Jaw Crushers
Custom Raised Height Laboratory Jaw Crusher for Precision Sample Preparation in Material Science
Item Number: PP-JA19
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Product Overview
This laboratory jaw crusher is engineered for efficient medium to fine size reduction of brittle materials, making it an indispensable tool in material science and quality control laboratories. Its core value lies in delivering consistent, representative samples by applying a curved compression crushing principle that minimizes fines generation while preserving sample integrity. The unit’s robust construction and customizable raised height design ensure seamless integration into diverse lab environments.
Designed for versatility, the equipment processes a wide range of materials including ores, minerals, ceramics, slags, rocks, and similar abrasive substances. Industries such as mining, metallurgy, geology, cement, ceramics, and chemical processing rely on this system for dependable sample preparation. Whether you need to crush drill core for geochemical analysis or prepare raw meal for cement testing, this crusher provides the precision and reliability required.
Confidence in performance comes from premium materials and meticulous engineering. The jaws are cast from high manganese steel, a work-hardening alloy that withstands the most demanding crushing tasks. The curved compression action, where material is squeezed between a fixed and a movable jaw, produces minimal dust and overheating, preserving the chemical composition of samples. Combined with a powerful 4kW motor and precise manufacturing tolerances, this equipment maintains stable operation and low maintenance over thousands of cycles, ensuring your lab workflows remain uninterrupted.
Key Features
- Premium High Manganese Steel Jaws: The standard jaw plates are cast from high manganese steel (Mn13), which exhibits extraordinary work-hardening properties. As crushing proceeds, the surface hardness increases, significantly extending service life—particularly when processing highly abrasive materials like quartzite or granite. This reduces jaw replacement frequency and operational costs over the long term.
- Large Feed Opening with High Reduction Ratio: The 150×200mm feed opening accepts material up to 120mm, enabling single-stage reduction to below 30mm. The optimized chamber geometry and aggressive nip angle ensure positive material intake and high throughput while preventing bridging. This high reduction ratio simplifies sample preparation workflows by eliminating the need for multiple crushing stages.
- Adjustable Discharge Size Control: A simple wedge adjustment mechanism allows precise, repeatable setting of the discharge gap. Operators can fine-tune the output size from coarse to fine, accommodating various analytical protocols. Clear markings and a locking system ensure the setting remains stable during extended runs.
- Raised Height Customization: In response to ergonomic or process demands, the crusher frame can be built with an elevated base. This customization is ideal for feeding directly into tall collecting bins, conveyors, or downstream sample preparation instruments, reducing lifting and improving workflow efficiency. The raised design is engineered to maintain the same structural rigidity as the standard model.
- Robust Drive System: A 4.0 kW motor delivers ample low-speed torque for crushing dense materials, achieving throughputs up to 2.0 t/h (depending on material properties and settings). The motor is coupled via a heavy-duty belt drive and protected by a shear pin or thermal overload, ensuring safe operation and equipment protection during uncrushable incidents.
- Compact and Stable Design: Despite its industrial-grade power, the unit’s footprint is optimized for laboratory space. Integrated anti-vibration mounts and a rigid steel base guarantee quiet, stable operation, preventing interference with sensitive balances or nearby instruments. This stability is crucial for consistent crushing dynamics.
- Easy Jaw Replacement and Cleaning: The crushing chamber is accessible via a hinged door, and jaw plates are secured with only a few bolts. This design allows rapid plate changes and thorough cleaning between batches, essential for preventing cross-contamination in multi-material laboratories. Smooth internal surfaces minimize material hold-up.
