JB-118 Series Universal Tensile and Compression Testing Machine by Jiubin Instruments
| Brand | Jiubin Instruments |
|---|---|
| Model | JB-118A / JB-118B |
| Load Capacity | 0–5 kN (user-selectable) |
| Force Sensing | High-precision load cell (USA-manufactured) |
| Force Accuracy | ±0.5% of full scale |
| Effective Test Width | 380 mm |
| Max. Tensile Stroke | 1000 mm |
| Drive System | Servo motor (Japan-made) + AC motor (Taiwan-made) |
| Mechanical Transmission | Precision ball screw (Taiwan-made) + High-strength backlash-free lead screw (Korea-made) |
| Test Speed Range | 0.001–500 mm/min (stepless, user-selectable) |
| Displacement Resolution | 1/200,000 |
| Displacement Accuracy | ±0.005% of reading |
| Safety Features | Upper/lower mechanical limits, emergency stop button |
| Display Interface | Dual-mode — PC-based software + embedded microcomputer display |
| Unit Options | g, kg, N, kN, lbf, ozf |
| Power Supply | 220 V, 50 Hz |
| Net Weight | 1180 kg |
| Dimensions (W×D×H) | 1280 × 950 × 1800 mm |
| Compliance | Designed for ASTM E4, ASTM D638, ISO 6892-1, ISO 7500-1, GB/T 228.1, and general GLP-aligned test documentation workflows |
Overview
The JB-118 Series Universal Testing Machine is an electromechanically integrated static mechanical testing system engineered for precision tensile, compression, flexural, peel, shear, and tear characterization of metallic, polymeric, elastomeric, textile, composite, and electrical insulation materials. Based on the fundamental principles of uniaxial force–displacement transduction, it employs a calibrated load cell and high-resolution encoder-based displacement measurement to deliver traceable mechanical property data—including ultimate tensile strength (UTS), yield strength, elongation at break, modulus of elasticity, compressive yield stress, and bending stiffness—under controlled strain-rate conditions. Its rigid C-frame architecture, coupled with dual-screw kinematic transmission and servo-regulated actuation, ensures minimal frame deflection (<0.02 mm under 5 kN load), high reproducibility (CV < 1.2% across repeated tests per ISO 7500-1), and long-term stability required for QC laboratories and R&D environments operating under ISO/IEC 17025 or GMP-aligned quality systems.
Key Features
- Modular dual-drive architecture: Combines a high-torque Japanese servo motor for low-speed precision control (0.001–5 mm/min) and a robust Taiwan-sourced AC motor for high-speed traversal (up to 500 mm/min), enabling seamless transition between quasi-static and dynamic loading protocols.
- Multi-source precision mechanics: Incorporates Taiwan-manufactured ground ball screws for smooth axial translation and Korea-fabricated zero-backlash lead screws to eliminate hysteresis in cyclic loading applications.
- Dual-display operation: Simultaneous real-time monitoring via embedded microcomputer interface (with dedicated function keys and LED status indicators) and Windows-based PC software—supporting synchronized data logging, curve overlay, and pass/fail threshold evaluation.
- Configurable safety redundancy: Dual mechanical end stops, hardware-triggered emergency cutoff, and software-enforced travel limits ensure compliance with EN ISO 13857 and ANSI B11.19 requirements for operator protection.
- High-fidelity signal chain: USA-sourced S-type load cell with temperature-compensated Wheatstone bridge output, 200,000-count A/D resolution, and automatic zero-tracking calibration—delivering consistent force linearity across the full 0–5 kN range.
Sample Compatibility & Compliance
The JB-118 accommodates specimens up to 380 mm wide and 1000 mm gauge length, supporting standardized test geometries per ASTM D638 (plastics), ASTM D412 (elastomers), ISO 6892-1 (metals), ISO 179-1 (impact-flexure), and GB/T 228.1 (Chinese national standard for metallic tensile testing). Optional accessories—including pneumatic wedge grips, bend fixtures, compression platens, and extensometers—extend its applicability to ISO 1133 (melt flow index correlation), ASTM D1876 (T-peel), and ASTM D903 (adhesive bond strength). The system’s firmware and reporting engine support audit-ready data integrity: all test parameters, raw sensor outputs, and operator metadata are timestamped, digitally signed, and stored in non-editable binary archives compliant with FDA 21 CFR Part 11 Annex 11 expectations for electronic records.
Software & Data Management
The proprietary JB-TestSuite v3.2 software provides ISO 17025-compliant test method configuration, automated sequence execution, and GLP-aligned report generation. It supports multi-user role-based access control (administrator, technician, reviewer), electronic signature capture, and full audit trail logging—including parameter changes, calibration events, and data export actions. Raw data exports are available in CSV, XML, and universal .tdms formats; graphical overlays allow comparative analysis of up to 16 curves per plot. Integrated PDF report templates meet ASTM E1447 and ISO/IEC 17025 clause 7.8.2 requirements for result presentation, including uncertainty estimation per GUM (Guide to the Expression of Uncertainty in Measurement) methodology.
Applications
This system is routinely deployed in quality assurance labs for incoming material verification (e.g., wire tensile strength per UL 1581), production line release testing (e.g., shoe sole adhesion per SATRA TM144), and failure analysis of molded plastic components (e.g., automotive interior trim per VW TL 52205). In academic and industrial research settings, it supports structure–property correlation studies—such as evaluating thermal aging effects on EPDM sealant elongation or quantifying fiber-reinforced polymer matrix interfacial shear strength via microbond testing. Its programmable speed profiles and load-controlled ramping also enable creep and stress-relaxation experiments aligned with ISO 899-1 and ISO 899-2.
FAQ
What international standards does the JB-118 comply with for force calibration?
It conforms to ISO 7500-1 Class 0.5 accuracy requirements, verified using NIST-traceable deadweight standards and documented in factory calibration certificates.
Can the system perform closed-loop strain control?
Yes—when equipped with an optional clip-on or video extensometer, the controller supports true strain-rate control per ISO 6892-1 Annex C.
Is the software validated for regulated environments?
JB-TestSuite v3.2 includes IQ/OQ documentation templates and supports 21 CFR Part 11-compliant electronic signatures when deployed on validated Windows OS platforms.
What maintenance intervals are recommended for long-term accuracy?
Load cell recalibration every 12 months; mechanical alignment check and lubrication of ball screws every 6 months; annual verification of encoder resolution and travel repeatability.
Does the machine support automated batch testing with barcode-triggered method recall?
Yes—the optional barcode scanner module integrates with JB-TestSuite to auto-load predefined test methods, specimen IDs, and acceptance criteria upon scan.

