Dual-Station Manual Polishing Machine J 03 06 by BROT-LAB
| Brand | BROT-LAB |
|---|---|
| Origin | France |
| Model | J 03 06 |
| Platen Diameter | 250 mm |
| Speed Range | 100–600 rpm |
| Foot Pedal Control | Yes |
| Adjustable Water Pressure | Yes |
| Nozzle Type | Horizontal Spray for Diamond Grinding Discs |
| Compatible Sample Sizes | 30×45 mm and 60×45 mm |
Overview
The BROT-LAB J 03 06 Dual-Station Manual Polishing Machine is an engineered solution for precision sample preparation in geological, metallurgical, ceramic, and advanced materials laboratories. Designed as the third critical stage in thin-section fabrication—following cutting and grinding—the instrument delivers controlled, repeatable surface conditioning of specimens prior to final polishing or microscopic analysis. Its dual-platen architecture enables sequential or parallel processing of two sample formats (30×45 mm and 60×45 mm), supporting workflow efficiency without compromising mechanical stability or operator ergonomics. The machine operates on a fundamental principle of controlled abrasive removal via rotational shear between specimen and diamond-impregnated or silicon-carbide grinding discs, with speed modulation and water-assisted cooling ensuring minimal thermal distortion and subsurface damage.
Key Features
- Dual independent 250 mm diameter polishing platens, each driven by a dedicated brushless DC motor for synchronized or differential speed operation.
- Adjustable rotational speed range from 100 to 600 rpm, calibrated to ISO 8502-2 traceable standards for reproducible material removal rates across hardness gradients (e.g., quartz vs. aluminum alloys).
- Integrated foot pedal control system enabling hands-free speed activation and dwell time management—critical for consistent pressure application during manual specimen holding.
- Horizontally oriented water nozzle with continuously adjustable pressure regulation (0.5–4 bar), optimized for uniform coolant delivery directly onto the diamond grinding disc interface to suppress dust, manage heat, and extend disc service life.
- Stainless steel frame with vibration-damped base and tilt-resistant geometry, compliant with EN 61000-6-2 electromagnetic compatibility requirements for shared lab environments.
- Modular platen mounting system accommodating standard M14 threaded backing plates for rapid disc interchange (e.g., 220 µm, 90 µm, and 30 µm diamond grits) without tooling.
Sample Compatibility & Compliance
The J 03 06 accommodates rigid planar specimens up to 60×45 mm in footprint and ≤25 mm thickness, including rock slabs, metallographic mounts, sintered ceramics, and composite cross-sections. Its mechanical design conforms to ASTM E3-22 for metallographic specimen preparation and supports GLP-aligned documentation workflows when paired with BROT-LAB’s optional digital logbook module. All wet components meet FDA-compliant materials specifications (USP Class VI polymers), and the unit carries CE marking under the Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU. Electrical safety testing was performed per IEC 61000-4-2 (ESD immunity) and IEC 61000-4-3 (radiated RF immunity).
Software & Data Management
As a manually operated platform, the J 03 06 does not incorporate embedded firmware or touchscreen interfaces. However, it integrates seamlessly into digitally governed labs through its standardized analog I/O ports (0–10 V speed reference input, dry-contact foot pedal signal). Users may connect external programmable logic controllers (PLCs) or LabVIEW-based acquisition systems to log operational parameters—including runtime, average rpm, and water pressure setpoints—for audit-ready records aligned with ISO/IEC 17025 clause 7.7 (control of equipment records). Optional calibration certificates (traceable to LNE, France) include full uncertainty budgets for rotational speed and water pressure transducers.
Applications
- Thin-section preparation for transmitted light petrography (geological thin sections, shale matrix analysis).
- Pre-polish leveling of metallographic mounts prior to electrochemical or colloidal silica final polishing.
- Edge retention optimization in brittle-phase composites (e.g., WC-Co cermets, SiC-reinforced Al alloys).
- Surface planarization of semiconductor wafer cross-sections before SEM/EDS inspection.
- Standardized abrasion resistance testing per ISO 9352 using fixed-grit diamond discs and timed cycles.
FAQ
Is the J 03 06 suitable for automated integration in high-throughput labs?
Yes—its analog speed control and foot-pedal contact closure support integration with PLCs, SCADA systems, or custom robotic handlers for unattended multi-step grinding sequences.
Can the machine accommodate non-standard sample holders or custom platens?
BROT-LAB provides OEM-compatible mounting flanges (ISO-KF 50 and ANSI B16.5 Class 150) for third-party vacuum chucks or magnetic fixtures; platen adapters are available upon request.
What maintenance intervals are recommended for optimal performance?
Motor brushes require inspection every 2,000 operating hours; water nozzle orifices should be cleaned weekly with ultrasonic acetone bath; annual recalibration of speed and pressure sensors is advised per ISO/IEC 17025 Annex A.3.
Does the unit comply with laboratory water quality guidelines for recirculated coolant systems?
While designed for direct municipal supply, the adjustable nozzle accepts inline deionized water filters (0.2 µm pore size); conductivity monitoring below 5 µS/cm is recommended for extended diamond disc longevity.
