Conical Mill: A Comprehensive FAQ Guide

Conical mill refers to a piece of electromechanical equipment designed for sizing and resizing different raw materials uniformly.

In some instances, it is known as cone mill; a name derived from the shape it resembles and usually available in different diameters.

If you are looking for detailed information regarding different aspects of conical mills, this FAQ guide will be of significant value.

Keep reading.

How Is Conical Mill Beneficial To Your Production Process?

conical mill

conical mill

Buying conical mill is advantageous to your milling process in a wide range of ways.

The common benefits include the following;

Guarantees Safety And Convenience Production

Ideally, this equipment is properly structured and well-designed.

It has all its components and parts perfectly placed at their respective positions.

Hence, it implies you can do the milling without necessarily compromising stipulated organizational safety standards.

In essence, you can access all parts of this machine at your convenience.

Provides Flexibility And Portability

Most conical mills are medium-sized, thus sizeable enough and somewhat lightweight.

This means you can transport this machine easily and use it anywhere.

Saves Significant Space

The design construction of this equipment focuses more on vertical space than horizontal space.

As such, it makes it easy to save adequate ground space for your working station.

Moreover, it makes it possible for you to cut down on cost of acquiring a larger room for your milling activities.

Produces Low Noise And Dust

Working in noisy and dusty mills is usually annoying.

Cone mills, however, operate in silence and rarely produce irritating noise during milling.

Besides, the material is often enclosed in the mill properly, making it difficult to produce dust.

Technically, conical mill enhances a conducive environment free from pollution for milling different raw materials.

Longer Service Lifespan And Easy to Maintain

Most conical mills are made using stainless steel material, which is a relatively hardy material thus durable.

Furthermore, maintaining this material is quite easy since all you need is to clean the various surfaces regularly.

Low Running Costs

The design of this equipment allows material to flow from one step to another using force of gravity.

Hence, it uses little electricity to transport the material to different stations during milling process.

Also, this equipment doesn’t require too much labor to push the material.

Ideally, most of its operations are automated; thus, human involvement is minimal.

Which Parts Make Up A Typical Conical Mill?

A typical conical mill consists of numerous parts and components, all playing distinctive roles in fulfilling effective milling process.

Often, it is fundamental to know the core parts that make up this machine since it helps in enhancing milling efficiency.

The main parts of conical mill include the following;


This funnel-shaped component is where all unprocessed materials are placed to get into the machine.

In some instances, the hopper is known as an infeed chute.


Also known as conical mill sieve, it is part, which sieves granulated materials.

Ideally, this component enables the finer product of the initial material to pass through and inhibits ungranulated material, which stays behind for further processing.


Common in multi-mill and usually move at ultra-high speeds for efficient shredding of materials within the mills.


Usually positioned in the milling chamber of cone mill and features rotating forces that push unprocessed material through stationary sieves.


It is the component where the ultimate finished product falls in once it passes through the screen.

Alternatively, you can connect the receptacle to other equipment like vacuum transfer for faster material transfer to other processes.

Drive System

It is merely used for powering the rotating impeller, and they usually vary based on the type of conical mill.

Some drive systems include belt drive, direct drive, or gearbox drive.

How Does Conical Mill Work?

The primary essence of conical milling machine is to reduce material size during milling process.

But how the equipment operates is usually a great concern worth understanding when buying it.

From the face value, the materials are fed into the cone mill, passed through screen openings, and processed until it forms smaller granules.

The final product then drops from the underneath milling chamber.

However, from a technical perspective, here is how a conical mill works;

The initial step entails feeding the raw material into the cone mill through the hopper or infeed chute.

You can feed material into the machine using three different ways, which include; by hand, gravity, and vacuum.

The actual feeding technique is dependent on the actual technical specifications of the cone mill you are using.

After feeding the material into the machine, the next step involves passing the material into milling chamber.

At this stage, the rotating impeller, with the aid of centrifugal power, forces the material through conical screen apertures.

Ideally, the screen/sieve in this context ensures only the smallest particles pass through it.

Hence, only material of its desired size can pass through the screen.

Once the material passes through the screen, the refined product is conveyed to the receptacle from the bottom of mill.

Tentatively, you can connect the cone mill with other equipment where the milled product is conveyed to the desired location.

Technically, that’s how this equipment works.

Which Ways Does Conical Mill Attain Dust-Free Milling Process?

Essentially, health and safety of the operator should always be a highest priority when milling products using conical mill.

It is vital because some materials can be poisonous when in contact with skin or inhaled.

