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We built this content collection to help readers consider aspects of grinding that will hopefully enable them to improve their own processes. The so-called “dark art” of grinding is one of the most precise subtractive manufacturing techniques in metalworking. Capable of reaching tolerance well beyond what even the most precise endmills can achieve, grinding is the use of abrasives — often in the form or grinding wheels — to remove materials from parts. However, it is also one of the more difficult processes to master. 

In “Choosing the Right Grinding Wheel,” Joe Sullivan walks us through the ways that different grains, bonds and wheel shapes can affect the grinding process, walking through applications that benefit from different materials. In “Grinding Wheel Safety: Respect The Maximum Speed,” Roger Cloutier, Norton | Saint-Gobain Abrasives, explains the relationship between wheel speed and cracking, which can cause grinding wheels to break and injure users. In “New Applications for Electrochemical Grinding,” Julia Hider walks us through the difficult-to-machine materials that can benefit from electrochemical grinding, which uses an electrified grinding wheel to simultaneously dissolve and abrade material from the workpiece. In “Optimize Grinding Processes with Proper Truing and Dressing Tools,” Dave Goetz, Norton | Saint-Gobain Abrasives, discusses the importance of the truing and dressing tool for maintaining a grinding wheel.

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