Bico LC-53 Dual-Core Pulverizer
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | LC-53 |
| Pricing | Upon Request |
Overview
The Bico LC-53 Dual-Core Pulverizer is a precision-engineered laboratory-scale jaw-type pulverizing mill designed for consistent, reproducible size reduction of hard, brittle, and abrasive geological and industrial materials. Operating on the principle of compressive crushing between two opposing, intermeshing grinding plates—one stationary and one rotating—the LC-53 delivers controlled particle size distribution through adjustable plate gap geometry and regulated rotational speed. Its mechanical architecture is optimized for high-duty-cycle operation in QC laboratories, mining exploration labs, geochemical preparation facilities, and metallurgical R&D environments where sample integrity, minimal contamination, and throughput consistency are critical. Unlike impact or rotor-based mills, the dual-core design minimizes heat generation and particle agglomeration, preserving mineralogical phase stability during comminution—particularly important for XRF, ICP-MS, and XRD sample preparation workflows.
Key Features
- Dual-core jaw configuration with interchangeable fixed and rotating grinding plates, enabling precise control over final particle size (typically ≤75 µm, equivalent to 200-mesh sieve retention)
- Adjustable plate gap via threaded knob and locking lever (8-inch / 203 mm diameter plates), facilitating rapid optimization for varying hardness and feed size (max. feed size: 1/4 inch / 6.4 mm)
- 2 HP totally enclosed fan-cooled (TEFC) three-phase induction motor with thermal overload protection, rated for both 50 Hz and 60 Hz operation at dual voltage configurations (220 V or 440 V)
- Robust double-V-belt drive system delivering stable shaft rotation at 900–1000 rpm, ensuring uniform torque transmission and reduced mechanical wear
- Manually adjustable grease cup lubrication system for main shaft bearings, supporting extended maintenance intervals and operational reliability
- Integrated safety guard compliant with ANSI B11.1 and OSHA 1910.212 standards, including interlocked access shielding and emergency stop readiness
- Full-sample recovery design: seamless grinding chamber geometry and non-porous surface finish minimize cross-contamination and facilitate complete residue retrieval
Sample Compatibility & Compliance
The LC-53 is validated for processing hard rock specimens (e.g., granite, basalt, quartzite), metallic ores (hematite, bauxite, pyrite), refractory minerals (garnet, corundum), and sintered ceramics. It complies with ASTM D2974 (Standard Test Methods for Moisture, Ash, and Organic Matter of Peat and Other Organic Soils), ISO 14688-1 (Geotechnical investigation and testing — Identification and classification of soil), and USP (Powder Flow and Compressibility). When equipped with LCA-11 alumina ceramic plates, it meets stringent low-metal-leach requirements for trace-element analysis per EPA Method 6010D and ISO/IEC 17025-accredited laboratories. Optional dust containment systems (LCA-91/LCA-92) ensure compliance with OSHA PEL (Permissible Exposure Limits) for respirable crystalline silica (29 CFR 1926.1153) and support GLP/GMP audit readiness.
Software & Data Management
The LC-53 operates as a standalone electromechanical instrument without embedded firmware or digital interface. However, its deterministic mechanical behavior—repeatable gap setting, fixed RPM range, and documented throughput (up to 27 kg/h)—enables full traceability within LIMS-integrated workflows. Operators record plate type, gap setting, run duration, and batch ID manually or via barcode-scanned log sheets; these entries are directly linkable to analytical results in validated laboratory information management systems (LIMS). For FDA-regulated environments, manual logs may be maintained under 21 CFR Part 11-compliant electronic signature protocols when digitized using validated document management platforms.
Applications
- Preparation of homogenized reference materials for certified geochemical standards (e.g., NIST SRM, CANMET, USGS rock powders)
- Routine pulverization of drill core and chip samples prior to fusion bead preparation for XRF quantification
- Size reduction of slag, fly ash, and cement clinker for pozzolanic activity testing (ASTM C618)
- Comminution of battery cathode materials (LiCoO₂, NMC) for electrochemical characterization without thermal degradation
- Controlled fragmentation of refractory catalyst supports (alumina, silica-alumina) for BET surface area analysis
- Mineral liberation studies requiring preserved grain boundary integrity for SEM-EDS mapping
FAQ
What grinding plate materials are available, and how do they differ in application?
The LC-53 supports six interchangeable plate sets: LCA-6 (standard iron alloy, lowest hardness), LCA-5 (medium-carbon steel, 3× wear resistance vs. LCA-6), LCA-9 (hardened alloy steel for abrasive ores), LCA-7 (low-phosphorus carbon steel for improved toughness with ductile materials), LCA-11 (99.5% alumina ceramic for ultra-low contamination in trace metal analysis), and custom tungsten carbide options upon request.
Is the LC-53 suitable for moisture-sensitive or hygroscopic samples?
Yes—when used with optional LCA-91 dust containment enclosure and inert gas purging adapters (not included), the mill can operate under nitrogen or argon atmosphere to prevent oxidation or hydration during grinding.
Does the unit include electrical installation components?
No—the LC-53 ships with a motor starter switch but requires field installation by a qualified electrician, including appropriate disconnects, fusing, and grounding per NEC Article 430.
Can throughput be calibrated for specific material densities?
Yes—throughput validation protocols are provided in the Operator Manual; users may generate material-specific calibration curves using gravimetric batch weighing and sieve analysis per ASTM E11.
