A cylindrical grinding machine may have multiple grinding wheels. here the work piece is rotated and fed through the wheels to form a cylinder. it is widely utilized to manufacture accurate objects like tubes, rods, bushings, bearings, and other parts. an efficient surface grinder may be.A grinding machine, often shortened to grinder, is one of power tools or machine tools used for fed past the wheel(s) to form a cylinder. it is used to make precision rods, tubes, bearing races, bushings, and many other.