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Help CenterLaboratory Cylinder Ball Mill 400*600 Small Ore Grinding Machine for Mineral Beneficiation Test
Product Spotlights
Heavy-Duty Construction: Thick steel plate barrel and large forged steel trunnions guarantee stability and durability.
Wear-Resistant Liners: High manganese steel or rubber liners offer long service life and protect the barrel.
Versatile Application: Wet or dry grinding for gold, copper, iron ore, cement, and various minerals.
Easy Maintenance
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Laboratory Cylinder Ball Mill 400*600 Small Ore Grinding Machine for Mineral Beneficiation Test
Product Overview
The Laboratory Ball Mill is a compact, intermittent (batch-type) wet & dry grinding machine designed for mineral processing test work, ore amenability study, and small-batch sample grinding in geological, metallurgical, and mining laboratories.
It is widely used to grind gold ore, copper ore, iron ore, tungsten/tin ore, chromite, and non-metallic minerals (quartz, feldspar, limestone, cement clinker, etc.) before gravity separation, flotation, or cyanidation tests. The machine features simple structure, easy operation, low power consumption, and is ideal for research institutes, universities, and pilot plants.
Working Principle
The drum is driven by an electric motor through a V-belt and pinion–girth gear set to rotate at a proper speed (typically 40–50 rpm for Φ400×600). Grinding media (steel balls of various sizes) are lifted by centrifugal force and then cascade down, crushing the ore by impact and attrition.
Wet grinding: Add water to form slurry; discharge via sieve screen or manual decanting after timed grinding.
Dry grinding: Close the feed opening; discharge by opening the discharge port after grinding.
The batch-type operation allows users to control grinding time precisely to achieve target fineness (commonly -200 mesh / 0.074 mm).
Key Features & Advantages
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✅ Designed for Lab & Pilot Use – Suitable for ore sample preparation before flotation, gravity, or cyanidation testing.
✅ Batch / Intermittent Operation – Adjustable grinding time; no over-grinding risk; easy to clean between samples.
✅ Wet & Dry Grinding – Flexible for different test requirements.
✅ Durable Liners – High-manganese steel or wear-resistant rubber liner optional; replaceable.
✅ Complete Set Included – Comes with steel grinding balls, feeding hopper, discharge screen, and V-belt drive.
✅ Compact & Low Cost – Small footprint, no special foundation required; energy-saving 2.2 kW motor.
✅ Customizable – Liner material (Mn steel / rubber / ceramic), motor brand, voltage (220V/380V/415V), and color available.
Typical Applications
Application |
Function |
|---|---|
Gold / Silver Ore |
Grind samples before gravity table / amalgamation / CIP test |
Copper / Lead-Zinc Ore |
Pre-flotation grinding for lab amenability study |
Tungsten / Tin / Chromite |
Fine grinding before laboratory shaking table / jig test |
Quartz / Feldspar / Limestone |
Ceramic & non-metal mineral sample preparation |
Cement Clinker |
Small batch dry grinding for quality check |
Recommended feed size: ≤ 2–15 mm | Discharge size: 0.074–0.8 mm (-200 mesh typical) | Batch load: 30–60 kg (dry) or 25–350 kg/h equivalent capacity (wet)
Technical Parameters
Item |
Specification |
|---|---|
Model |
XMQ-Φ400×600 Laboratory Ball Mill |
Drum Size (Dia. × Length) |
Φ400 × 600 mm |
Drum Volume |
≈ 75–100 L |
Drum Rotating Speed |
46 r/min (approx.) |
Feed Size |
≤ 25mm |
Discharge Size |
0.074–0.8 mm |
Batch Feed per Run |
30–60 kg (dry material) |
Approx. Capacity |
25–350 kg/h (wet, depends on ore & grinding time) |
Max. Ball Load |
≈ 100–130 kg (forged steel balls) |
Motor Power |
2.2 kW |
Voltage / Frequency |
380V / 50Hz / 3Phase (customizable) |
Overall Dimension (L×W×H) |
≈ 1630 × 785 × 1350 mm |
Machine Weight |
≈ 460kg |
Liner Type |
High-Mn steel |
Operation Mode |
Batch type – Wet & Dry |
Main Components
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Welded steel drum with removable end cover & liner
Hollow trunnions (feed & discharge ends)
Wear-resistant liner (high-Mn steel or rubber)
Grinding media set (forged steel balls – assorted sizes
Driving system: motor + V-belt + pinion + girth gear
Discharge sieve screen & feed hopper
-
Base frame
Packaging & Service
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Package: Export standard – be packed in wooden case. Suitable for 20' GP container
Warranty: 12 months against manufacturing defects
After-Sales: Video installation guidance & operation manual provided; engineer dispatch available upon request
-
OEM/ODM: Custom voltage, liner material, painting & logo accepted
Send Inquiry to This Supplier
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