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As with other market segments in the metal processing industry, the technology involved in the development of grinding machines has greatly improved over time.

Part of the reason is to meet industry trends, which include increased demand for high-precision parts, the use of new advanced materials, a clear shortage of skilled machine operators, and the need for 24/7 operation.

Image source: Hardinge 

Over the years, grinders have become more complex and flexible, integrating automation and "smart" functions such as software control, IoT support, remote monitoring, and other multiple functions into a stand-alone platform.

As a good example, most grinders on the market today provide higher precision and efficiency by using CNC as a standard configuration.

Modern grinders can use a range of materials to produce high-precision parts, thanks to the correct characteristics and settings, including materials with significant heat resistance and materials that are difficult to wear.

Machines used for cylindrical grinding are the backbone of most metalworking shops. Cylindrical grinding is the name of the process used to finish the outer or inner diameter of cylindrical parts.

In the cylindrical grinding process, the grinding wheel and the workpiece are constantly rotating, and the grinding wheel feeds to and away from the workpiece.

These machines are very flexible and can process objects of various shapes, sizes and diameters as long as they have a central axis of rotation.

There are a variety of cylindrical grinders, which are single-purpose, single-operation cylindrical grinders-including outer diameter (outer diameter) or inner diameter (inner diameter) cylindrical grinders. The former-an outside diameter grinder-works on the outer surface of an object because it rotates between the centers.

The latter, inner diameter grinding, saw a small amount of material removed from the part to complete its inner surface.

The inner diameter grinding wheel and its object rotate in the opposite direction, similar to outer diameter grinding, which causes the surface (where the grinding occurs) to contact in reverse.

Because of this similarity, many grinders available today combine ID and OD grinding (and other possible grinding functions) into one machine, which naturally increases its versatility and practical application range. However, it must be noted that single-purpose OD or ID machines are still sold.

Due to the ability to produce parts with high-quality surface finishes and excellent accuracy, ID/OD grinders are generally considered to be an irreplaceable choice for extremely precision grinding applications such as bearings and hydraulic components.

This is also due in part to their ability to produce parts with excellent precision and high-quality surface finish. ID/OD grinders can also meet the very strict tolerances required by the automotive, aerospace, and defense industries.

With the development of metalworking workshops, ID/OD grinders have been modernized, which has facilitated rapid production of parts and machine setup; grinders have become easier to configure and operate because fewer skilled operators are available, and today involves more steps than ever Less at any time.

These updates have even extended to grinding wheels, which now have new binders and super abrasives that can remove material faster than ever before and deal with metals that are particularly difficult to cut. Today, in order to safely navigate such complex applications, grinders must become more robust, powerful and capable.

The new control and dressing process and sensor monitoring process are just some of the advanced features of the latest ID/OD grinder. The grinder also has a variety of functions, including universal cylindrical grinding, end grinding and polygon grinding.

The automation and intelligence of the software seen elsewhere has also entered the grinder, saving time and improving performance.

An example of this is the advancement of grinding software, which has become better at calculating and providing process parameters. This means that parts can be produced repeatedly with the required precision and surface finish.

Machine functions like this can not only produce more consistent high-quality parts, but also shorten set-up time, support high-volume production applications, and improve machine availability.

In addition to designing and manufacturing turning centers and chucks, Hardinge is a market leader in providing high-tech grinding solutions. The newest members of Hardinge products include KELLENBERGER, HAUSER, TSHUDIN, USACH, VOUMARD® and other brands.

The Voumard series of innovative, high-productivity cylindrical internal/external cylindrical grinding machines are designed for flexible internal/external cylindrical grinding operations, which can machine almost all geometrical workpieces in a single clamping and perform multiple grinding operations .

The Voumard series is designed to meet many manufacturing requirements and industries. These industries range from aerospace to automobiles, from bearings to precision applications such as tool and spindle manufacturing.

These Voumard systems are used worldwide to manufacture various parts of multiple product batches (such as diesel common rail and hydro-pneumatic components) or small batches (such as high-precision bearings and machine spindle components).

The Voumard VM 150 series provides a versatile and compact ID/OD grinding solution with versatility, so it is an ideal choice for the production of medium to large workpieces. This versatility means that this is true for both low-volume and high-volume production environments.

The Voumard production line is about to expand to provide a new standard internal cylindrical grinder, which will be suitable for general-purpose grinding and production grinding. The new Voumard product line extension will adopt a unique design, providing more flexible processing possibilities and less reprocessing.

This information is derived from materials provided by Hardinge Inc. and has been reviewed and adapted.

For more information on this source, please visit Hardinge Inc.

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