What type of machining operation would typically involve the use of a lathe?

A lathe is primarily designed for the turning operation, which involves rotating a workpiece against a cutting tool to remove material. This process allows for the creation of cylindrical shapes, precise diameters, and fine finishes on the external or internal surfaces of the workpiece. Lathes are particularly suited for operations such as cutting threads, tapering, and shaping; all tasks that are pivotal in the machining industry.

In contrast, drilling operations are carried out using a drill press or similar equipment, where a rotating drill bit creates holes in the workpiece without any rotation of the part itself. Milling involves the use of a milling machine that employs rotary cutters to remove material through a transverse motion, making it different in function from a lathe. Grinding usually utilizes abrasive wheels to achieve high precision finishes on surfaces, which again does not align with the primary function of a lathe. Thus, turning stands out as the operation specifically associated with lathe usage.