanghai, China |
| Model | JB-121A |
| Instrument Type | Electromechanical Universal Testing Machine |
| Category | Physical Property Testing Instrument |
Overview
The Jiubin JB-121A Glass Grating Tensile Testing Machine is an electromechanical universal testing system engineered for precise mechanical characterization of rigid, brittle, and quasi-brittle planar materials—specifically engineered glass gratings used in optical metrology, photonic substrates, architectural glazing reinforcement, and precision sensor frames. It operates on the fundamental principle of controlled uniaxial tensile loading, applying calibrated force via a servo-controlled AC motor-driven crosshead while simultaneously measuring displacement with high-resolution linear encoders. The machine complies with core mechanical testing standards including ASTM E8/E8M (tension tests of metallic materials), ISO 6892-1 (metallic materials – tensile testing at ambient temperature), and ISO 527-2 (plastics – determination of tensile properties), with adaptability to modified fixtures for non-standard grating geometries. Its structural architecture features a rigid two-column load frame, precision-ground ball-screw transmission, and overload-protected load cell integration—designed to ensure long-term dimensional stability and measurement repeatability under cyclic loading conditions typical in quality assurance and R&D validation workflows.
Key Features
- Electromechanical actuation system with closed-loop servo control for accurate force ramping and hold profiles
- High-stiffness dual-column steel frame minimizing lateral deflection during high-load tensile events
- Interchangeable pneumatic and mechanical wedge-type grips optimized for flat, thin-section glass specimens (0.5–15 mm thickness)
- Integrated digital load cell with ±0.5% full-scale accuracy and real-time data sampling at ≥1 kHz
- Displacement resolution of 0.1 µm via linear encoder feedback, synchronized with force acquisition
- Modular test space accommodating custom fixture mounts for edge-clamped, center-pulled, or four-point bending configurations
- Compliance with CE machinery directive (2006/42/EC) and RoHS 2 (2011/65/EU) environmental requirements
Sample Compatibility & Compliance
The JB-121A is validated for tensile evaluation of monolithic and laminated soda-lime, borosilicate, and aluminosilicate glass gratings with periodic line/space patterns (pitch range: 10 µm–2 mm). Specimen dimensions supported include widths up to 100 mm and lengths ≥300 mm, with optional extensometer compatibility for direct strain measurement per ASTM E83 Class B-2. The system supports GLP-compliant operation through user-accessible audit trail configuration, electronic signature support, and test method locking—enabling alignment with ISO/IEC 17025 accredited laboratory requirements. All firmware and calibration records adhere to traceable NIST-traceable standards, with annual recalibration intervals recommended per ISO 17025 Clause 6.5.
Software & Data Management
Control and analysis are executed via Jiubin’s proprietary TestMaster v3.2 software platform, compliant with FDA 21 CFR Part 11 for electronic records and signatures. The interface provides real-time force-displacement curve visualization, automatic yield point detection (0.2% offset method), modulus calculation (secant and tangent), and fracture energy integration. Export formats include CSV, XML, and PDF reports with embedded metadata (operator ID, timestamp, calibration certificate ID, environmental conditions). Raw data files retain full acquisition resolution and are stored in encrypted local databases with configurable backup to network drives or cloud-based SFTP repositories. Audit logs record all user actions—including method edits, result overrides, and calibration events—with immutable timestamps.
Applications
- Mechanical validation of optical diffraction gratings prior to lithographic coating or vacuum deposition
- Tensile strength and elongation-at-break assessment of tempered glass lattices used in smart façade systems
- Interlayer adhesion testing in laminated safety gratings for transportation glazing compliance (ECE R43, FMVSS 205)
- Creep and stress-relaxation profiling under sustained loads for architectural glass grid applications
- R&D screening of novel glass-ceramic composites with embedded metallic or ceramic reinforcement grids
- Quality conformance testing per customer-specific specifications (e.g., BYD Q/BD-2023-TS-017, CATL GBT-2022-MT-089)
FAQ
What is the maximum tensile force capacity of the JB-121A?
The standard configuration supports up to 50 kN; higher-capacity variants (100 kN, 200 kN) are available upon request with reinforced load frame and upgraded load cell.
Can the system perform compression or flexural tests?
Yes—when equipped with optional compression platens or three/four-point bending fixtures, the JB-121A functions as a full-featured universal testing machine per ISO 7500-1 Class 1.
Is third-party calibration documentation provided?
Each unit ships with a factory calibration certificate traceable to CNAS-accredited laboratories; optional UKAS or DAkkS-certified calibration is available pre-delivery.
Does the software support automated pass/fail decision logic?
Yes—TestMaster v3.2 allows definition of multi-parameter acceptance criteria (e.g., “Fracture Load ≥ 42.5 kN AND Elongation ≤ 0.12%”) with configurable alert outputs.
How is thermal drift compensated during extended tests?
The load cell incorporates temperature-compensated strain gauge bridges and real-time thermal drift correction algorithms activated during ambient temperature fluctuations exceeding ±2°C/h.
