Trending to Turning: Hard Turning

Posted Leave a commentPosted in Machining

Holding a few tenths tolerance on a piece of 60-HRC steel was once the domain of expensive grinding equipment. Today, it’s no big deal. A growing number of machine shops are shoving their OD grinders into the corner and replacing them with relatively inexpensive lathes. The ability to inexpensively, accurately and quickly cut hardened steel […]

Hard and Fast Rules – Lessons Learned with Hard Turning

Posted Leave a commentPosted in Machining, Shops, People and Places

Advanced cutting tool materials such as polycrystalline cubic boron nitride and ceramic have made the turning of hardened steel a cost-effective alternative to grinding. Indeed, many machine shops have retired their cylindrical grinders in favor of less expensive and more versatile CNC lathes. Today’s sophisticated CNC lathes offer accuracy and surface finishes comparable to what grinders […]