Fundamentals of cylindrical grinding

What is grinding?

Grinding is an abrasive machining process used for fine machining and finishing of workpieces. It can be performed manually or using grinding machines. As with all abrasive procedures, excess material is removed from the workpiece in the form of swarf. The cutting is actually performed by the edges of microscopically small hard mineral crystals in the grinding tool.

Grinding process

One of the most common grinding methods is the external cylindrical grinding, which is used to manufacture cylindrical and tapered workpieces such as shafts, axles and spindles. A grinding wheel is used to remove material from the workpiece circumference. In principle, differentiation is made between two methods: plunge grinding and traverse grinding. For plunge grinding, the grinding wheel is fed to the workpiece in a radial direction. For traverse grinding, the workpiece is either moved axially via the longitudinal feed of the workpiece slide along the grinding wheel or the workpiece is fixed in place and the grinding wheel moves along the workpiece. To allow for greater accuracy in clamping, workpieces are usually mounted between centers, although one-sided clamping of the workpieces is also possible.

Another type of processing is internal cylindrical grinding, which is primarily used for machining cylindrical or tapered bores. Universal cylindrical grinding machines can be equipped with an additional internal grinding spindle.

One special form of cylindrical grinding is noncircular or camshaft grinding. In addition to the workpiece rotation and the grinding wheel infeed, there is also a third, traversing movement as well.

Cylindrical and noncircular grinding - Other topics

External cylindrical grinding

During external cylindrical grinding, the workpiece is machined after being clamped on one side or between two centers.

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Internal cylindrical grinding

Internal cylindrical grinding is primarily used for machining cylindrical or tapered bores.

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Peel grinding

During external cylindrical grinding, the entire grinding stock can be removed during one grinding pass. This procedure is referred to as a peel grinding.

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Multiwheel grinding

With the multiwheel technology developed by SCHAUDT, all cylindrical features of a workpiece can be ground with just one plunge.

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Robot automation

For especially superproductive applications, grinding machines can be outfitted with a compact robot that is protected against oil and water in accordance with IP 67.

More about automation with robots
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