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BQM Series Planetary Ball Mill
Description:
Vertical planetary ball mill BQM series (mini model) is a powerful desktop operating model with small size, full functions, high efficiency and low noise. It can 4 pots grinding and can produce 4 sample materials at a time. The extremely high centrifugal forces of Planetary Ball Mills result in very high pulverization energy and therefore short grinding times. Suitable for all industries where the quality control process places the highest demands on purity, speed, fineness and reproducibility. This series of grinding mill can be equipped with vacuum jars, which can grind samples in a vacuum state. It is very suitable for research tasks such as scientific research institutions, universities, and corporate laboratories from the experimental end to the production end to verify the feasibility of mass production, as well as routine tasks such as mixing and homogenizing soft, hard, brittle or fibrous materials.
Category：
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| Lossless size reduction to sub-micron range
| Wet grinding produces particle sizes in the nanometer range (<100 nm)
| Variable speed from 10 to 800 rpm, speed ratio 1:2
| Batch processing, up to 4 x 70/220 ml samples, can process 4 samples simultaneously
| Oil seal silent invention patent design, low noise and longer service life(Patent number: CN 2016 2 0215835.8; Patent number: ZL 2014 2 0375569.3)
| Intelligent digital screen display, convenient parameter setting, one-touch operation
| Can store 3 modes and 15 plans
| Power-off protection memory self-start function
| Can be used for dry grinding, wet grinding, vacuum grinding, and atmosphere-protected grinding
| Engineering-grade thickened high-strength plastic cover, the machine stops when the cover is opened, and the self-acting lock prevents loosening, ensuring safety
The machine stops when the lid is opened, and the self-acting lock to prevent loosening
The YXQM series of planetary ball mills are safe to operate. They are equipped with a safety switch device. The machine will stop when the cover is opened and the equipment cannot start running when the cover is opened. This ensures the safety of the operator and prevents accidental injuries.
The self-acting lock can prevent the tank from loosening during operation, ensure safety and avoid damage to the core components of the equipment.
To produce very fine particles of 100 nm or less (nano-scale grinding) by wet grinding, friction rather than impact is required. This is achieved by using a large number of small grinding balls which have a large surface and many friction points. The ideal filling level of the jar should consist of 60 % small grinding balls.
Innovative & Outstanding Grinding Jar
The jar is made of refined molds or high-precision polishing, with extremely high smoothness of the inner and outer walls, and the bottom adopts a large R angle design that is more difficult to make, which can effectively reduce the phenomenon of materials sinking to the bottom during the grinding process.
The jar opening adopts a more ergonomic grip step to prevent hands from slipping and make it easier to take/put down the grinding jar.
BQM Series Detail Processing
Typical sample materials
Planetary ball mills are ideal for metal oxides, alloys, carbon fiber, ceramics, charcoal, chemical products, clay minerals, coal, coke, compost, concrete, electronic scrap, fibers, glass, gypsum, hair, catalysts, cellulose, cement clinker, bentonite, bones, hydroxyapatite, iron ore, kaolin, limestone, minerals, ores, paints and varnishes, paper, pigments, plant materials, polymers, quartz, seeds, semi-precious stones, sewage sludge, slag, soil, tissue, tobacco, waste samples, wood, etc.
Technical Parameters
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Applications |
Crushing, mixing, homogenizing, colloid grinding, mechanical alloying, mechanochemistry |
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Field of application |
New energy, geology/metallurgy, glass/ceramics, engineering/electronics, building materials, environment/recycling, agriculture, chemistry, medicine, biology |
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Feed material |
Soft, hard, brittle, fibrous—dry or wet |
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Size reduction principle |
Impact force, friction |
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Material Feed Size |
< 3 mm |
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Final Fineness * |
Used for colloid grinding, the sample is less than 0.1 micron |
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No. of Grinding Stations |
4 |
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Grinding method |
Can be dry grinding, wet grinding, vacuum grinding, atmosphere protection grinding |
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Grinding jar material |
Stainless steel, carbide, zirconium oxide, aluminum oxide, silicon carbide, silicon nitride, polyurethane, nylon, polytetrafluoroethylene, agate |
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Speed ratio |
1 : 2 |
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Operation Mode |
3 types: unidirectional, alternating forward and reverse, multi-stage |
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Storable SOPs |
15 |
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Time setting |
Intelligent screen display digital settings，Run/stop time: 0-9999 minutes |
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Power protection |
Power-off protection memory self-start function |
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Model |
BQM-0.4L |
BQM-1L |
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Grinding jar capacity |
50-100ml |
50-250ml |
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Vacuum jar capacity |
50-100ml |
50-100ml |
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Revolution speed |
5-450r/min |
5-450r/min |
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Rotation speed |
10-900r/min |
10-900r/min |
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Power |
0.55KW |
0.55KW |
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Voltage |
Single phase, 220V/50Hz |
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Dimension(W x H x D) |
745 x 525 x 580 mm |
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Weight |
55kg |
57kg |
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*Affected by sample material properties and instrument configuration/settings |
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Working Principle
The grinding jar is eccentrically located on the sun wheel of the planetary ball mill. The sun wheel moves in the opposite direction of the grinding jar in a ratio of 1:2, and the grinding balls in the grinding jar are subjected to a superimposed rotational motion, the so-called Coriolis force.
The speed difference between the balls and the grinding jars creates an interaction between friction and impact forces, which releases high dynamic energy. The interaction between these forces makes the material size reduction in planetary ball mills high and very efficient.
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