For diesel engine bodies, large and ultra major gantry milling and submitting equipment and Hefty CNC Floor milling and submitting machines, and massive CNC lathes and turning and milling centers, big CNC equipment grinding equipment, crankshaft controlled milling equipment, huge crankshaft turning and milling centers and crankshaft grinders are necessary. https://bookmarkinglife.com/story3650176/machining-concepts-llc-fundamentals-explained