Drick DRK127 Touchscreen Color Display Coefficient of Friction Tester
| Brand | Drick |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DRK127 |
| Price | USD 7,000 (FOB Qingdao) |
Overview
The Drick DRK127 Touchscreen Color Display Coefficient of Friction Tester is an engineered solution for precise, repeatable measurement of static and kinetic coefficients of friction (COF) in flexible sheet materials. Based on the fundamental principle of horizontal pull testing under controlled normal load and sliding velocity, the instrument complies with standardized tribological test configurations defined in ISO 8295 (Plastics — Film and Sheet — Determination of the Coefficients of Friction), ASTM D1894 (Standard Test Method for Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting), and GB/T 10006. It employs a high-stability load cell coupled with a precision linear motion stage, enabling direct quantification of tangential resistance force relative to applied normal force—yielding COF values as dimensionless ratios (µs and µk). Designed for packaging R&D labs, quality control departments in film extrusion plants, and textile finishing facilities, the DRK127 delivers metrologically traceable data essential for process validation, material specification compliance, and comparative benchmarking across substrate batches.
Key Features
- ARM-based embedded control architecture with real-time operating system ensures deterministic response and system stability during dynamic friction acquisition.
- 800 × 480 high-brightness TFT color touchscreen interface replicates desktop-style navigation logic—minimizing operator training time while supporting multilingual UI localization (English, Spanish, Chinese preloaded).
- Force transducer resolution of 1 part in 100,000 full scale and linearity error < ±0.1% FS enable detection of sub-mN-level friction transitions critical for low-friction polymer films (e.g., PP, PET, BOPP) and silicone-coated release liners.
- Adjustable normal load via programmable slider mass (standard 200 g ± 0.1 g; optional weights available for 100–1000 g range) permits simulation of real-world contact pressures encountered in packaging line conveyors and form-fill-seal machinery.
- Sliding speed continuously adjustable from 0 to 500 mm/min (±0.5% setpoint accuracy), accommodating both slow-slip characterization (e.g., seal integrity evaluation) and high-speed production-line mimicry.
- Independent return speed control (up to 1000 mm/min) reduces non-testing cycle time by >40% versus fixed-return systems—critical for high-throughput QC environments processing ≥50 samples/day.
- Real-time force–time curve visualization during test execution allows immediate identification of stick-slip behavior, surface heterogeneity, or adhesive transfer phenomena.
Sample Compatibility & Compliance
The DRK127 is validated for planar, non-porous, and semi-flexible specimens up to 150 mm × 150 mm, including but not limited to: biaxially oriented polypropylene (BOPP), polyethylene terephthalate (PET), low-density polyethylene (LDPE), aluminum foil laminates, coated paperboard, calendered rubber sheets, and woven/nonwoven textiles per FZ/T 01054-2012. All mechanical and electronic subsystems conform to IEC 61000-4 electromagnetic compatibility requirements. Calibration procedures align with ISO/IEC 17025:2017 general requirements for competence of testing and calibration laboratories. Instrument firmware supports audit trail logging (user ID, timestamp, parameter changes, test result export events) to facilitate GLP and GMP-aligned documentation workflows.
Software & Data Management
Onboard firmware stores up to 511 test batches (labeled by alphanumeric batch ID), each containing 10 individual measurements (numbered 01–10). For each batch, the system automatically computes arithmetic mean, standard deviation, coefficient of variation (CV%), minimum, and maximum COF values—both static (µs) and kinetic (µk). Raw force–time datasets (20 Hz sampling rate) are exportable via USB 2.0 port in CSV format for post-processing in MATLAB, Python (NumPy/Pandas), or statistical packages such as JMP or Minitab. Optional PC software (DRK-COF Manager v3.2) provides histogram generation, trend charting across multiple batches, and automated report generation compliant with ISO 10012 measurement management system requirements.
Applications
- Validation of anti-block additive efficacy in blown film extrusion processes.
- QC release testing of pharmaceutical blister lidding foils per USP and FDA guidance on container closure integrity.
- Friction profiling of label facestocks and pressure-sensitive adhesives prior to die-cutting and dispensing.
- Correlation studies between surface energy (measured via dyne solutions) and kinetic COF in corona-treated PE films.
- Research into humidity-dependent friction hysteresis in hygroscopic cellulose-based packaging substrates.
- Pre-shipment verification of slip agent migration stability in food-grade pouch laminates.
FAQ
What standards does the DRK127 natively support?
It is factory-configured to execute tests per GB/T 10006, ASTM D1894, ISO 8295, and FZ/T 01054-2012 without user-defined method scripting.
Can the instrument be integrated into a LIMS environment?
Yes—CSV exports include ISO 8601 timestamps, operator IDs, and calibrated metadata fields compatible with most laboratory information management systems via scheduled file ingestion or API middleware.
Is third-party calibration certification available?
Drick provides NIST-traceable calibration certificates (with uncertainty budgets) upon request; annual recalibration services are offered under ISO/IEC 17025-accredited procedures.
What maintenance intervals are recommended?
Load cell zero-point verification every 30 days; linear guide rail lubrication every 6 months; touchscreen calibration check quarterly using included reference stylus.
Does the DRK127 meet FDA 21 CFR Part 11 requirements?
While the base firmware does not include electronic signature modules, the optional DRK-COF Manager v3.2 software package implements role-based access control, audit trails, and electronic signature functionality fully compliant with 21 CFR Part 11 Subpart B.
