Sample Preparation
Sample preparation is a critical step in analytical processes, ensuring that materials are uniformly reduced in size and homogenized for accurate and reproducible test results. Various machines are used in sample preparation, each tailored to specific material properties and sample requirements. Jaw crushers are ideal for coarse, primary reduction of hard materials, breaking down large chunks into manageable sizes. Cutting mills provide rapid size reduction of softer or fibrous materials by shearing the sample with sharp blades.
For finer milling needs, ball mills are used, which grind samples through a combination of impact and friction, making them suitable for brittle and hard materials that need ultra-fine granularity. Disc mills, known for their consistent particle size output, are commonly used for medium to fine grinding of materials, creating a homogeneous sample ready for downstream analysis. By carefully selecting the appropriate equipment, laboratories can ensure sample consistency and reliability, crucial for accurate analytical results.
LMLW320 Lab Wizz 320 Micro Ball Mill
Laboratory micro ball mill for homogenizing and milling various types of materials.
- Feed size*: < 50 ml
- End-fineness*: ≤ 5 µm*
LMPBM1000 Planetary Ball Mill
Planetary ball mill for grinding and milling with up to 4 × 500 ml grinding jar positions.
- Grinding jar positions: 1–4
- Feed size*: ≤ 10 mm
- End-fineness*: ≤ 1 µm*
LMPBM4000 Planetary Ball Mill
Largest planetary ball mill with up to 8 × 500 ml grinding jar positions.
- Grinding jar positions: 4–8
- Feed size*: ≤ 10 mm
- End-fineness*: ≤ 1 µm*
LMBRM Ball and Rod Mill
The LM-BRM is suitable for normal and Bond grinding. Different drum sizes can be fitted due to the changeable opening.
- Drum volume: 1, 6, 12, 21 or 42 L
- Speed setting: 10–70 rpm
LMBM Ball Mill
Process and laboratory ball mill 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
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
CM100 Cutting Mill
Small to medium-sized cutting mill for rapid size reduction.
- Number of rotor knives: 3
- Number of stator knives: 4
- End-fineness*: < 2.0 mm
CM500 Cutting Mill
Medium-sized cutting mill for rapid size reduction.
- Number of rotor knives: 9
- Number of stator knives: 2
- End-fineness*: < 2.0 mm
CM1000 Cutting Mill
Medium-sized cutting mill for rapid size reduction.
- Number of rotor knives: 3
- Number of stator knives: 2
- End-fineness*: < 2.0 mm
CM2500 Cutting Mill
Large-sized cutting mill for rapid size reduction.
- Number of rotor knives: 12
- Number of stator knives: 2
- End-fineness*: < 2.0 mm
CM4000 Cutting Mill
Largest-sized cutting mill for rapid size reduction.
- Number of rotor knives: 18
- Number of stator knives: 2
- End-fineness*: < 2.0 mm
LMC50 Jaw Crusher
Compact jaw crusher designed for laboratory placement.
- Throughput*: 50 kg/h
- Feed size*: < 40 mm
- End-fineness*: < 1.5 mm
LMC100D Jaw Crusher
Powerful standard-sized jaw crusher.
- Throughput*: 250 kg/h
- Feed size*: < 120 × 90 mm
- End-fineness*: < 2.0 mm
LMC200D Jaw Crusher
Jaw crusher with larger grinding chamber and collector for higher throughput.
- Throughput*: 1,000 kg/h
- Feed size*: < 215 × 90 mm
- End-fineness*: < 4.0 mm
LMFC250 Fine Crusher
Powerful fine crusher with a low end-fineness for laboratory crushing.
- Throughput*: 500 kg/h
- Feed size*: ≤ 110 mm
- End-fineness*: < 1.6 mm
LMC400 Jaw Crusher
Large jaw crusher for high throughput and large feed size.
- Throughput*: 3,500 kg/h
- Feed size*: < 350 × 170 mm
- End-fineness*: < 6.0 mm
LMC500 Jaw Crusher
Largest jaw crusher for maximum throughput and feed size.
- Throughput*: 15,000 kg/h
- Feed size*: < 250 mm
- End-fineness*: < 12.0 mm
LMRC100 Roll Crusher
Compact roll crusher for controlled size reduction of materials.
