Ball and Rod mills

Versatile Milling Solutions — From Laboratory Micro Ball Mills to Large Process Ball and Rod Mills

Ball and rod mills are versatile grinding solutions widely used in laboratory and industrial applications to reduce material to fine powders or desired particle sizes. These mills include specialized types such as planetary ball mills, standard ball mills, continuous ball mills, and rod mills, each tailored to specific tasks. Planetary ball mills offer high-energy grinding with their multi-directional movement, making them ideal for ultra-fine grinding and mixing in research settings.

Standard ball mills are commonly used for batch processes, effectively grinding materials into powders. Continuous ball mills provide uninterrupted operation, making them suitable for high-throughput industrial processes. Rod mills, on the other hand, use long steel rods as grinding media, excelling at grinding coarser materials and producing uniform particle sizes. Together, these mills cater to a wide range of grinding applications, from laboratory-scale research to large-scale industrial production.

LMLW320 Lab Wizz 320 Micro Ball Mill


Laboratory micro ball mill for homogenizing, mixing, and milling various types of materials.

  • Feed size*: < 50 ml
  • End-fineness*: < 5 µm*

Product Overview

LMPBM1000 Planetary Ball Mill


Planetary ball mill for grinding and milling with up to four 500 ml grinding jar positions.

  • Grinding jar positions: 1–4
  • Feed size*: ≤ 10 mm
  • End-fineness*: ≤ 1 µm*

Product Overview

LMPBM4000 Planetary Ball Mill


Largest planetary ball mill with up to eight 500 ml grinding jar positions.

  • Grinding jar positions: 4–8
  • Feed size*: ≤ 10 mm
  • End-fineness*: ≤ 1 µm*

Product Overview

LMBRM Ball and Rod Mill


The LM-BRM is suitable for normal and Bond grinding with rods or grinding balls.

  • Drum volume: 1, 6, 12, 21 or 42 L
  • Speed setting: 10–70 rpm

Product Overview

LMBM Ball Mill


The LM-BM is a process and laboratory machine suitable for milling and homogenizing soft, fibrous, hard, and brittle materials in dry and wet conditions.

  • Drum volume: 150–450 L
  • Speed setting: 7–33 rpm

Product Overview

LMCBM Continuous Ball Mill


The continuous ball mill is a type of grinder used to grind and blend materials.

  • Drum volume: 500 L
  • Speed setting: 9–46 rpm

Product Overview

*depending on feed material and instrument configuration / settings

Ball & Rod Mills FAQ (Frequently Asked Questions)

Ball and rod mills are used to grind, homogenize and reduce samples to fine powders for analytical testing, quality control and material development in labs and industrial settings.

A planetary ball mill uses multiple grinding jars mounted on a rotating sun wheel, creating high centrifugal forces for very fine milling down to sub-micron particle sizes.

Ball mills use spherical media that deliver impact and attrition forces for fine grinding, while rod mills use long rods that produce uniform, coarse particle sizes with minimal fines.

Yes. LAARMANN ball and rod mills can be configured for dry or wet milling, depending on your sample and desired output.

Choose based on sample volume, desired final size, throughput, and whether you need high-energy fine grinding (planetary), continuous operation, or large batch milling.