Molds & Accessories
Laboratory Coning and Quartering Cross Divider Pressing Plate
Item Number : KT-YB
Price varies based on specs and customizations
- Plate Diameter
- Φ600 mm
- Structural Configuration
- Vertical (立式) & Horizontal (卧式) Cross Divider
- Sampling Method Compatibility
- Manual Coning and Quartering (1:2 and 1:4 Division)
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Product Overview
This laboratory cross divider pressing plate is a precision manual sample-splitting apparatus engineered to execute reliable coning and quartering on bulk particulate solids, ores, powders, and aggregates. Designed to eliminate manual operator bias during preliminary sampling stages, this equipment provides strict geometric symmetry and uniform sample flattening, ensuring representative subsampling in line with international analytical protocols.
Built for rigorous deployment across mineral processing plants, metallurgical laboratories, geological assay facilities, cement plants, and chemical quality control departments, the system accommodates diverse bulk materials ranging from fine ground ores to coarse mineral fractions. It operates as an indispensable mechanical tool between initial bulk crushing and downstream pulverizing or analytical testing, safeguarding statistical sample integrity.
Fabricated from industrial-grade wear-resistant stainless steel with precision-machined edges and reinforced structural geometry, this unit withstands repeated abrasive impact, heavy contact loads, and aggressive chemical environments. The plate maintains long-term flatness and perpendicular blade alignment across demanding operational cycles, delivering repeatable sample divisions without risk of cross-contamination or material loss.
Key Features
- Precision Cross-Sectional Geometry: Engineered with exact 90-degree intersecting blades and an ultra-flat pressing surface, ensuring uniform quadrant partitioning and identical sample volumes across every coning and quartering cycle.
- Robust Wear-Resistant Construction: Fabricated from premium heavy-gauge stainless steel to resist mechanical abrasion, surface gouging, and corrosive degradation during daily exposure to hard ores, clinker, and damp geological media.
- Standardized Φ600mm Working Diameter: Sized specifically to handle standard laboratory batch volumes, offering an expansive surface area to spread, flatten, and quarter bulk material piles up to several kilograms without spillage or material edge loss.
- Dual Ergonomic Orientation Variants: Offered in both vertical and horizontal configurations to seamlessly match technician handling preferences, benchtop clearance constraints, and specialized material flow behaviors.
- Ultra-Smooth Contact Surfaces: Chemically passivated and fine-machined to minimize particulate adherence, enabling rapid dry-brush cleaning and completely preventing sample-to-sample cross-contamination.
- Structural Reinforcement Ribbing: Enhanced backing structure prevents blade deflection and warpage under intense downward manual pressing, preserving planarity across thousands of operating cycles.
- Strict Compliance with Sampling Standards: Directly supports standardized manual sample division procedures in accordance with ASTM, ISO, and national testing standards for ores, solid fuels, and mineral concentrates.
