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CNC Machining is a process used in the manufacturing sector that involves the use of computers to control machine tools. Tools that can be controlled in this manner include lathes, mills, routers and grinders. The CNC in CNC Machining stands for Computer Numerical Control.  On the surface, it may look like a normal PC controls the machines, but the computer's unique software and control console are what really sets the system apart for use in CNC machining. Under CNC Machining, machine tools function through numerical control.  A computer program is customized for an object and the machines are programmed with CNC machining language (called G-code) that essentially controls all features like feed rate, coordination, location and speeds. With CNC machining, the computer can control exact positioning and velocity. CNC machining is used in manufacturing both metal and plastic parts.  First a CAD drawing is created (either 2D or 3D), and then a code is created that the CN...

CNC Programming is one of the most effective ways that people are using today in order to cut metal and do other processes in manufacturing. Many hobbyists are using CNC programming to produce woodworking, metals and foam objects. CNC has created a way for many people to manufacture or fabricate parts quickly and effortlessly. CNC stands for computer numerical control and is basically the use of a computer to do certain types of operations. This is a process that can be applied to lathe, router, foam cutters and laser machines; it can also be applied to mini versions of these types of machines. There are basically two types of categories that CNC program will fall into point to point positioning or continuous path positioning. Usually a computer can execute both types of programming depending on the sophistication of the software program being used. This means that the operator must understand both processes in order to run the machine. Here is a simple explanation of these two c...

Many industrial concerns have workshops of their own. For the repair of worn shafts, the lathe machine is excellent. Keyway slots can be machined by using a milling machine, while a shaping machine can do machining of large flat areas. A drilling machine does drilling of holes. A skilled Maintenance Engineer should know how to use all these machines in order to make his own repairs in a safe manner. Very often he has to supervise machinists. The information below should be useful for that purpose. Lathe Machine The lathe machine uses a single-point-cutting tool for a variety of turning, facing, and drilling jobs. Excess metal is removed by rotating the work piece over the fixed cutting tool to form straight or tapered cylindrical shapes, grooves, shoulders and screw threads. It can also be used for facing flat surfaces on the ends of cylindrical parts. The work piece is clamped onto a horizontal rotating shaft by a 3-jaw or 4-jaw chuck. The latter chuck...

A milling machine is one of the most used shop tools in today's manufacturing world. Without it, hours and hours of manual labor would be required to produce even simple machine parts. Today's manufacturers depend on mills to give them the parts they need quickly, efficiently and at an affordable cost. This amazing piece of shop equipment is used to shape solid material such as metal, plastic, brass or wood. It is somewhat different than a lathe because finished parts are not cylindrical. A mill uses a high-speed cutting tool that moves over and into material that has been securely placed on the table. A mill can produce a finished part or a vacuum forming mold. Today's mills are not usually designed to cut underneath a top surface. Instead, they more effectively create many separate components which can later be formed into more complex items. CNC (Computer Numerical Control) technology is primarily used in today's sophisticated machine mills. This method of cont...

CNC is a system that has end to end component design is highly automated with the use of CAD programs. The programs generate a computer file that is translated to extract the commands that are needed to control a specific machine and then loaded into the CNC machines for production. CNC means Computer Numerical Control and it signifies particularly to the computer control of machine equipment. The principle purpose of CNC milling machines is repeatedly produce complex part in metal as well as other materials with the use of unique coded program. This particular coded program that is being used by CNC milling machines is written in a notation known as the G-code. It indicates a specific CNC milling duties in alphanumeric format. CNC milling was produced in the year 1940 by MIT servomechanism laboratory. CNC milling can operate the functions of drilling and turning. It can be identified according to the number of axes that they had, it is often labeled as X and Y for horizontal motio...