Microcomputer-Controlled Compression Tester for Corrugated Boxes
| Brand | Other Brands |
|---|---|
| Origin | Imported |
| Manufacturer Type | General Distributor |
| Price | USD 1,350 (FOB) |
| Capacity Options | 1000 kg / 2000 kg / 5000 kg |
| Test Area | 1200 mm × 1200 mm (customizable) |
| Resolution | 1/10,000 full scale |
| Units | kg, N, lb |
| Compression Speed | 10 ± 3 mm/min |
| Machine Dimensions | 1200 mm × 1000 mm × 1400 mm |
| Weight | Approx. 750 kg |
| Power Supply | 220 V AC, 50 Hz |
| Load Cell | High-precision explosion-proof load cell (USA-made) |
| Drive System | Taiwan-sourced AC frequency-controlled motor |
| Actuation | Precision ball screw vertical lift mechanism |
Overview
The Microcomputer-Controlled Compression Tester for Corrugated Boxes is a dedicated mechanical testing instrument engineered to quantify the compressive strength and stacking resistance of corrugated fiberboard containers under controlled quasi-static loading conditions. Based on ASTM D642 and ISO 12048 standards, the system applies axial compressive force at a defined displacement rate until specimen failure or preset load/time threshold is reached. Its primary function is to simulate real-world warehouse stacking scenarios—evaluating both peak crush resistance and time-dependent creep behavior during sustained load application. The tester operates on a rigid dual-column frame architecture with high-stiffness crosshead guidance, ensuring minimal lateral deflection and measurement integrity across the full capacity range. Unlike generic universal testing machines, this unit is purpose-built for packaging compliance testing, integrating load-cell calibration traceability, programmable hold-time functionality, and direct output of compression–displacement curves essential for ISTA and TAPPI-certified validation protocols.
Key Features
- High-accuracy USA-manufactured explosion-proof load cell with temperature compensation and <0.5% FS linearity error, certified to ISO 376 Class C accuracy.
- Taiwan-sourced AC frequency-inverter motor enabling precise speed regulation within ±3 mm/min tolerance—critical for repeatable ASTM D642 compliance.
- Ball-screw-driven vertical actuation system delivering smooth, backlash-free motion and long-term positional stability over >50,000 test cycles.
- Integrated microprocessor-based controller with real-time digital display of load, displacement, and elapsed time; supports automatic peak detection and immediate shutdown upon collapse.
- Thermal-printed report generation with embedded test ID, date/time stamp, operator code, and raw data export via RS-232 interface.
- Modular test platens (standard 1200 mm × 1200 mm, optional custom sizes up to 2000 mm × 2000 mm) accommodate diverse carton geometries including RSC, HSC, and die-cut specialty containers.
Sample Compatibility & Compliance
The tester accommodates single-wall, double-wall, and triple-wall corrugated board constructions—including coated, wax-impregnated, and recycled-content variants—as well as solid fiberboard, honeycomb panels, and molded pulp trays. It meets mandatory requirements for ISO/IEC 17025-accredited laboratories conducting packaging validation under ISO 2233 (stacking test), ASTM D4577 (cold chain pallet stacking), and TAPPI T 811 (edge crush test correlation). All firmware and calibration routines are documented per GLP principles, supporting audit-ready records for FDA-regulated pharmaceutical packaging and IATA-compliant air freight certification. Optional NIST-traceable load cell recalibration kits and annual verification services are available to maintain metrological continuity.
Software & Data Management
While the base configuration includes embedded microcontroller operation, an optional PC-based software suite (compatible with Windows 10/11) enables advanced data handling: automated batch reporting, statistical process control (SPC) charting (X-bar/R, Cp/Cpk), multi-curve overlay comparison, and PDF/CSV export compliant with 21 CFR Part 11 requirements—including electronic signatures, audit trails, and user-access level management. Raw test logs retain timestamped metadata (ambient temperature/humidity, operator ID, calibration certificate number), facilitating root-cause analysis in nonconformance investigations.
Applications
- Validation of shipping container performance against retailer-specific stacking height specifications (e.g., Walmart, Amazon FBA).
- Design qualification of new packaging structures prior to production ramp-up.
- Quality assurance screening of incoming corrugated board from suppliers (incoming inspection per ISO 2859-1 AQL sampling).
- Correlation studies between edge crush test (ECT) values and actual box compression strength (BCT) using McKee equation modeling.
- Accelerated aging assessment—measuring BCT degradation after controlled humidity exposure (ASTM D685).
FAQ
What standards does this tester support out-of-the-box?
ASTM D642, ISO 12048, TAPPI T 810, and ISO 2233—fully configurable via front-panel menu without software dependency.
Can it perform constant-load creep testing?
Yes—programmable hold mode maintains user-defined load for durations up to 999 minutes with automatic displacement logging every 5 seconds.
Is third-party calibration documentation included?
Each unit ships with a factory calibration certificate traceable to NIST standards, valid for 12 months from shipment date.
What maintenance intervals are recommended?
Lubrication of ball screws every 6 months; annual load cell verification; biannual verification of speed accuracy per ASTM E29.
Does it support integration into a LIMS environment?
Via optional RS-232 or Ethernet module, enabling HL7/ASTM-compliant data transmission to laboratory information management systems.
