Description
ATOMFAIR DPBM-4 DUAL PLANETARY BALL MILL 4L VARIABLE FREQUENCYLABORATORY GRADE EQUIPMENT
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFair®
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The DPBM-4 main unit requires a stable, level surface and a 220V-50Hz power supply for safe operation. Grinding jars and balls must be ordered separately and selected for material compatibility to avoid cross-contamination and over-grinding.
- Material Compatibility: Select jar and ball materials compatible with the target material to avoid cross-contamination.
- Over-Grinding Prevention: Adjust speed and grinding time to avoid over-grinding due to the high-energy dual planetary design.
- Electrical Requirement: Operate only on a 220V-50Hz supply with the specified motor power of 0.75 kW.
- Sound Level: Expected noise level is 60±5 dB; hearing protection may be advisable.
- Installation: The main unit weighs 250 kg and requires stable placement on a level surface.
Steps to safely initialize and operate the DPBM-4 dual planetary ball mill. Ensure proper jar selection and parameter settings before starting the grinding process.
Required Equipment: Grinding jars (order separately), Grinding balls (order separately), Variable frequency controller, User manual
- Select materials
Select grinding jars and balls materials compatible with your target material to avoid cross-contamination. - Inspect main unit
Inspect the main unit for secure placement on a level surface and verify the power supply is 220V-50Hz. - Install jars and balls
Install the selected grinding jars and fill with grinding balls at approximately 40% of jar capacity. - Set timing parameters
Set total running time (1-9999 min) and forward-reverse alternating time (1-999 min) using the variable frequency controller. - Start grinding
Start the mill and monitor for normal operation listening for unusual noise or vibration. - Stop and cool
After completion, stop the mill and allow jars to cool before opening.
How does the DPBM-4's dual planetary design affect grinding energy and particle size compared to standard planetary ball mills, and what adjustments are needed to avoid over-grinding?
The dual planetary design multiplies centrifugal force on grinding balls, enabling nanometer-scale particle sizes through enhanced collision, shearing, and friction. However, because this structure delivers significantly higher energy than standard planetary mills, users must adjust speed (revolution 70–560 rpm, rotation 140–1120 rpm) and grinding time (1–9999 min total) to avoid over-grinding. The variable frequency speed control allows fine-tuning.
What jar and media materials are compatible with the DPBM-4, and how should researchers select them to prevent cross-contamination when grinding different sample types?
The DPBM-4 accepts 1000 ml grinding jars (50–1000 ml vacuum jars also available) in materials including WC-Co, Al₂O₃, Agate, YSZ, SS, PU, Ceramic, and Nylon, with corresponding grinding ball media in WC-Co, Al₂O₃, Agate, YSZ, SS, and IC-PU. Researchers must order jars and balls separately and select materials compatible with their target sample to prevent cross-contamination, as the high-energy dual planetary action can exacerbate contamination if mismatched.
What are the infrastructure requirements for installing the DPBM-4 dual planetary ball mill, including power supply, space, and noise considerations?
The DPBM-4 requires a 220V-50Hz power supply with a 0.75 kW motor, and has a net weight of 250 kg with overall dimensions of 1150×800×760 mm, so it needs a sturdy, level work surface. Operational noise is 60±5 dB, comparable to a loud conversation, but the precision gear drive ensures stable, low-noise operation. Variable frequency control and programmable forward-reverse alternating (1–999 min) enable customized protocols, but first-time users must consult the manual for proper installation and operation.
The DPBM-4 Dual Planetary Ball Mill delivers high-energy grinding via a dual planetary structure with larger revolution radius, enabling nanometer-scale particle size reduction. It offers variable frequency speed control (70–560 rpm revolution, 140–1120 rpm rotation) and programmable timing (1–9999 min). However, the main unit is sold without grinding jars or media, requiring separate procurement, and its higher energy output demands careful speed and time adjustment to prevent over-grinding.
Positive
- High-energy dual planetary design: The dual planetary structure multiplies centrifugal force through larger revolution radius and rotation speed, significantly enhancing collision, shearing, and friction for efficient grinding down to nanometer scale.
- Versatile jar and mode compatibility: Accepts 1000 ml grinding jars (50–1000 ml vacuum jars available) and supports dry, wet, and vacuum grinding modes, with programmable forward-reverse alternating times for customized protocols.
Trade-offs
- Main unit only – jars sold separately: The listed price covers only the DPBM-4 main unit; grinding jars and balls must be ordered separately, adding procurement steps and cost before operation.
- Over-grinding risk at high energy: The dual planetary structure delivers significantly higher energy than standard planetary mills, requiring careful adjustment of speed and grinding time to avoid over-grinding the material.
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). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
