Tooling U - Overview of Machine Tools 121 with Complete Solutions!

Arbor - ANSWER-An axle-like machine component attached at one end to the spindle in a horizontal milling machine. The arbor holds and rotates the milling cutter. Automatic Bar Machines - ANSWER-A turning machine that continuously cuts a number of parts from a piece of bar stock. Automatic bar machines are also known as bar feeding machines. Axis - ANSWER-An imaginary straight line that passes through the center of an object. A cylindrical workpiece typically rotates around its axis. Band Saws - ANSWER-A saw that uses a saw blade constructed from a continuous loop or band of metal. Band saw blades are flexible, so they are able to cut gradually curving lines in flat workpieces. Bar Feeding Machines - ANSWER-A turning machine that continuously cuts a number of parts from a piece of bar stock. Bar feeding machines are also known as automatic bar machines. Bar Stock - ANSWER-Raw material purchased from metal manufacturers in the form of long pieces. Bar stock is a common form of workpiece material. Base - ANSWER-The foundation of a machine that supports all the other machine components. Bases provide both stability and rigidity. Bed - ANSWER-The main supporting structure upon which the operating parts of a machine are mounted and guided. Beds provide a foundation for various machine tools. Bed-Type Milling Machine - ANSWER-A type of milling machine with a large bed that only moves along a horizontal axis. Bed-type milling machines mill large, flat workpieces. Boring - ANSWER-The process of enlarging an existing hole with a single-point tool. Boring is commonly performed on a lathe. Broach - ANSWER-A multi-point cutting tool made of a series of teeth that progressively increase in size. Broaches can both remove metal and finish the surface of a workpiece with one pass of the cutting tool. Broaching Machine - ANSWER-A machine that uses a multi-point cutting tool to shape and finish either the interior of a hole or the surface of a workpiece. Broaching machines remove large amounts of material from a workpiece.