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Small 200kg Per Hour Small Ball Grinding Mill Machine for Laboratory Sample Test

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Product Spotlights

High Grinding Efficiency:​ Optimized rotation speed and liner design ensure uniform particle size and high output.
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
US$ 3300 1 - 4 Set
US$ 3100 5 - 14 Set
US$ 3000 ≥15 Set
Key Specifications
Get Latest Price
Type:
Ball Mill
Warranty:
1 Year
Motor Power:
Other, 2.2kw
Contact Supplier Request Quote Chat Now
Shicheng Meiruiyou Mining Machinery Manufacturing CO.,LTD.
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
Xiamen Port
Delivery Detail:
25 days

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  • Product Details

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Type Ball Mill
Warranty 1 Year
Motor Power Other, 2.2kw
After-sales Service Available
Condition New
Motor Type AC Motor
Rotationl Speed Other, 48r/min
Application Mine
Materials Gold
Product Name Small Ball Mill
Model 400*600
Capacity 25-350kg/h
Loading Balls 70kg
Max Feeding Size 25mm
Output Size 0.074mm
Other Models 900*1200/900*1800/1200*2400/1500*3000
Max Feeding Amount 50kg/time
Color Blue or Customized
Factory Visit Warmly Welcomed
Other Mining Machinery Crusher,Shaking Table,Gold Concentrator
Keyword Laboratory Ball Mill
Transport Package Wooden Box
Specification 1650*900*1050
Trademark Meiruiyou
Origin Ganzhou City,Jiangxi Province

Gold Mineral Testing Equipment Small Lab Ball Mill Mining Grinding Machine for Sale

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.

Lab Ball Mill (1)

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).

Lab Ball Mill (2)

Key Features & Advantages

  • ✅ 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)

Lab Ball Mill (7)Lab Ball Mill (5)Lab Ball Mill (6)
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

  • 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

  • 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



Product Tags: Small Ball Mill , Ball Grinding Mill , Laboratory Ball Mill

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Shicheng Meiruiyou Mining Machinery Manufacturing CO.,LTD.
Verified Business License
Business Type
Manufacturer
Year Established
2025
Factory Size
Below 1,000 square meters
Annual Export Value
Below US$1 Million
Contact Supplier Request Quote Chat Now

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