Hence, it is necessary for the cone mill to have proper mechanisms for blocking dust from escaping.

The design construction of a typical conical mill allows it to hold all the dust it produces inside it.

Besides, it is integrated with various equipment to ensure no dust gets outside.

Ideally, here is how this equipment achieves a dust-free milling process;

Vacuum Transfer

It merely entails using vacuum to facilitate material transfer within the conical mill.

The main feature of an in-line vacuum is that the whole system is fully closed.

Essentially, this technique inhibits dust likely to escape the mill to the room.

Other than preventing dust, vacuum transfer reduces material wastage while it automates the entire material transfer process.

Container To Container Milling

It is a technique, which involves material transfer directly from one container to the other.

This method prevents material from forming dust by limiting the space.

It is the most straightforward and economical process of containing dust in conical mill.

Isolator Milling

This method involves separating all excess material likely to form dust during milling process.

The superfluous material is often confined in a structure referred to as a glove box, and it is not exposed operator or environment.

Ideally, a flange is fixed on the conical mill wall to create a physical barrier between mixing station and mill.

Isolator milling is regarded as the safest approach as far as dust prevention is concerned.

What Are The Technical Specifications Of Conical Mill?

Notably, conical mill technical specifications refer to features defining this equipment’s operational and physical characteristics.

Here are some of the most common ones you need to know;

  • Stainless steel contact parts
  • Easy-clean GMP design
  • FDA compliant seals and gaskets
  • Low heat, dust, and noise generated
  • Adaptive impeller speed
  • Multiple perforated screen combination
  • Adaptive motor size
  • Square, round, and grater screens

Other than these technical information, it is also imperative to know the physical characteristics of a conical mill.

The notable physical attributes include conical mill height, floor area, and mobility among others.

Always ensure you get the necessary details from the cone mill manufacturer.

Basing your preference on these specifications, it becomes easy to purchase the most suitable cone mill for your application.

What Are The Available Designs Of Conical Mill In The Market?

You can find different designs of conical mills in the market, but the common variants include the following;

Under-Drive Conical Mill

It features a flexible and adaptable design construction with a rotary shifter and interchangeable cone mills.

under driven conical mills

under driven conical mills

Besides, this mill produces a higher throughput of more than 50% to other designs.

Countertop Conical Mill

At times it is referred to as a tabletop cone mill since it features a stand; hence you can place it anywhere.

This conical mill comes as a self-contained portable equipment suitable for granulating, mixing, and size reduction.

Figure 3 countertop conical mill

counter top conical mill

It is relatively portable, making it quite flexible, and features a hardy stainless steel material construction.

Multi-Cone Mill

It is largely used in wet and dry granulation of various materials, such as pharmaceutical products.

This equipment comes in handy if you are looking for ultra-high-speed granulation, mixing, heating, and size reduction through chopping or shredding.

In this conical mill design, air impact on material is what actuates size reduction.

 Multi cone mill

multi cone mill

The blades moving at extremely high speeds inside the cylindrical hopper facilitates the process in this mill.

It is also portable, and some designs feature easy-to-dismantle parts for faster cleaning.

Oscillating Granulator

The design of this conical mill is to suit the needs of dry granulation in milling process.

Oscillatting granulator

Oscillating granulator

Its main component oscillates or revolves around making milling material efficient.

What Are The Main Uses Of Conical Mill?

Conical mill is used in different material processing industries for a wide range of reasons such as the following;

Size Reduction

The primary role of a conical mill is to reduce size of dry material in the production process.

Ordinarily, size reduction, in this instance, makes it easy for the product to attain an even and increased surface material.

Thus, this function helps to improve production efficiency.


It merely refers to shredding of oversized materials after production process.

This is an important function since it helps in sizing the products to the desired dimensions before getting to the market.


This refers to a process of creating granules or particles from powdery compounds to form granular substances.

Such granules are either packed as is or mixed with other substances to make the ultimate product.

Granulation is available in wet and dry options.


It is a material reduction process, which comes in handy in disintegrating loosely adhered crystal lumps without further powder crumbling.


This function entails distribution of one material into another.


Conical mill captures any foreign material preventing them from becoming part of the ultimate product.

What Are The Main Applications Of Conical Mill?

You can use conical mill in a wide range of manufacturing and industrial applications such as the following;

Food Industry

This equipment is used in various food handling and processing plants for transforming food raw materials into finer products.

Pharmaceutical Industry

Conical mills are used in production process of various health and pharmaceutical products such as tablets, capsules, granule packages, etc.

