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Computer-Control Programmers and Operators
Computer control programmers and operators accurately cut parts and materials using computer numerically controlled (CNC) technology. The following are examples of CNC technology: electrical discharge machines (EDM), laser alterations, and multi-axis spindles. CNC technology is designed to alter solid pieces of glass, plastic, or metal. They frequently work with large amounts of one material, but they can work with smaller quantities of rare materials. These professionals combine their expertise in metal composition and CNC technology to make precise cuts.
Before a cut can be made, CNC specialists must make project preparations. To begin, they examine computer blueprints, usually appearing in three-dimensional forms. They then make the necessary measurements and calculations to determine the location of the cut, the rate to feed material into the equipment, and the exact amount of material to cut. Once preparation is complete, they select the appropriate tools to complete the job.
Once tools are in place to complete a project, CNC programmers enter numbers and other instructions into the cutting equipment. After this is done, commands are translated so the computer can interpret them. They usually enter numbers into the computers, the cut to be performed, and the rate of the cut. They are also charged with maintaining equipment and making sure it is working properly. Since the equipment is expensive, and complications could cause irreparable damages, computer generated simulations are frequently used to check equipment for problems. More machines are now linking CAD/CAM technology and CNC equipment, making it possible for computers to more readily translate commands for the cutting equipment.
Once commands are entered and all the preparation work is complete, CNC specialists complete the task. CNC specialists place information on servers via networks or computer disks. Some high tech machines actually ask questions before performing any operations. Before materials are cut, CNC operators place metal into the equipment before it automatically cuts it. Heavy materials are placed in machines with forklifts or other lifting equipment. If complications occur during cutting, CNC operators must make the proper machine adjustments. To make these changes, CNC specialists must be trained in CNC programming.
In order to boost productivity, manufacturers increasing prefer workers who can quickly adapt to new technology and perform a wide range of tasks. As a result, CNC operators often are required to perform many of the basic skills of a machinist and a CNC programmer. However, some manufacturers simply need CNC operators to be ‘button-pushers.’ They primarily start and stop machines, load cutting programs, and load and unload parts and tools.
To monitor proper machine operation, CNC operators listen closely for unusual sounds or extreme vibration. They pay close attention to vibrations since vibrations affect cutting operations. If unusual vibration is constant, CNC operators alter the machine’s cutting speed. Moreover, CNC operators must ensure materials do not become too hot and are lubricated since excessive amounts of heat are created during the cutting process.
In many cases, an individual CNC specialist will supervise numerous machines since most are automated. Usually, specialists supervise a couple machines making simple cuts while paying strict attention to a machine making complicated cuts. For example, cutting stainless steel can be very complicated. CNC specialists are usually expected to ensure machines they supervise are constantly operating during their shifts.
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