Grinding Machine : Most commonly it is also known as a Grinder. It is a machine which is used to finish workpieces that must show high surface quality as well as high accuracy of shape and dimension. This machine is commonly used on cast iron and various types of steel. This process includes the operation of removing excess material from metal parts. Basically, it makes use of an abrasive wheel in form of cutting tool. The wide application and versatility of the grinding process have led to design the several types of grinding machines. Some common types of grinding machines are: Belt Grinder. Bench Grinder. Cylindrical Grinder. Surface Grinder Tool and Cutter Grinder. Jig Grinder. Gear Grinder. Die Grinder. Angle Grinder. The reasons behind the success of these machines are: Low consumption of energy. High production efficiency. Good processing quality etc. Milling Machine is very versatile machines. These machines are used in shaping flat and irregular