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.

Labor Savings in Grinding


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



Kellenberger Varia

February 2016 Product Spotlight Slideshow: Grinding

By: Jedd Cole
This month’s Modern Equipment Review Spotlight focuses on grinding machines of various capacities.

Honing System Brings Power Stroke Efficiency to Small Shops

By: Lori Beckman
The versatile hone features zero shutoff for automatic cycle control and consistent bore size, finish and geometry with minimal operator attention.

Jon Labrie of J&E Precision Tool

Shop Transitions to Aerospace Work with CNC Grinder

By: Emily Probst
J&E Precision Tool met increased demand for complex, high-precision parts with the Studer S33 grinder from United Grinding, leading to improved workflow, part quality, machine utilization and quoting.

Variable Speed DC Bench Grinder with Super Abrasive Wheels

By: Lori Beckman
The Tradesman's DC grinding system operates with no loss of torque at various speeds.

United Grinding Studer S121 grinder

Smaller Universal Cylindrical Grinder Offers Two-Spindle Turret

By: Jedd Cole
The S121 from Studer, a brand of United Grinding, is a universal internal/external cylindrical grinding machine for medium-sized workpieces, particularly chuck components and drive elements, in individual and small-batch production.


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