- Comprehensive Safety Package: Operator safety is a priority. The crushing chamber is fully enclosed, and the door is interlocked to prevent access when the motor is running. An emergency stop button is prominently placed, and the motor protection prevents overheating. An optional dust extraction flange can connect to a lab vacuum system for dust-free operation.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Geological Sample Processing | Crushing fresh and altered rock, drill core, and mineral specimens for geochemical and mineralogical studies. Typical materials include granite, basalt, limestone, and sulfide ores. | Produces homogeneous samples for representative splitting, ensuring accurate analysis without contamination. |
| Mining & Ore Preparation | Initial size reduction of gold, copper, iron, and other ores before fine grinding. Suitable for both exploration and production environments. | Enhances liberation and reduces energy consumption in downstream milling circuits. |
| Ceramic and Glass Raw Materials | Comminution of frits, glazes, feldspar, quartz, and olivine for batch formulation in ceramic tile, sanitaryware, and glass production. | Delivers consistent particle size distribution critical for uniform melting and final product quality. |
| Cement Plant Quality Control | Pre-crushing of clinker, limestone, gypsum, and pozzolans for physical and chemical testing. Key in quality labs for rapid turnaround. | Streamlines sample preparation, enabling reliable XRF and fineness measurements with minimal operator intervention. |
| Metallurgical Slag Recycling | Processing ferroalloy slags, steel-making residues, and recycled refractory materials to recover valuable metals or prepare aggregates. | Wear-resistant jaws handle high hardness and abrasive character without rapid deterioration. |
| Chemical and Industrial Minerals | Size reduction of salt, catalysts, synthetic minerals, and other brittle chemical intermediates for further processing or analysis. | Minimizes contamination through material-specific jaw options and easy cleaning protocols. |
| Construction Material Testing | Crushing aggregates, concrete cores, and road base materials for gradation, strength, and durability testing. | Rugged design copes with hard, irregularly sized specimens while maintaining output specifications. |
| Academic and Research Laboratories | Student training, geological fieldwork sample prep, and materials research requiring consistent, repeatable feed. | Simple operation and stable output support reproducibility in experimental studies across disciplines. |
This laboratory jaw crusher integrates effortlessly into automated sample preparation lines, connecting with splitters, pulverizers, and pellet presses to create a complete workflow for XRF or ICP analysis. Its raised height option is particularly valuable when feeding directly into elevated hoppers or mills, reducing manual handling and improving safety. The system’s versatility makes it a central component in labs that demand high throughput and analytical precision.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | PP-JA19 |
| Jaw Plate Material | High Manganese Steel (Standard) |
| Feed Opening Dimensions | 150 mm × 200 mm |
| Maximum Feed Size | < 120 mm |
| Discharge Size | < 30 mm (Continuously Adjustable) |
| Processing Capacity | 0.5 – 2.0 t/h |
| Motor Power | 4.0 kW |
| Voltage Requirement | 380 V, 3-phase |
| Machine Frame | Heavy-duty steel with raised height option |
| Crushing Principle | Curved compression (bent-squeeze) |
| Recommended Material Hardness | ≤ 150 MPa compressive strength |
| Dust Control Options | Connection flange for dust extraction (upon request) |
| Safety Features | Enclosed chamber, emergency stop, motor overload protection |
Why Choose This Product
- Uncompromising Build Quality: The frame is fabricated from high-grade structural steel, welded with full penetration and stress-relieved to ensure dimensional stability. Precision-machined bearing housings and a balanced eccentric shaft minimize vibration, extending bearing life and ensuring smooth operation. This heavy-duty construction is designed for a service life exceeding 10 years under normal laboratory use.
- Customization for Your Needs: Beyond the raised height modification, we offer jaw plates in alternative materials (e.g., tungsten carbide for extreme abrasion), voltage configurations, or integration with sample collection systems. Every detail can be adapted to your unique process, from discharge chute design to automation interfaces.
- Consistent, Repeatable Results: Tight manufacturing tolerances and a robust eccentric shaft assembly ensure that crushed product size distribution remains stable batch after batch. This repeatability is vital for laboratories where analytical accuracy depends on standardized sample preparation. The curved compression action further guarantees minimal heat generation, preserving volatile components.
- Fast, Accessible Support: With deep expertise in sample preparation, our engineers assist with specification, installation, and long-term maintenance planning. We respond quickly to technical inquiries, minimizing downtime and ensuring your lab stays productive.
- Proven Reliability in the Field: Used in demanding environments worldwide, this crusher type has established a reputation for withstanding high workloads while maintaining performance. We stand behind our equipment with comprehensive warranties and after-sales service, giving you confidence in every purchase.
Invest in precision and reliability. Contact us today to request a quote, discuss custom configurations, or schedule a demonstration. Let our team help you design the optimal sample preparation solution for your laboratory.
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