What machine is used to grind metal?

Grinding is vital in metalworking for precision and surface finishes. Different machines serve distinct purposes.
Bench Grinders: Basic and popular, with two motor - driven grinding wheels on a spindle. Ideal for home workshops, they're used for quick touch - ups like sharpening chisels and drill bits. Abrasive wheels vary according to the metal.

Surface Grinders: These create smooth, flat surfaces on metal workpieces. A rotating abrasive wheel removes material. High - precision and used in manufacturing, especially for engine blocks and molds. Can be manual or automated.

Cylindrical Grinders: For grinding cylindrical or conical metal parts. The workpiece rotates as the grinding wheel moves along its axis. Essential for making shafts and rods, like automotive crankshafts.

Centerless Grinders: Designed for grinding the outside diameter without a center hole. Efficient for high - volume production of pins and small cylinders, offering great finish and accuracy.

When choosing a grinder, consider metal type, desired finish, workpiece shape, and production volume. Understanding each machine's capabilities helps achieve quality results.