Types of Grinding Machines & Uses

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Rotating abrasive wheel on a bench grinder machine ( Source : Wikipedia)

What is Grinding Machine / Grinder Machine?

A grinding machine is a machine tool equipped with an abrasive wheel used for producing fine finishes or making light cuts on metals and other materials. There are various types of Industrial grinding machines.

Grinding Machine Classification Based on Uses

As per industrial applications and uses of Grinding machines we can classify Grinder machines into two types

1. Precision Grinding Machine
2. Non-Precision ( AKA Rough Grinding ) Grinding Machine

Precision Grinding Machine

Precision grinding machines are used for good surface finish with precision. This type of grinding machines are mainly used for high degree of accuracy Industrial applications such as:

• Scientific Instruments
• Aerospace Equipments
• Medical Equipments
• Production of part of assemble job & where high accuracy needed during grinding process.

Commonly used Precision Grinding Machines for Industrial Uses are followings

• Cylindrical Grinders
• Surface Grinding Machine
• Thread Grinding Machine
• Internal Grinding Machines
• Centerless Grinding Machine
• Toolroom Grinding Machine ( Tool and Cutter Grinders)

Non-Precision Grinding Machine ( for Rough Grinding Applications)

Non-precision grinding machines generally used for removal of stock from heavy and rough workpieces without concerning any precision or accuracy of job.

Generally, Such type of Industrial Grinding Machines are used for materials made from casting, forging etc.

Commonly used non-precision grinding machines are

• Floor and Bench Grinding machine
• Portable grinding machine / Hand Grinding machine
• Swing frame Grinder

Types of Grinding Machine for Industrial Applications

Belt Grinding Machine

Belt grinding conducts the process of edge breaking, finishing, and removing stock.

Bench Grinding Machine

Bench grinder hand grinds the cutting tools. We also use grinding machines for other sorts of rough grinding functions.

Jig Grinding Machine

It is generally used for the processes, which need an extreme level of accuracy and finish. This grinding machine is best for grinding complex shapes.

Gear Cutting Machine

It is another common type of grinding machine. It performs many other functions like casting, hobbling, machining, forging and others.

Precision Grinding Machine

Surface Grinding Machine

These grinding machines work on the surface of the workpiece to make it extra smooth. This process led to the refined look of the workpiece.

Surface Grinding Machine Operations in Various Industries

Cylindrical Grinding Machine

This grinding machine uses the central axis of rotation to grind the workpieces.

Centreless Grinder / Grinding Machine

In centerless grinding machine, the workpiece is held between two grinding wheels, rotating in the same direction at different speeds. One grinding wheel is on a fixed axis and rotates so that the force applied to the workpiece is directed downward.

Tools and Cutting Grinder

This is a small grinding machine. Drill, reamer, tap, and the particularly milling cutter are grinded with this grinding machine.

The grinding wheels using in Toolroom grinding machines are of soft grade which is of the shape of a straight, flared cup or dish type.

Parts of Grinding Machine

Things to Keep in Mind While Buying Grinding Machine

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Grinding Material

The materials to grind are a key factor in deciding which machine to choose. For example, a gear cutting machine is best for grinding metals, wood, and plastics. The belt grinding machine grinds the metals. The bench-grinding machine grinds the steel and it cannot grind any soft material such as aluminum. Thus, material type is a primary issue in choosing specific grinding machines.

Specifications for Grinding Machine

The grinding machine manufacturers use various specifications for manufacturing.  A few main specifications for such machines are:

1. Grinding wheel size
2. No-Load speed
3. Frequency and volt-rating of machines
4. Input power needed for operating the various grinding machines
5. Horizontal or vertical spindle
6. Kind of control existing for grinding head
7. Hand – operated or CNC controlled machine

You should conduct a survey in the market where such machines are for sale. It will help you a lot to know the most demanding industrial equipment.

Grinding Machine Wheels

It manufactures grinding wheels with a mixture of coarse particles. A solid circular shape presses these particles and binds the aluminum or steel disc. It will lead coarse particles bonded to the surface. Few of the materials used for manufacturing Abrasives Grinding Wheel include-

1. Cubic Boron Nitride
2. Zirconia Aluminium oxide
3. Ceramic aluminum oxide
4. Aluminum oxide
5. Manufactured diamonds

The composition of grinding wheels is for safety concerns of grinding wheels. Such material composition prevents wheels from coming apart or from any explosion during spinning. There are various kinds of grinding wheels manufactured with various sorts of applications.

Choosing Ideal Grinding Machine for Business

Grinding cylindrical metals may appear as a simple process but it is not so. Material grinding needs the right grinding machinery to prevent unusual wastage of time. It also has many extra efforts for material grinding. You need to choose the latest type of machinery for bigger plants.