- Safe Non-Marring Edge Profile: Designed with beveled blade perimeters and deburred exterior edges to protect operators during vigorous manual handling while delivering clean, distinct quadrant separation lines.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Mining and Mineral Assay | Subsampling bulk crushed run-of-mine ores, core drillings, and mineral processing concentrates prior to analytical pulverizing. | Ensures unbiased distribution of high-density precious and base metal minerals without segregation bias. |
| Metallurgy and Smelting Slag Control | Preparing representative samples of metallurgical slags, fluxes, ferrosilicon, and sinter batches for XRF and wet chemical assay. | Withstands abrasive slag particles while preventing quadrant volume discrepancies. |
| Cement and Raw Meal Manufacturing | Splitting clinker, limestone, gypsum, and raw meal quarry samples across production quality control stations. | Delivers fast, reproducible volume reduction to match high-throughput plant sampling intervals. |
| Coal and Solid Biofuel Testing | Performing coning and quartering on crushed coal, coke, and biomass fuels for moisture, ash, and calorific value determination. | Conforms precisely to fuel sampling standards while mitigating moisture loss during handling. |
| Geological Surveying and Soil Testing | Dividing field soil samples, geochemical exploration sediments, and environmental silt cores for contaminant profiling. | Eliminates sample cross-contamination between high-yield and low-concentration field specimens. |
| Aggregate and Construction Materials | Homogenizing and quartering fine and coarse sand, crushed gravel, and road base materials on-site or in central testing facilities. | Provides structural rigidity against heavy mechanical loads from coarse angular particles. |
| Chemical and Fertilizer Production | Subdividing bulk granular fertilizers, synthetic catalysts, and industrial salts for chemical release testing. | Resists chemical corrosion while maintaining a mirror-smooth release surface that prevents caking. |
| Refractory and Ceramic Raw Materials | Quartering silica sand, bauxite, magnesite, and ceramic powder blends prior to batch formulation and sintering analysis. | Guarantees uniform particle size distribution across all divided sub-fractions. |
Technical Specifications
| Parameter | KT-YB-V (Vertical Configuration) | KT-YB-H (Horizontal Configuration) |
|---|---|---|
| Base Product Number | KT-YB | KT-YB |
| Configuration Type | Vertical Orientation (立式) | Horizontal Orientation (卧式) |
| Plate Diameter | Φ600 mm | Φ600 mm |
| Structural Division Profile | Integrated 90° Cross Divider | Integrated 90° Cross Divider |
| Primary Material | Wear-Resistant Laboratory Stainless Steel | Wear-Resistant Laboratory Stainless Steel |
| Surface Treatment | Precision Machined & Passivated | Precision Machined & Passivated |
| Handle / Grip Arrangement | Dual Upright Ergonomic Vertical Handles | Low-Profile Horizontal Guide Brackets |
| Blade Perpendicularity | 90° ± 0.2° | 90° ± 0.2° |
| Planar Flatness Tolerance | ≤ 0.25 mm across Φ600 mm surface | ≤ 0.25 mm across Φ600 mm surface |
| Operating Temperature Range | -20°C to +120°C | -20°C to +120°C |
| Subsampling Ratio | 1:2 (Half) or 1:4 (Quarter) per split | 1:2 (Half) or 1:4 (Quarter) per split |
| Cleaning Compatibility | Dry brush, compressed air, ultrasonic, solvent wipe | Dry brush, compressed air, ultrasonic, solvent wipe |
Operational and Methodological Parameters
- Sample Division Method: Coning and Quartering (四分法) manual division technique.
- Recommended Feed Size: Powders, granular particles, and crushed aggregates up to 10 mm nominal particle size.
- Subdivision Symmetry: Opposing quadrant pairing produces two mathematically equivalent representative sub-samples per division pass.
- Corrosion Resistance: High resistance to acidic fumes, alkaline dusts, and ambient atmospheric oxidation typical in metallurgical preparation rooms.
Why Choose This Product
- Unyielding Structural Rigidity: Engineered with heavy-gauge material and reinforced weldments that resist mechanical bending, deflection, and torsional twisting during forceful downward compression.
- Certified Geometric Tolerances: Every unit is precision-machined to maintain exact 90-degree division angles and superior surface flatness, preventing operator-induced sampling skew and particle leakage.
- Superior Hygiene and Cleanability: Polished contact faces and crevice-free blade joints prevent trace sample retention, allowing rapid, contamination-free turnaround between consecutive analytical batches.
- Operational Flexibility: Available in both vertical and horizontal configurations to tailor ergonomic workflows to specific bench heights, sample pile volumes, and technician preferences.
- Extended Service Life: Built from heavy-duty industrial materials designed to endure daily abrasive wear in high-throughput testing facilities, maximizing return on investment over years of continuous service.
Contact our technical specialists today to discuss your sample preparation workflow or to request a competitive quotation on our complete line of laboratory division tools.
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