Planetary Ball Mills
Vertical Square Planetary Ball Mill for Laboratory Sample Preparation and Nanoscale Grinding
Item Number: PP-BM18
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Product Overview
This vertical square planetary ball mill delivers high-energy grinding and mixing for laboratory sample preparation. The unit supports dry, wet, vacuum, and cryogenic grinding, achieving nanometer particle sizes down to 0.1 µm. It is designed to process up to four samples simultaneously, significantly boosting R&D throughput. The compact footprint and robust construction make it a reliable workhorse in demanding laboratory environments.
Its applications span a wide range of industries, including electronics, ceramics, mining, metallurgy, and pharmaceuticals. Whether preparing battery electrode powders, ceramic dielectric materials, or geological samples for analysis, this system provides consistent, repeatable results. The flexibility to accommodate various jar materials and sizes ensures compatibility with diverse material types and contamination requirements.
Engineered with a precision die-stamped square housing and CNC-machined internal components, the equipment minimizes vibration and noise while maximizing stability. The advanced planetary drive system, combined with high-quality gears and a cast planetary disk, guarantees smooth operation under continuous high-speed runs. Safety interlocks and low-maintenance design instill confidence for round-the-clock laboratory use.
Key Features
- Precision Gear System: CNC-machined sun and planetary gears, crafted from specially selected materials, ensure quiet, vibration-free operation even at maximum speed. This design minimizes wear and extends service life, providing consistent grinding energy across thousands of hours.
- Adaptive Speed Control: A variable frequency drive enables continuous adjustment of rotation speed, allowing fine-tuning of impact energy for materials ranging from soft polymers to hard ceramics.
- Versatile Grinding Modes: Supports dry, wet, vacuum, and low-temperature grinding, accommodating a wide range of processing requirements with interchangeable jar materials such as stainless steel, alumina, zirconia, and agate.
- Intelligent Touchscreen Control: Features a programmable LCD interface for setting speed, runtime, and forward/reverse cycles, with multi-task monitoring and data logging for reproducible protocols.
- Modular Jar Clamping: The press-fit jar clamping mechanism secures containers firmly without tools, enabling rapid changeovers between jar sizes and materials.
- Enhanced Safety: Equipped with an electromagnetic door lock, opening/closing protection switch, and anti-loosening nuts to prevent accidents during operation.
- Low-Noise Operation: The gearbox incorporates solid or liquid oil self-lubrication, reducing noise levels to below 60 dB, making it suitable for shared workspaces.
- Compact Robust Design: The square chassis formed by precision die stamping enhances stability and effectively dampens vibration, while the cast planetary disk ensures concentricity and long-term alignment.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Lithium-ion battery cathode/anode materials | Preparation of LiCoO₂, LiFePO₄, and graphite powders under strict purity requirements | Zirconia jars and balls prevent metal contamination, preserving electrochemical stability |
| MLCC dielectric ceramics | Uniform dispersion of barium titanate-based powders to submicron size prior to tape casting | Tight particle size distribution enhances dielectric constant and reliability |
| Rare earth phosphors for LED/lamps | Comminution of YAG and Eu-doped oxides for phosphor applications | Achieves high brightness and uniform luminescence without damaging crystal structure |
| Nanocatalyst synthesis | Mechanical activation of catalyst supports (ceria, alumina) for automotive and chemical catalysis | Increased surface area and defect sites improve catalytic activity |
| Mechanical alloying of advanced alloys | Synthesis of ODS alloys, intermetallics, and high-entropy alloys under vacuum or argon | Inert atmosphere grinding prevents oxidation, enabling novel alloy formation |
| Cement and geopolymer raw mix | Laboratory-scale grinding of clinker, slag, and fly ash blends for binder formulation | Reliable simulation of industrial milling for qualitative performance prediction |
| Pharmaceutical active ingredients | Wet milling of API suspensions for bioavailability enhancement | Low-contamination jars (PTFE, agate) meet GMP requirements with easy cleaning |
| Geological and environmental sample preparation | Standardized pulverization for XRF and ICP analysis | Agate jars ensure zero background metal, complying with ASTM and ISO methods |
| Magnetic ferrite powders | Fine grinding of Mn-Zn and Ni-Zn ferrite powders for inductor cores | High-energy input achieves desired intrinsic coercivity through controlled grain size |
| Food and nutraceutical research | Grinding of cereals, spices, and freeze-dried ingredients for nutritional studies | Food-grade jar materials prevent cross-contamination; cryogenic option preserves volatiles |
Technical Specifications
Main Unit Specifications
