360° Planetary Ball Mill OPBM-(8-12) 1.5kW ATOMFAIR®

Price range: $7,264.00 through $21,552.00

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OPBM-(8-12) 360° planetary ball mill with 1.5kW drive, 0–580 rpm jar speed, 8–12 L capacity, 0.1μm discharge, and touchscreen control.

SKU: AFOPBM812
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OPBM-(8-12) 360° ROTATING PLANETARY BALL MILL 1.5KW OMNIDIRECTIONAL

LABORATORY & PRODUCTION GRADE EQUIPMENT

Product Overview

The OPBM-(8-12) is a compact laboratory and production-grade omnidirectional planetary ball mill for ultra-fine grinding and homogenization. With a 360° overturning planetary disk on its vertical planetary structure, it delivers full 360° grinding coverage inside jars to produce finer, more uniform powder and eliminates common issues of material sedimentation and wall adhesion. Powered by a 1.5kW drive system, it has a jar rotation speed of 0–580 rpm and a Φ275 mm jar orbit diameter, supports up to 4 simultaneous grinding jars with a total volume range of 8–12L (2–3L per single jar), accepts feed sizes ≤3mm (≤10mm for soil) and achieves a final discharge size down to 0.1μm. It adopts gear drive with inverter stepless speed regulation, is equipped with a touchscreen control system featuring forward/reverse alternation, timing and power-off memory, and comes with a brake-locking overturn motor for safe stopping at any angle. With overall dimensions of 1360×850×930 mm and a net weight of 430 kg, it is widely applicable to R&D and small-batch production across multiple industries; the listed price covers the main machine only, and grinding jars and media are available for separate order.

Technical Parameters

Model Jar Rotation Speed (rpm) Jar Holder ID (mm) Motor Power Jar Orbit Diameter (mm) Overall Dimensions (mm) Net Weight (kg)
OPBM-0.4 0~870 80 250W Φ140 900×570×666.5 136
OPBM-(2-6) 0~670 134 0.75KW Φ234 1330×810×860 305
OPBM-(8-12) 0~580 162 1.5KW Φ275 1360×850×930 430
OPBM-16 0~510 182 3KW Φ320 1530×1018×1100 580
OPBM-20 0~430 222 4KW Φ385 1700×1210×1300 1180
OPBM-40 0~390 250 5.5KW Φ430 1900×1450×1480 1430
OPBM-100 0~240 326 11KW Φ578 2939×1680×2450 3900

General Technical Parameters

Item Specification
Transmission Mode Gear drive
Working Mode Two or four grinding jars working simultaneously
Max. Loading (Material + Grinding Balls) Two-thirds of jar volume
Jar Volume 0.05L–3L per jar, total 0.2L–12L
Feed Size Soil ≤10mm; others ≤3mm
Discharge Size Down to 0.1μm (varies by material and process)
Speed Ratio (Revolution : Rotation) Refer to main parameters
Rotation Speed Refer to main parameters
Speed Control Stepless speed regulation by brand inverter

Standard Configuration

Item Description
Main grinding unit 1 pc (Included in Price)
Grinding jars Compatible with 4 × 2 L jars (total 8 L) or 4 × 3 L jars (total 12 L) (Order Separately)
Available Materials: WC-Co · Al₂O₃ · Agate · YSZ · SS · PU · Ceramic · Nylon
Grinding balls 40% of the jar capacity (Order Separately)
Available Materials: WC-Co · Al₂O₃ · Agate · YSZ · SS · IC-PU

Product Features

  • Professional industrial exterior design with lean manufacturing and exquisite workmanship.
  • Machined parts adopt CNC technology; transmission gears are precision-made from special materials, ensuring stable, safe and low-noise high-speed operation.
  • The overturning motor features brake locking, allowing stopping at any angle safely and reliably.
  • Equipped with a microcomputer touch screen for convenient operation and a simple, intuitive interface.
  • Supports forward and reverse alternating control with timer and power-off memory functions.
  • Optional integrated microcomputer touch-screen PLC control panel.

PACKAGING: This listing is priced for the OPBM-(8-12) main unit only. The standard configuration includes 1 pc grinding host machine with 360° overturning mechanism, gear drive transmission, and brand-name inverter speed control. Grinding jars and grinding balls are ordered separately. The OPBM series is available from 0.4 L through 100 L models. Installation guidance and operational training support are provided upon request.
IMPORTANT NOTICE: The listed price is for the main unit; grinding jars and balls must be ordered separately. Select jar and ball materials compatible with your target material to avoid cross-contamination. The overturning mechanism requires adequate clearance space around the equipment for safe 360° rotation. For detailed installation, operation, and maintenance instructions, consult the user manual prior to first use. If you have specific requirements for other OPBM models or custom configurations, please contact us at inquiry@atomfair.com.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®

The mill requires adequate clearance space for safe 360° rotation and must be operated with proper electrical grounding. Material loading must not exceed two-thirds of jar volume, and jar and ball materials must be compatible with the target material to avoid cross-contamination.

