650rpm Laboratory Jar Mill Roller Grinding Machine 80ml 125ml
Innovations in Fine Grinding and Mixing Precision Roller Ball Mill
High-Capacity Roller Mill Ideal for Metal Powders with Low Maintenance
Introduction
A Roller Ball Mill is a grinding machine used to crush, blend, and homogenize materials into fine powders by utilizing rotating rollers and grinding media (balls). It is widely used in industries such as mining, ceramics, cement, pharmaceuticals, paints, and chemical processing.
This machine operates on the principles of impact, attrition, and shear forces, making it suitable for both wet and dry grinding processes.
Working Principle
Impact Grinding
- The rotating rollers cause the grinding balls to collide with the material, breaking it down through high-energy impacts.
Attrition (Friction Grinding)
- The rolling and sliding motion of the balls generates frictional forces, further reducing particle size.
Shearing & Compression
- The material is crushed between the rollers and the grinding media, ensuring uniform particle size distribution.
Key Components & Their Functions
| Component |
Description |
Function |
| Grinding Chamber (Drum) |
Cylindrical container made of stainless steel, ceramic, or hardened alloy. |
Houses the grinding media and material for milling. |
| Grinding Media (Balls) |
Spherical balls (steel, ceramic, tungsten carbide) of varying sizes (5-50 mm). |
Crushes and grinds material through impact and friction. |
| Rollers |
Heavy-duty rollers (usually 2-4) that rotate to apply pressure. |
Transmits mechanical force to the grinding media. |
| Drive System |
Electric motor with gearbox/belt drive. |
Controls rotation speed (typically 30-100 RPM). |
| Feed Hopper |
Entry point for raw material. |
Ensures controlled material input. |
| Discharge Grate |
Mesh or screen at the outlet. |
Allows fine particles to exit while retaining grinding balls. |
| Cooling/Heating Jacket (Optional) |
External temperature control system. |
Prevents overheating or aids in temperature-sensitive grinding. |
Features
- Compact structure, easy operation
- High efficiency and uniform granularity
- Milling pot in different size can be put on the driven rubber roller within a certain range by means of adjusting space between the rubber rollers.
- It is convenient to change pots and suitable for both wet and dry grinding.
Technical Specifications
| Category |
Model No. |
Power Supply |
Rotate Speed |
Max Load Per Jar |
Dimensions & Net Weight |
| 1 Work Position |
GQM-1-5L |
110V/220V-50Hz or 60Hz/0.37kw |
60-570 rpm |
35KGS |
730*415*260mm 32KGS |
| GQM-1-15L |
110V/220V-50Hz or 60Hz/0.75kw |
60-570 rpm |
80KGS |
845*435*270mm 43KGS |
Detailed Parameters (GQM-1-15L)
| Working mode |
Single can, Roller ball Mill (Mixing) |
| Maximum sample loading |
Two thirds of the volume of the ball mill tank |
| Size of input granules |
≤10mm |
| Size of output granules |
The most fine up to 50-1000 mesh |
| Maximum speed of main roller |
570r/min, Variable frequency stepless speed regulation |
| Roller reference speed |
60-570±10r/min |
| Power |
750W/110V/60HZ |
| Timer Range |
0-999min |
| Volume |
About 845*435*270mm |
| Weight |
About 43kg |
| Maximum load per jar |
80kg |
Mill Pot Options
Materials of jars for choosing: Agate, Zirconia, Alumina ceramic (Corundum), Tungsten Carbide, Stainless steel, PU (Polyurethane), PU with stainless steel liner, PTFE (Polytetrafluoroethylene), Nylon etc. Vacuum jars are available as well.
Mill Balls Options
Materials of balls for choosing: Agate, Zirconia, Alumina, Tungsten Carbide, Stainless steel, PU, PTFE, Nylon, Carbon steel, PU etc.
Sizes for choosing: 1mm, 3mm, 5mm, 8mm, 10mm, 12mm, 15mm, 20mm, 25mm, 30mm
Package Photos
Operation Notice
- Secure Components: Ensure rollers, chambers, and other components are properly assembled and secured before operation.
- Emergency Stop: Familiarize yourself with the emergency stop button and use it if any issues arise.
- Material Compatibility: Ensure the materials being processed are compatible with the rollers and chamber to avoid contamination.
- Speed Settings: Start at lower roller speeds and gradually increase to avoid excessive wear or damage.
- Filling Ratio: Maintain the recommended filling ratio of material for optimal performance.
- Run Time: Avoid continuous operation for extended periods; allow the machine to cool down between cycles.
- Feed Rate: Control the feed rate to prevent overloading and ensure consistent grinding.
- Regular Cleaning: Clean rollers, chambers, and other components thoroughly after each use to prevent cross-contamination.
- Inspect Components: Check for wear, cracks, or damage to rollers, bearings, and seals before each use.
Frequently Asked Questions
What is a roller mill?
A roller mill is a grinding machine that uses rotating rollers to crush, grind, or mix materials into fine particles or homogeneous mixtures.
What are the main applications of a roller mill?
It is used for grinding, mixing, and homogenizing materials in industries like pharmaceuticals, food processing, paints, and metallurgy.
What materials can be processed in a roller mill?
Metal powders, pigments, pharmaceuticals, ceramics, chemicals, and food products.
How does a roller mill work?
Materials are fed between rotating rollers, which apply pressure and shear forces to grind or mix them into fine particles or uniform blends.
What types of rollers are used?
Rollers can be made of stainless steel, zirconia, or ceramic, depending on the application.
What is the typical roller speed?
Speeds range from 50 to 500 RPM, depending on the model and application.
Can a roller mill be used for wet and dry grinding?
Yes, it supports both wet and dry grinding processes.
How do I choose the right roller material?
Select based on the material being processed and the desired outcome. For example, use ceramic rollers for high-purity applications.
What is the recommended filling ratio for the chamber?
Typically, feed material evenly and avoid overloading to ensure efficient grinding.
How long does a grinding process take?
It depends on the material and desired particle size, but processes can range from a few minutes to several hours.
How do I clean the rollers and chamber?
Clean them with appropriate solvents (e.g., water, ethanol) and dry thoroughly after each use.
What factors should I consider when buying a roller mill?
Consider roller material, chamber capacity, speed range, and whether you need a single-roller, double-roller, or multi-roller design.
Can I customize the machine for specific applications?
Yes, we offer customizable options for rollers, chambers, and control systems.
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