North Guang Precision Instrument BG-8102 Pneumatic Specimen Punching Machine
| Brand | North Guang Precision Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | BG-8102 |
| Quotation | Upon Request |
| Stroke Range | 0–100 mm |
| Worktable Dimensions | 245 mm × 245 mm |
| Overall Dimensions | 420 mm × 360 mm × 580 mm |
| Operating Air Pressure | 0.4 MPa |
Overview
The North Guang Precision Instrument BG-8102 Pneumatic Specimen Punching Machine is an engineered solution for standardized specimen preparation in rubber and plastic testing laboratories. Designed in strict accordance with ASTM D624, ISO 37, ISO 34-1, and GB/T 528–2009 requirements, this machine delivers repeatable, high-precision cutting of dumbbell-shaped, rectangular, circular, trapezoidal, and custom-profile test specimens from vulcanized rubber sheets, thermoplastic elastomers, polymer films, and composite laminates. Its pneumatic actuation system ensures consistent force application—eliminating operator-induced variability inherent in manual or hydraulic systems—while maintaining compliance with GLP (Good Laboratory Practice) documentation workflows. The machine operates on a regulated compressed air supply (0.4 MPa), enabling rapid, low-effort cycling with minimal maintenance and no hydraulic fluid contamination risk.
Key Features
- Pneumatically driven vertical stroke mechanism with adjustable stroke range (0–100 mm), ensuring full penetration through materials up to 10 mm thick without rebound or incomplete shearing.
- Sturdy cast-iron base and reinforced steel frame provide mechanical stability during high-frequency operation, minimizing vibration-induced dimensional drift.
- Modular die-mounting interface compatible with standardized DIN/ISO/GB punch dies—including ASTM D412 dumbbell types (Type I, II, III), tear specimens (trouser, angle, crescent), and custom non-standard profiles.
- Integrated pressure regulator and filter-lubricator unit ensure clean, moisture-free air delivery—critical for long-term solenoid valve and cylinder reliability.
- Ergonomic foot-switch activation with dual-hand safety interlock prevents accidental actuation; conforms to ISO 13857 and EN 62061 functional safety requirements.
- Tool-free die change system allows rapid switching between specimen geometries—reducing setup time and cross-contamination risk between material batches.
Sample Compatibility & Compliance
The BG-8102 accommodates sheet specimens up to 245 mm × 245 mm in planar dimension and ≤10 mm in thickness. It is validated for use with natural rubber (NR), styrene-butadiene rubber (SBR), ethylene propylene diene monomer (EPDM), silicone elastomers, polyethylene (PE), polypropylene (PP), PVC, PET films, and fiber-reinforced composites. All cut edges meet ASTM D624 tolerance limits (±0.1 mm width deviation across 50 mm gauge length). The machine supports traceability via optional engraved die identification and is routinely audited under ISO/IEC 17025 accredited laboratory quality systems. Die calibration certificates (traceable to NIM, China) are available upon request.
Software & Data Management
While the BG-8102 operates as a standalone mechanical system, its design integrates seamlessly into digital QA/QC environments. Each punch cycle generates a mechanical timestamp via integrated proximity sensor output (NPN, 24 VDC), compatible with PLC-based logging systems (e.g., Siemens S7, Allen-Bradley CompactLogix). Optional RS-485 Modbus RTU interface enables connection to LIMS platforms for batch-level specimen metadata capture—including operator ID, material lot number, die ID, and cycle count. Audit trails comply with FDA 21 CFR Part 11 when paired with validated electronic signature modules.
Applications
- Preparation of tensile test specimens per ASTM D412 and ISO 37 for modulus, elongation at break, and ultimate tensile strength evaluation.
- Generation of tear-resistant specimens (ASTM D624, ISO 34-1) for trouser, angle, and crescent tear testing on universal testing machines.
- Production of oxygen index (ASTM D2863) and horizontal/vertical flame spread (UL 94, GB/T 2408) specimens requiring precise edge geometry and dimensional repeatability.
- High-throughput sample conditioning for accelerated aging studies where identical specimen morphology across exposure groups is critical.
- Research-grade specimen fabrication for dynamic mechanical analysis (DMA), Shore hardness correlation studies, and fatigue life modeling.
FAQ
What types of dies are supported by the BG-8102?
Standardized dies conforming to ASTM, ISO, and GB specifications—including Type I–V dumbbell, trouser tear, right-angle tear, crescent tear, and custom profile dies—are mechanically compatible. Non-standard dies require verification of mounting interface dimensions (M6 threaded holes, 30 mm center-to-center spacing).
Is compressed air supply included with the instrument?
No. A clean, dry, oil-free compressed air source delivering 0.4 MPa ±0.02 MPa at ≥100 L/min is required. Users must install an inline filter-regulator-lubricator (FRL) unit upstream of the machine inlet.
Can the BG-8102 be integrated into automated lab workflows?
Yes. Its 24 VDC proximity sensor output and optional Modbus RTU interface support integration with PLCs, SCADA systems, and LIMS platforms for cycle logging, specimen tracking, and audit-ready reporting.
Does the machine require periodic calibration?
The pneumatic system does not require recalibration; however, die sharpness and alignment should be verified every 5,000 cycles using optical profilometry or certified gauge blocks per ISO 9001 internal calibration procedures.
