Automatic Fluorescent Pellet Press for XRF Sample Preparation

Product Overview

This advanced automatic fluorescent pellet press represents a breakthrough in high-pressure sample preparation for X-ray fluorescence (XRF) spectroscopy and related analytical techniques. Designed for rapid, repeatable, and flawless pelletization, the system utilizes a robust hydraulic mechanism delivering up to 60 tons of controlled force. By automating the entire pressing cycle, it eliminates operator variability, guaranteeing consistent density and surface uniformity across every sample pellet produced.

Engineered specifically for demanding laboratory and industrial environments, the press is widely utilized in cement plants, metallurgical labs, mining operations, ceramic industries, and battery research facilities. The equipment accommodates diverse sample prep techniques, supporting boric acid cups, aluminum cups, steel rings, and plastic cups. Whether processing raw geological ores, synthetic chemical powders, or advanced battery materials, this unit delivers the structural integrity required for precise spectroscopic analysis.

Built with industrial-grade components, including premium hydraulic valves and a heavy-duty steel frame, the system ensures unmatched reliability under continuous-duty cycles. Comprehensive safety features, such as over-pressure protection, physical safety limits, and intelligent motor control, protect both the operator and the internal components. Laboratories worldwide rely on this pressing technology to maintain high-throughput sample workflows without compromising analytical precision.

Key Features

• Intelligent PLC and Bilingual Touchscreen Control: The system is equipped with a high-performance PLC and a user-friendly touchscreen interface supporting both English and Chinese. Operators can easily program press parameters, save distinct recipes, and monitor real-time pressure curves, ensuring absolute process repeatability.
• Multi-Stage Programmable Pressure Profile: Features adjustable pressure hold times and customized pressure ramp rates. The sophisticated hydraulic controller allows precise setting of maximum load and dwell times to ensure highly homogeneous pellet compaction without micro-cracking.
• Advanced Sample Degassing and Slow-Release Technology: Designed with an integrated slow-release and automatic degassing cycle. This controlled decompression sequence allows trapped air within the sample powder to escape gradually, preventing the classic "capping" or cracking issues common with highly fine or cohesive materials.
• Highly Versatile Mold Compatibility: Seamlessly integrates with a wide variety of sample preparation molds, including boric acid binding, aluminum cups, steel containment rings, and plastic cups. The dedicated software interface features individual presets for each mold type, optimizing the pressing parameters automatically.
• Premium Hydraulic System with Active Filtration: Built around a high-pressure hydraulic circuit featuring imported valves and an integrated fluid filtration system. Liquid level detection and high-pressure anti-wear hydraulic oil ensure smooth piston movement, low noise, and minimal thermal degradation during extended operations.
• Robust Structural Construction and Safety Interlocks: Features a heavy-duty dual-column frame with built-in limit switches, motor reverse protection, and emergency shut-off functions. The design protects the mechanical linkages, columns, and molds from over-travel or over-pressurization.
• Ergonomic, Cleanroom-Friendly Design: The table top is constructed with rounded edges and seamless joints to prevent powder accumulation. A specialized waste-oil containment tray and a fully sealed control panel protect internal electronics from abrasive dust and liquid contamination.
• Automated Demolding Cycle: Once the pressing sequence is complete, the operator simply presses the dedicated demold button. The automated piston retraction system safely ejects the sample pellet, minimizing handling time and reducing the risk of manual pellet damage.

Applications

Technical Specifications

Main Instrument Parameters

Component Layout Diagram & Breakdown

Standard 10-Step Operational Protocol (Boric Acid Mold Example)

1. Positioning: Lower the piston to the starting position. Place the charging funnel base so it firmly contacts the top face of the mold.
2. Powder Loading: Add approximately 5g of sample powder into the mold center, ensuring even distribution across the bottom.
3. Leveling: Use the specialized leveling tool to gently press and flatten the raw sample powder.
4. Boric Acid Backing: Slowing pour boric acid backing material into the outer circular gap, fully encapsulating the sample.
5. Cleaning: Use a fine brush to clean any stray boric acid particles from the inner rim.
6. Mold Assembly: Verify the combined weight of the sample and backing matches the mold capacity, then insert the upper mold assembly.
7. Clamping: Slide the assembled mold into the pressing zone and securely lock the crossbar swing lever.
8. Clearance Adjustment: Rotate the top screw to set a clearance of 0.5 mm to 1.0 mm between the screw end and the mold cap.
9. Execution: Set the desired target pressure and dwell parameters on the PLC, then press "Start" to initiate compression.
10. Ejection: After the cycle completes, press "Demold" to activate automatic piston ejection, and carefully retrieve the finished pellet.

Why Choose This Product

• Industrial-Grade Reliability: Crafted using premium alloys, heavy-duty guide columns, and import-grade valves, this system guarantees long-term dimensional stability and structural integrity even when operated at maximum capacity.
• Unmatched Analytical Repeatability: The combination of PLC program control and precision closed-loop pressure feedback guarantees that every sample is subjected to the exact same compaction force and dwell profile, removing human error from your analytical chain.
• Advanced Safety Integration: Designed with active safety in mind, featuring mechanical travel limits, motor overload protection, and an instantaneous safety dump valve, protecting high-value molds from damage.
• Extensive Material Compatibility: Whether utilizing boric acid cups, steel rings, or aluminum cups, the flexible control architecture provides optimized, programmable pressure profiles tailored specifically for each consumable standard.
• Responsive Engineering & Global Support: Every unit is backed by a comprehensive warranty, expert calibration support, and custom mold engineering services to accommodate unique laboratory requirements.

For more information, a detailed quotation, or to discuss custom tooling solutions tailored to your laboratory's needs, please contact our technical sales team today.

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