A handful of nice precision turning images I identified:
Turning the Radius on the Crank Internet
Image by tudedude
Crank Web milled to length, fitted on jig ready for turning.
Indexable Insert Tipped Turning Tool
Image by tudedude
Turning Tool with a Tungsten Carbide Cutting tip that can be rotated to present fresh cutting edges accurately every single time. Macro
2 Connecting Rods ahead of Machining
Image by tudedude