- Feed size*: 30 mm
- End-fineness*: < 1 mm
LMRC200 Roll Crusher
Roll crusher designed for repeatable, uniform crushing with consistent output.
- Feed size*: 30 mm
- End-fineness*: < 1 mm
LMDM200 Disc Mill
The LM-DM200 Disc Mill is designed for fine grinding of soft to hard ores, alloys, rocks, ceramics, soils and similar materials.
- Feed size*: 20 mm
- End fineness*: < 100 µm
- Throughput*: 150 kg/h
LMMG100 Mortar Grinder
Mortar grinder for processing solid materials in dry, wet or cryogenic conditions.
- Feed size*: 8–10 mm
- End fineness*: 10–20 µm
- Speed: 50–130 rpm adjustable
LMUCM100 Ultra Centrifugal Mill
High-speed grinding machine to process soft to medium-hard materials using centrifugal force to reduce particles to fine powders.
- Feed size*: 10 mm
- End fineness*: < 40 µm
- Rotors: 6 / 12 / 24 teeth
LM250 Pulveriser Ring Mill
Compact and efficient ring mill designed for fast and reliable pulverising of small sample volumes.
- Throughput*: 20 cc – 300 cc
- Feed size*: < 25 mm
- End-fineness*: < 75 µm
LM1000 Pulveriser Ring Mill
Ring mill for fast pulverising and consistent end-fineness for larger sample volumes.
- Throughput*: 20 cc – 1000 cc
- Feed size*: < 25 mm
- End-fineness*: < 75 µm
LM2000 Pulveriser Ring Mill
High-capacity ring mill for fast pulverising of larger sample volumes.
- Throughput*: 20 cc – 2000 cc
- Feed size*: < 25 mm
- End-fineness*: < 75 µm
LM5000 Pulveriser Ring Mill
High-capacity ring mill for large-scale pulverising with consistent results.
- Throughput*: 5000 cc
- Feed size*: < 25 mm
- End-fineness*: < 75 µm
Pressure Filter Table Mounted Version (PED)
Pressure filter with additional PED (Pressure Equipment Directive) adjustments.
Pressure Filter Table Mounted Version
Laboratory pressure filtration unit with proven design for rapid filtration and difficult separations.
LMPF Pressure Filter Double Spindle Version
High-performance pressure filter for separating solids from liquids.
Pressure Filter Floor Mounted Version
High-performance pressure filter designed for floor-mounted operation.
LMTP Pellet Press Motorized
Motorized hydraulic pellet press for frequent and reproducible preparation of small powder samples.
LMTP 1–15 Tons Pellet Press
High-performance pellet press for compressing powdered raw materials into solid, cylindrical pellets.
LMTP 1–25 Tons Pellet Press
High-performance pellet press for compressing powdered raw materials into solid, cylindrical pellets.
LMPP 40 Tons Pellet Press
High-power 40-ton pellet press operated with a detailed digital control panel.
LMSM 75/200 Sieve Shaker
Sieve shaker for separating and classifying samples using a stack of analytical test sieves.
- Sieve support size: 200 mm diameter / 8 inch (203 mm)
- Sieve stack: 9 sieves plus collector and lid
LMSM 300/450 Sieve Shaker
Large sieve shaker for separating and classifying samples using larger diameter test sieves.
- Sieve support size: 300–450 mm
- Sieve stack: 9 sieves plus collector and lid
LMAJ200 Air Jet Sieve Shaker
Air jet sieve shaker for reliable powder separation and particle size analysis.
- Sieve support size: 200 mm diameter / 8 inch (203 mm)
- Sieve stack: 9 sieves plus collector and lid
LMBR500 Bottle Roller
Compact laboratory bottle roller for mixing and milling.
- Capacity: 1 standard-sized bottle
- Speed setting: 30–280 rpm
LMBR2000 Bottle Roller
Large laboratory bottle roller for mixing and milling.
- Capacity: 14 standard-sized bottles
- Speed setting: 30–280 rpm
LMTM100 Tumbler Mixer
Three-dimensional motion mixer for homogenizing materials.
- Collector volume: 2 L / 1 L / 0.5 L
- Speed setting: 20–100 rpm
Fire Assay
Fire assaying is used to separate metals for determination of impurities and metal content in a sample.
Workbench
Work benches for general and specific use in assay and metallurgical laboratories.