  • Clearance Space: Adequate clearance space around the mill is required for safe 360° rotation of the overturning mechanism.
  • Loading Limit: The maximum loading of material plus grinding balls is two-thirds of the jar volume.
  • Feed Size: Feed size must be ≤3 mm for most materials and ≤10 mm for soil.
  • Material Compatibility: Select jar and ball materials compatible with the target material to avoid cross-contamination.
  • Safe Stopping: The brake-locking overturn motor must be engaged to secure the disk at a safe angle before jar removal.

This procedure describes the safe initialization and operation of the omnidirectional ball mill for ultra-fine grinding. Follow the steps to load materials, set parameters, and run the mill with proper safety precautions.

Required Equipment: OPBM-(8-12) 360° Rotating Planetary Ball Mill

  1. Inspect Clearance
    Inspect the mill and confirm adequate clearance space around the equipment for safe 360° rotation.
  2. Select Compatible Jars and Balls
    Select grinding jars and balls made of materials compatible with the target material to avoid cross-contamination.
  3. Load Material and Balls
    Load the material and grinding balls into the jars up to two-thirds of the jar volume.
  4. Secure Jars and Lock Mechanism
    Secure the jars onto the jar holders and lock the overturning mechanism in the desired position.
  5. Set Parameters
    Set the rotation speed, grinding time, and direction (forward/reverse) on the touchscreen control panel.
  6. Start and Monitor
    Start the mill and monitor the grinding process until completion.
  7. Stop and Secure
    Stop the mill and engage the brake-locking motor to hold the disk at a safe angle for jar removal.

How does the 360° overturning mechanism improve grinding uniformity compared to conventional planetary ball mills?

The 360° overturning planetary disk rotates the entire jar assembly through a full vertical axis during operation, preventing material sedimentation and wall adhesion that commonly occur in fixed-angle mills. This ensures continuous exposure of the powder to grinding media, producing finer and more uniform particle distributions down to 0.1 μm discharge size.

Which jar materials are compatible with the OPBM-(8-12) for contamination-sensitive grinding applications?

The OPBM-(8-12) accepts jars in WC-Co, Al₂O₃, Agate, YSZ, stainless steel, polyurethane, ceramic, and nylon. For zero-metal analysis, natural agate (SiO₂) jars are recommended; for high-wear resistance, YSZ or WC-Co jars are suitable. Jars and media must be ordered separately to match the target material and avoid cross-contamination.

What clearance space is required for safe operation of the 360° overturning mechanism?

Adequate clearance around the equipment is necessary to accommodate the full 360° rotation of the overturning planetary disk. The unit dimensions are 1360×850×930 mm with a net weight of 430 kg; the overturning motor includes a brake-locking feature that allows safe stopping at any angle. Consult the user manual for specific minimum clearance distances before installation.

The OPBM-(8-12) 360° rotating planetary ball mill delivers omnidirectional grinding via a 1.5 kW gear-drive system with 0–580 rpm jar speed and 275 mm orbit diameter, supporting 8–12 L total jar volume for ultra-fine milling down to 0.1 μm. Its 360° overturning mechanism mitigates sedimentation and wall adhesion, but requires adequate clearance for safe operation and necessitates separate procurement of jars and media.

Positive

  • 360° overturning eliminates sedimentation: The omnidirectional planetary disk rotates the jar assembly through a full 360° arc, preventing material sedimentation and wall adhesion during grinding, which improves powder uniformity and yield.
  • Broad jar material compatibility: Accepts jars in WC-Co, Al₂O₃, agate, YSZ, stainless steel, PU, ceramic, and nylon, allowing users to match jar chemistry to sample requirements and avoid cross-contamination.

Trade-offs

  • Jars and media ordered separately: The listed price covers only the main grinding unit; grinding jars and balls must be purchased separately, increasing total system cost and requiring careful material selection for compatibility.
  • Clearance needed for 360° rotation: The overturning mechanism requires adequate clearance space around the equipment to safely perform full 360° rotation, which may constrain placement in crowded lab environments.

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

Weight 430 kg
Dimensions 136 × 85 × 93 cm
Combinations

Main Unit, Main Unit +4×2L Al₂O₃ Jars & Media, Main Unit +4×2L YSZ Jars & Media, Main Unit +4×2L Agate Jars & Media, Main Unit +4×3L Al₂O₃ Jars & Media, Main Unit +4×3L YSZ Jars & Media, Main Unit +4×3L Agate Jars & Media