Metal Cutting

Grinding Equipment

Grinding is a machining process that takes a very light “cut” using abrasive media—typically an abrasive grinding wheel. Grinding wheels with different grit sizes achieve rougher or finer grinding passes, according to the needs of the application. When precise accuracy and/or surface finish are required, grinding is often used as a finishing process after some other metalworking operation. Grinding is also an effective process for machining workpiece materials that are too hard for milling or turning. Some grinders machine round parts. These machines include cylindrical grinders and centerless grinders. Some grind flat surfaces. These are surface grinders. Form grinders move the work and/or the wheel in various axes to grind surfaces that are precisely contoured. Still other grinders are dedicated solely to machining the hard materials necessary to produce cutting tools for other types of machining operations. These are referred to as tool grinders or cutter grinders.

Featured Zone Content

Where Focus Is Foremost


A shop that specializes in precision thread grinding not only provides an environment in which its machinists can fully focus on challenging tasks, but also the advanced equipment needed to accurately complete them.

The Benefits of Vertical Thread Grinding


Holding a workpiece in an upright position improves numerous aspects of thread grinding. From top to bottom, this approach represents a major change in the way precision leadscrew-type parts are produced, as embodied on Mitsui Seiki VGE60A.

Labor Savings in Grinding


Representatives of a grinding equipment supplier comment on how this critical process can be made more efficient.



Studer S141 universal ID cylindrical grinding machine

Internal Cylindrical Grinding Machine Accommodates Longer Workpieces

By: Edited by Stephanie Monsanty
Available from United Grinding, the Studer S141 universal internal diameter (ID) cylindrical grinding machine enables internal grinding of longer workpieces such as those used in the machine tool, drive element, aerospace and toolmaking industries.

Vitrified Grinding Wheels for Centerless Grinding

By: Edited by Stephanie Monsanty
Available from Fives, Gardner Abrasives vitrified grinding wheels are designed for efficient centerless grinding operations.

Emag PMD 2 crankshaft grinder

Crankshaft Grinder Equipped with Twin Grinding Heads

By: Edited by Stephanie Monsanty
Emag’s PMD 2 crankshaft grinder incorporates the company’s Naxos-Union technology and is said to provide high output rates.

Wire EDM for Dressing Metal-Bonded Wheels

By: Mark Albert
The Studer WireDress system, which uses the wire “spark erosion process” to dress a metal-bonded grinding wheel while it is still mounted in the grinder, makes using these wheels more efficient and economical.

Studer S141 Goes Long for Internal Cylindrical Grinding

By: Lori Beckman (editor)
United Grinding’s Studer S141 universal ID cylindrical grinding machine that offers the ability to internally grind longer workpieces common to the machine tool, drive element, aerospace and toolmaking industries.


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