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Article 1

__summary__ This article disscussion about the advantage and disadvantage of cnc milling machine.Nowadays, this machine are widely in manufacturing indusdry and everybody can use this machine but they should know how to handle this machine. Then we can compare between advantange and disadvantage cnc milling machine in this article. For example, this machine can be use continuously 24 hours a day, 365 days a year. And disadvantage for this machine are more expensive than manually operated machines.

Article 2

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For this article, also discuss about the advantage and specifications for CNC Milling. For advantage, complex shapes from sheet material can be created and is cost so effective for short runs. For specification cnc milling machine requires software program tooling or work holding jigs and also to contain costs avoid large variations in work piece height and avoid

Article 3

__summary__ This article disscussion about the advantage over the order horizontal milling machine design. The advantage are brigdeport type milling machine usually 1 - 5 horsepower motor. Beside that, the horizontal milling machine must use bigger cutting tool vertical mills. then vertical milling machine are less complex than horizontal milling machine.

Article 1

Conventional **machining**, one of the most important material removal methods, is a collection of material-working processes in which power-driven [|machine tools], such as [|lathes] , [|milling machines] , and [|drill presses] are used with a sharp cutting tool to mechanically cut the material to achieve the desired geometry. Machining is a part of the manufacture of almost all metal products. It is not uncommon for other materials to be machined. A person who specializes in machining is called a [|machinist]. Machining is also a hobby. A room, building, or company where machining is done is called a **machine shop**. Computer Numerical Control (CNC) Milling is the most common form of CNC. CNC mills can perform the functions of drilling and often turning. CNC Mills are classified according to the number of axes that they possess. Axes are labeled as x and y for horizontal movement, and z for vertical movement, as shown in this view of a [|manual mill table.] A standard manual [|light-duty mill] (such as a Bridgeport™) is typically assumed to have four axes: The number of axes of a milling machine is a common subject of casual "shop talk" and is often interpreted in varying ways. We present here what we have seen typically presented by manufacturers. A five-axis CNC milling machine has an extra axis in the form of a horizontal pivot for the milling head, as shown below. This allows extra flexibility for machining with the end mill at an angle with respect to the table. A six-axis CNC milling machine would have another horizontal pivot for the milling head, this time perpendicular to the fifth axis.
 * 1) Table x.
 * 2) Table y.
 * 3) Table z.
 * 4) Milling Head z.

CNC milling machines are traditionally programmed using a set of commands known as G-codes. G-codes represent specific CNC functions in alphanumeric format.

The three principal machining processes are classified as [|turning], [|drilling] and [|milling]. Other operations falling into miscellaneous categories include shaping, planing, [|boring], [|broaching] and [|sawing]. Turning operations are operations that rotate the workpiece as the primary method of moving metal against the cutting tool. Lathes are the principal machine tool used in turning. Milling operations are operations in which the cutting tool rotates to bring cutting edges to bear against the workpiece. Milling machines are the principal machine tool used in milling. Drilling operations are operations in which holes are produced or refined by bringing a rotating cutter with cutting edges at the lower extremity into contact with the workpiece. Drilling operations are done primarily in [|drill presses] but not uncommonly on lathes or mills. Miscellaneous operations are operations that strictly speaking may not be machining operations in that they may not be chip producing operations but these operations are performed at a typical machine tool. [|Burnishing] is an example of a miscellaneous operation. Burnishing produces no chips but can be performed at a lathe, mill, or drill press. [|Hounshell, David A.] (1984), From the American system to mass production, 1800-1932: The development of manufacturing technology in the United States, Baltimore, Maryland, USA: Johns Hopkins University

Article Summary This article tell about what is milling machine.The conventional milling machine is a material-working processes that used with a sharp cutting tool to mechanically cut the material in order to achieve the desired geometry. Computer Numerical Control (CNC) Milling can perform the functions of drilling and turning. The number of CNC axis are labeled as x and y for horizontal movement, and z for vertical movement: A five-axis CNC milling machine has an extra axis in horizontal that will allows extra flexibility for machining with providing an angle to create desired geometry that we want. CNC milling machines are programmed using a set of commands known as G-codes. The G-codes are programmed in alphanumeric format that will be represent specific CNC functions to run the machine in order to cut the workpiece as we want.

Article 2



Article summary In this article, it describe milling as a process of cutting away material of a workpiece using variety rotating tooth cutter. The surface that we cut can be milled to any combination of shapes such as flat, angular, or curved. This article also have the classification, methods, equipments, the types and also the research on milling

Article 3

Article summary

In this article,a milling machine is used for the shaping of metal. This machine function due to the orientation of the cutting tool spindle with the existence of horizontal and vertical axis. It use to cut metal that involves the movement of workpiece against the rotating cutter. Milling machines can be manually, mechanically, or digitally operated. This machine can go through various types of operations. It also has cutting fluid to cool the cutting site. The CNC milling machines function by using computer controlled. This machine has five-axis with addition two more axis combined with the three normal axis (XYZ) that programmed with CAM. All of these axis are used in conjunction with each other, so that various geometries can be made with these machines