Most small scale grinding uses coarse wheels. The latest version of grinding machines with diamond dressing is most in demand. It offers great convenience as compared to older versions of grinding machinery.

Grinding Machine Buying Guide

Here are a few essential tips for dinging an ideal grinding Machine for business-

Finding Ideal Kind of Machine

Internal, external, and external centers are the most used grinding machines. The manufacturing and selling of such machines are high for demand. The inner diameters of cylindrical metal surfaces use internal grinders.

The outer surfaces of cylindrical metal surfaces use external ones. The external grinding machine contains two grinding wheels. These wheels may grind together the external diameters of cylindrical metal objects.

There are different machines available for specific shapes of objects. A single machine is enough to perform a specific activity. It will depend on the volume and kind of workpiece.

The volume of Grinding

 Small-scale activities can entertain smaller abrasive wheel grinding machines. The large-scale process processing of tons of metal per year also needs a machine.

Thus, it needs a large-scale machine with a high investment for bulk material grinding. Modern grinding machines like SMSB SGC 3000 make use of diamond dressing wheels. These can grind at least forty times more metals than normal machines.

Thus, such grinding machines may save a large amount of time and effort with grinding on a large scale.

The larger wheels of such grinding machines can grind larger objects at very less time. Such machines take very less time compared to smaller manual course grinding.

Technology and Manpower

Several kinds of activities involve manual efforts. Because of innovation in the technological field, there are several modern variations in the field. Today, machines have several automated features that need less manual efforts.

It may base the decision to buy the ideal grinding machines on skilled labor and wages. You should not get confused regarding this machine since these machines have completely changed the way of working.

When labor costs are too high and there is a lack of labor, the semi-automated machine is best. The manual grinding process can create health hazards. Thus, it is beneficial to use the semi-automation grinding machines.

Businesses should follow safety standards. They should offer their labors bulletproof glasses and partial automation.

Now, they are being used on a large scale to make everything easier and perfect. We hope that the above content would be helpful for you to increase your information and knowledge both at the same time. 

More Selection Grinding Wheels

Grinding Machine and Their Types Available in Market

The Grinding machine is those kinds of machines that grind various kinds of materials. Many industrial systems use grinding machines to grinding their hard materials in bulk. A grinding machine is a machine tool that has a harsh wheel as its main part.

We also name the material for grinding in the grinders as the workpiece. Grinding machines not only grinds plastic and metals but also various other materials.

In the B2B marketplace, there are several manufacturers offering various grinding machines. Because of the different buying needs of customers, there are different grinding machines.

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Abrasives Surface Grinding Segments

Hindustan surface grinding Segment are a universal choice for all those customers for heavy, rapid stock removal and production work. These Segments can easily handle tolerance operations and are generally preferred in such uses only.

KNow about Grinding Segments

Not to be confused with a milling machine, a grinding machine is a heavy-duty machine that’s used to remove material from the surface of a workpiece. While milling machines feature a rotating cutting tool that’s placed against a stationary workpiece, a grinding machine features a rotating grinding wheel, which is also placed against a stationary workpiece. There are several different types of grinding machines, however, each of which works in a different way.

Bench Grinding Machine

Bench grinding machines are characterized by their bench-like shape. They usually feature two different grinding wheels: one for the removal of material and another for finishing processes. They are called “bench grinding machines” because their grinding wheels are secured to the top of a workbench. As a result, bench grinding machines are easy and convenient for manufacturing workers to use.

Belt Grinding Machine

Belt grinding machines are characterized by the use of a belt sander. Like other grinding machines, they are designed to remove material from workpieces, thereby making workpieces smaller and with a smoother and more desirable surface. With belt grinding, the belt is coated in an abrasive material, after which it’s run against the surface of a workpiece until the desired results are achieved. Belt grinding is most commonly performed on metal workpieces, though it supports workpieces made of other materials as well.

Surface Grinding Machine

A third type of grinding machine is a surface grinding machine. Surface grinding machines are unique because they feature an adjustable head. The head on a surface grinding machine can be lowered down to the workpiece. Once lowered, the head can then rotate back and forth under the machine’s grinding wheel.

While belt grinding machines are typically used for finishing processes, surface grinding machines are most commonly used for material removal. When compared to other grinding machines, surface grinding machines are able to remove significant amounts of material, making them desirable for such applications.

Gear Grinding Machine

Gear grinding machines are designed specifically for the removal of material from shafts. Using grinding wheels, they can grind the center of a shaft with extreme precision.

Die Grinding Machine

A smaller and more basic type of grinding machine is a die grinding machine. Unlike the other machines listed here, die grinding machines are handheld. They are connected to an air compressor, which works to power the machine’s grinding wheel. If an air compressor isn’t used, the die grinding machine will likely receive power from an electric motor.

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