| Model | Jar Self-Speed (rpm) | Jar Seat Inner Diameter (mm) | Motor Power | Jar Revolution Diameter (mm) | Dimensions (mm) | Net Weight (kg) |
|---|---|---|---|---|---|---|
| PP-BM18-0.2 | 0~1160 | 50 | 90 W | Φ111 | 420×260×310 | 25 |
| PP-BM18-0.2S | 0~1160 | 50 | 90 W | Φ111 | Equipment: 390×220×270, Control box: 200×180×240 | 29 |
| PP-BM18-2 | 0~670 | 134 | 0.75 kW | Φ234 | 760×470×580 | 100 |
| PP-BM18-8 | 0~580 | 162 | 1.5 kW | Φ275 | 900×600×640 | 168 |
| PP-BM18-20 | 0~430 | 222 | 4 kW | Φ385 | 1200×790×930 | 392 |
| PP-BM18-40 | 0~390 | 250 | 5.5 kW | Φ430 | 1400×880×1070 | 656 |
| PP-BM18-60 | 0~260 (1:1.5) | 275 | 7.5 kW | Φ490 | 1600×1070×1250 | 950 |
| PP-BM18-100 | 0~240 (1:1.5) | 326 | 11 kW | Φ578 | 1750×1140×1330 | 1300 |
| PP-BM18-200 | 0~215 | 460 | 22 kW | Φ738 | 2670×1600×2804 | 2725 |
Compatible Grinding Jars
| Category | Jar Type | Material | Available Volumes | Key Features | Typical Applications |
|---|---|---|---|---|---|
| Metal | 304 Stainless Steel | SUS304 | 50 mL–25 L | Durable, cost-effective, customizable for vacuum | General chemicals, alloys, soils, ores |
| Metal | Tungsten Carbide | WC-Co | 50 mL–2 L | Ultimate wear resistance, extremely long life, ultra-high density | Superhard materials (SiC, diamond), high-value ultrafine grinding |
| Ceramics | Zirconia (Y-TZP) | Y-stabilized ZrO₂ | 50 mL–5 L | High purity, zero metal contamination, high toughness, excellent wear | Li-ion battery materials, electronic ceramics, pharma nanopowders |
| Ceramics | Alumina (Corundum) | α-Al₂O₃ | 25 mL–3 L | Very high hardness (Mohs 9), economical, temperature resistant | Ceramic glazes, refractories, quartz |
| Polymer | Nylon (PA66) | Pure nylon | 25 mL–2 L (large sizes SS jacket) | Light, non-metal contamination, anti-rust, suitable for wet grinding | Precious metal powders, pigments, coatings |
| Polymer | PTFE (Teflon) | Pure PTFE | 25 mL–2 L (large sizes SS jacket) | Chemical inertness, resists all acids/bases, non-stick | Highly corrosive systems, ultra-pure synthesis |
| Polymer | Polyurethane (PU) | Wear-resistant PU | 100 mL–1 L | Elastic, dampens, prevents caking | Electronic pastes, battery slurries, inks |
| Natural | Agate | Natural agate | 50 mL–2000 mL | 100% metal-free, lab gold standard for analysis | Geological/environmental sample prep, food/drug testing |
| Composite | SS-Jacketed Zirconia | SS outer, thick ZrO₂ liner | 2.5 L–25 L | Large capacity with high purity, combines strength and wear resistance | Scale-up production of battery materials, electronic ceramics |
Grinding Media
| Media Type | Material | Density (g/cm³) | Hardness | Available Sizes | Key Features | Recommended Applications |
|---|---|---|---|---|---|---|
| Stainless Steel Balls | 304/316 SS | ~7.9 | HRC 20–30 | Φ1–30 mm | Economical, good impact, corrosion resistance | Coarse/medium grinding, non-sensitive materials |
| Zirconia Balls | Y-TZP | 6.0 | HV ≥1250 | Φ0.1–30 mm | Ultra-low wear, high purity, efficient, universal for high-end | Li-ion battery, electronic ceramics, pharma, pigments |
| Agate Balls | Natural agate | ~2.65 | Mohs 7 | Φ3–20 mm | Absolute purity, chemically inert | Lab analysis, food/drug testing, metal-sensitive research |
| Alumina Balls | High-alumina | 3.6–3.9 | Mohs 9 | Φ1–50 mm | Highest hardness among ceramics, cost-effective | Ceramics, refractories, non-metal minerals |
| PU-Coated Iron Core | Iron core, PU jacket | Variable ~3.5–5.5 | Shore A 80–95 | Φ15–30 mm | Cushions impact, reduces noise, protects crystal structure | Pastes, slurries, dispersions, sensitive materials |
| Tungsten Carbide Balls | WC-Co | 14.5–15.0 | HRA 88–93 | Custom | Ultimate hardness and density, extreme wear resistance | Superhard materials, high-value nano grinding |
For optimal performance, jar and media selection should be based on material hardness, contamination sensitivity, and target particle size. Our application engineers provide personalized pairing recommendations.
Why Choose This Product
- Engineered for Durability: All gears and bearings are housed in a sealed, oil-lubricated transmission, isolating them from dust and prolonging maintenance intervals. The cast planetary disk guarantees concentricity, reducing imbalance and noise over thousands of hours.
- Versatile Product Ecosystem: Beyond standard jar options, we offer custom vacuum jars, temperature-resistant jars, and large-capacity stainless-steel jacketed zirconia jars for pilot production. Our team assists in selecting optimal jar and ball pairings based on material properties.
- Safety Without Compromise: The electromagnetic door lock stops the mill instantly if the lid is opened, while anti-loosening nut designs prevent jar fly-off. These features comply with CE safety directives and enhance operator confidence.
- Turnkey Solution Provider: We supply not only mills but also a complete range of grinding jars, balls, and accessories. This one-stop shop ensures full compatibility and simplifies procurement.
- Proven Track Record: With installations in leading universities, corporate labs, and battery manufacturers worldwide, our mills have demonstrated consistent performance in the most demanding applications. Contact us today to discuss how we can configure a system to meet your exact material processing needs.
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