360° Planetary Ball Mill OPBM-(2-6) 0.75kW ATOMFAIR®

Price range: $5,308.00 through $12,948.00

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Laboratory 360° planetary ball mill with 0.75kW drive, 0–670 rpm jar speed, 2–6L total jar capacity, and 0.1μm discharge size. Order now.

SKU: AFOPBM26
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OPBM-(2-6) 360° ROTATING PLANETARY BALL MILL 0.75KW OMNIDIRECTIONAL

LABORATORY GRADE EQUIPMENT

Product Overview

The OPBM-(2-6) is a compact laboratory-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 0.75kW drive system, it has a jar rotation speed of 0–670 rpm and a Φ234 mm jar orbit diameter, supports up to 4 simultaneous grinding jars with a total volume range of 2–6L (0.5–1.5L 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 1330×810×860 mm and a net weight of 305 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–1.5L per jar, total 0.2L–6L
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 × 0.5 L jars (total 2 L) or 4 × 1.5 L jars (total 6 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-(2-6) 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®

This equipment requires adequate clearance space for safe 360° rotation and a stable, level installation surface. The 0.75kW drive system must be operated within its specified loading limits to prevent imbalance and mechanical stress.

  • Clearance Requirement: Ensure adequate clearance space around the equipment for safe 360° rotation of the overturning mechanism.
  • Jar Loading Limit: Do not fill grinding jars beyond two-thirds of their volume with material and grinding balls to prevent overloading and spillage.
  • Material Compatibility: Select jar and ball materials that are chemically compatible with the sample to avoid cross-contamination and equipment damage.
  • Brake-Locking Safety: Activate the brake-locking system before performing any jar adjustments or maintenance to prevent unintended movement.

This procedure describes the safe operation of the omnidirectional planetary ball mill for ultra-fine grinding. Follow the steps in order to ensure proper loading, parameter setting, and shutdown.

  1. Mount Grinding Jars
    Mount the grinding jars onto the jar holders and secure them with the locking mechanism.
  2. Load Material and Media
    Load the material and grinding balls into each jar, ensuring total volume does not exceed two-thirds of the jar capacity.
  3. Set Parameters
    Set the desired rotation speed, run time, and direction using the touchscreen control panel.
  4. Engage Safety and Start
    Engage the brake-locking system and start the mill, monitoring for any unusual vibrations or noise.
  5. Stop and Retrieve
    Stop the mill after the set time and allow the jars to come to a complete stop before opening the cover and removing the ground powder.

How does the 360° overturning planetary disk in the OPBM-(2-6) improve grinding uniformity compared to conventional planetary ball mills?

The 360° overturning planetary disk provides full 360° grinding coverage inside jars, which eliminates common issues of material sedimentation and wall adhesion, resulting in finer and more uniform powder. This is achieved by the vertical planetary structure with an overturning mechanism that reorients the jars during operation.

What grinding jar materials are available for the OPBM-(2-6) to avoid cross-contamination in sensitive material processing?

The OPBM-(2-6) is compatible with grinding jars made from WC-Co, Al₂O₃, Agate, YSZ, SS, PU, Ceramic, and Nylon. Users must select jar and ball materials compatible with their target material to avoid cross-contamination, as stated in the product notice.

What safety features does the OPBM-(2-6) have for stopping the overturning mechanism at any angle?

The OPBM-(2-6) is equipped with a brake-locking overturn motor that allows safe stopping at any angle. Additionally, the microcomputer touch screen includes power-off memory and forward/reverse alternation control. Adequate clearance space around the equipment is required for safe 360° rotation.

The OPBM-(2-6) omnidirectional ball mill integrates a 360° overturning mechanism to eliminate sedimentation and wall adhesion, enabling uniform submicron grinding down to 0.1 μm, but requires feed material ≤3 mm and separate ordering of jars and grinding media.

Positive

  • 360° Overturning for Uniform Grinding: The 360° rotating planetary disk delivers full grinding coverage inside jars, eliminating material sedimentation and wall adhesion for finer, more uniform powder.
  • Precision Control and Safety Features: Gear drive with inverter stepless speed regulation, touchscreen control with forward/reverse alternation, timer, and power-off memory, plus brake-locking overturn motor for safe stopping at any angle.

Trade-offs

  • Feed Size Limitation: Feed size is restricted to ≤3 mm for most materials (≤10 mm for soil), requiring pre-crushing for larger particles before milling.
  • Separate Purchase of Grinding Media: The main unit is sold without jars or grinding balls; these must be ordered separately and material compatibility verified to avoid cross-contamination.

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 305 kg
Dimensions 133 × 80 × 86 cm
Combinations

Main Unit, Main Unit +4×0.5L Al₂O₃ Jars & Media, Main Unit +4×0.5L YSZ Jars & Media, Main Unit +4×0.5L Agate Jars & Media, Main Unit +4×1.5L Al₂O₃ Jars & Media, Main Unit +4×1.5L YSZ Jars & Media, Main Unit +4×1.5L Agate Jars & Media