Oil grooves are used to lubricate the inside of a bearing, and can come in many forms — from a single hole that takes a few drops of oil, to helical patterns that distribute it over the entire ...

The basic engine lathe, one of the most widely used machine tools, is very versatile when used by a skilled machinist. However, it is not particularly efficient when many identical parts must be ...

Turning is a metalcutting process used for the generation of cylindrical surfaces. Typically the workpiece is rotated on a spindle and the tool is fed into it radially, axially or both ways ...