Cosmetic Industry

You can also use this equipment in manufacturing process of various cosmetic and beauty products.

Chemical Industry

Cone mill is used in milling ingredients of various chemical compounds to become smaller and finer.

What Is The Main Material For Making Conical Mill?

A typical conical mill is manufactured using stainless steel material.

Essentially, this material is durable hence can withstand numerous mechanical and unfavorable environmental conditions subjected to the equipment.

Stainless steel material also features immense anti-bacterial abilities, which is ideal for material handling as it promotes hygiene.

Moreover, this material displays excellent corrosion resistance hence cannot rust easily irrespective of nature of material it handles.

It is also easy to clean, and this is a fundamental aspect of manufacturing process because it enhances ideal hygiene requirements.

What Is The Suitable Speed Of Conical Mill?

It depends on numerous variables, including nature of materials, rotor drive, and set production throughput.

Besides, the ideal speed is also based on the actual type of conical mill you are using.

However, most conical mills in the market usually have a speed range of between 50-1400 Rpms.

Nevertheless, you can get a custom design with higher than typical speeds depending on your production needs.

Simply put, there is no definite speed of conical mill; instead, it depends on various factors, including the few mentioned above.

Which Safety Features Do You Find In Conical Mill?

The main safety features of this equipment include the following;

  • Emergency stop buttons
  • Overload protection
  • Temperature control
  • Restriction switch at the hopper

Does Conical Mill Come With Warranty?


Most reputable conical mill manufacturers often provide a warranty upon purchasing this equipment.

However, the warranty terms and conditions often vary based on numerous factors surrounding the equipment and the manufacturer.

Some companies offer warranty on specific parts or components such as drive systems.

On the other hand, some manufacturers provide warranty covering the entire equipment if it fails.

Also, the warranty duration varies from one manufacturer to another.

The most important element is ensuring you read and comprehend the finer details of the warranty before appending your signature.

What Is The Production Volume Of Conical Mill?

It varies based on different variables of the specific machine you are purchasing.

For instance, a highly advanced conical mill with numerous automated functions often has a higher production volume.

Also, a bigger conical mill is likely to have higher production throughput than a small conical mill unit.

In simple words, there is no definite production volume of this equipment.

It depends on different aspects like the ones mentioned herein.

How Much Does Conical Mill Cost?

The purchasing price of conical mill is dependent on a host of variables, including the following;

  • Specifications – A unit with more advanced specifications is usually pricier than one with basic features.
  • Size – Buying a bigger conical mill is likely to be more expensive than purchasing a relatively smaller one.
  • Brand – Companies usually sell their respective products at different rates depending on various markets and other prevailing factors.
  • Material – Often, stainless steel conical mill is usually more expensive than ones made from other materials like aluminum.
  • Quantity – Purchasing more conical units in many instances is usually more cost-effective since it attracts higher discounts than buying one piece.

In a nutshell, there is a defined or fixed price of a typical conical mill.

It varies significantly based on such and many other factors.

How Do You Maintain Conical Mill?

Often, a stainless steel conical mill is relatively easy to maintain.

The most important element is ensuring that you lubricate all the moving parts to reduce friction of the components.

Also, carry out thorough inspection occasionally to establish any parts that need replacement or adjustment.

When replacing any failed or worn-out component, ensure you use original parts as recommended by the manufacturer.

Another fundamental maintenance routine is ensuring you clean the contact parts thoroughly after use.

This prevents the surface from rusting and contaminating.

How Durable Is Conical Mill?

The general design construction of this material makes it quite durable since it is resistant to several mechanical, chemical, and environmental factors.

It can last for several years depending on several factors such as the following;

  • Usage intensity
  • Handling
  • Type of framing material
  • Actual design construction
  • Routine maintenance
  • Physical and environmental conditions it is exposed to

Conical Mill Must Comply With Which Quality Standard Certifications?

Ideally, typical conical milling equipment must comply with several quality standard certifications.

However, such certifications often vary from country to country.

But the commonly accepted standards include the following;

  • cGMP – Current Good Manufacturing Practice
  • FDA – Food and Drugs Administration
  • SGS Certification
  • CE Certification
  • ANSI – American National Standards Institute
  • ISO – International Standards Organization
  • RoHS – Restriction of Hazardous Substances Directive
  • ASTM – American Society for Testing and Materials
  • UL – Underwriters Laboratory

At SaintyCo, we offer a range of conical mill machines depending on your needs and requirements.

Contact us now for all your conical mill machines.

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