Choosing and Purchasing CNC Machines

Are you in the market for a CNC (Computer Numerated Control) machine? CNCs are very useful for industrial work and woodworking shops. They really aren't beneficial for the weekend do-it-yourselfer but if you would like increased speed and accuracy on large jobs with repetitive tasks then you should consider purchasing a CNC machine. Here are some tips to determine the right one for you and your budget.

First off, it's important to know what a CNC machine does and how it operates. It is a machine that performs tasks using woodworking tools. It must be programmed properly before operation and once the initial set up is done, it will do exactly what you've programmed. Therefore, if you have a repetitive task then the CNC machine will ensure accuracy and uniformity. For example, a CNC router can be programmed to drill holes in a designated fashion. The results will be more uniform and accurate than drilling manually and you won't become tired of operating a manual drill.

There are different types of CNC machines depending on the job that needs to be accomplished. The better CNC machines can operate in multiple modes from fully manual to completely CNC so you can tailor the machine to the project and task.

There is the CNC lathe which is for cutting wood. They range from 15-40 horsepower and the amount you need depends on the amount and type of wood you'll be cutting. There is also the CNC mill which is a special piece of equipment that uses programming along with robotics to ensure accurate results. Once it's programmed, the CNC machine decides which tools for the job and will automatically change the tools when needed. The Bridgeport mill is the best brand and is used in both small and large industries. They are used in airplane construction for their reliability and accuracy. These efficient and reliable pieces of equipment are very expensive but they're built to last a lifetime.

There is also CNC engraving equipment which is used for engraving a variety of materials and are more accurate that any manual engraving could be. They are widely used for signage lettering for both large and small projects.

CNC equipment is out of most people price ranges and is therefore something that really requires an industrial need to see a return on investment. If a new machine is too much then consider buying a used machine. If it is a reputable brand and the owner can show you that it's been properly maintained then it could still last a lifetime. Make sure you see the machine in operation before spending the money.

Not as inexpensive, but still a savings and more reliable is a refurbished CNC machine. The machine is reconstructed by the manufacturer and worn parts are replaced. They often come with a warranty so it offers some consumer safety.

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