Sunday, March 1, 2009

Productivity Soars With CNC Machines

CNC machines can be a lifesaver in an industry setting. They speed up work in those tedious jobs that seem to never end. Although they can be a bit pricey new for solo use, you can put one to work on your wood working room for around half the price if you buy used.
About CNC Machines - How Do They Work?
CNC machines, aka Computer Numerated Control machines, are mechanical drillers, in a nutshell. When they are programmed properly, the CNC equipment can produced drilled holes in record time. This technology first hit industry in the 1970s and turned manual labor on its head. Production times were reduced significantly by this milling machine.
The reason CNC machines were so revolutionary is because they could complete the work of many human drillers in record time, and the work they were produced all but eliminated human error. Many industrial industries rely upon CNC equipment every day.
CNC Machine Types
If woodcutting is your thing, a CNC lathe is the way to go. This machine can cut your wood in any width and shape you want with minimal error and incredible speed.
For a milling machine, a Bridgeport machine is the best choice. Although these machines are extremely pricey, they can also make milling significantly more productive.
CNC machines can also be used for engraving. They can engrave on nearly any surface, and with the right programming, they can engrave a huge variety of different fonts, letters, and designs.
CNC Machines on a Budget
These machines might be ultra productive, but most individuals could never make enough use out of them to justify their hefty price tag. However, if you have a small but growing business, a CNC machine could take you to the next level. Buy used, save big time, and watch your profits grow.
Refurbished CNC machines are even cheaper than ones that are merely used but have never had any problems. A refurbished machine is one that has been repaired by a professional, and the extent of the repairs will impact the price you can get on one. You don't have to fear these refurbished machines because they have had a few problems in the past. In almost every case, a refurbished machine will come with a warranty that will give you peace of mind about your investment. Shy away from those "buyer beware," no warranty type of packages. A good refurbisher won't mind backing up their own work.
The technical writer Guy Morris is particularly interested in areas relating with cnc tools and cnc woodworking machines. His contributions on cnc machines can be found on http://www.insidewoodworking.com
Article Source: http://EzineArticles.com/?expert=Guy_J_Morris

CNC Machines

What is a CNC Machine? CNC stands for Computer Numeric Control. Sounds complicated, but it isn’t. Years ago, it was just NC, or Numeric Control. Since, they’ve added computers to control the machine.
In the simplest of terms, think of a drill press. It’s a machine that drills holes. But before you can drill the hole, you have to loosen the chuck, install the correct drill bit, drill the hole in the correct place, turn off the drill, and remove the drill bit. Manually, this could be time consuming and cause fatigue over the course of numerous parts. This is a simple example, but throw in some lathe or milling machining and you have a greater chance for error.
With the CNC machine, all of this drilling can be done automatically instead of the manual process listed above. Machining has to be precise, and whether you use a CNC lathe or milling machine, you have to make sure the part is right. The computer takes a lot of the guesswork out of the machining of these parts. In fact, a CNC programmer can sometimes get bored watching the machine do all the work.
But there is more programming for the machine than you would think. The operator has to enter a set of instructions. The programming uses about 50 words and tells the machine how fast, how deep, and location for machining.
What can you do with a CNC machine? In manufacturing, you can use this tool for milling, drilling, reaming, boring and counter boring. You can also groove and thread parts in a CNC turning center. You may have several setups including CNC lathes, CNC drill and tap area, CNC milling, or even CNC grinding.
EDM (electrical discharge machining) can also take advantage of CNC operations. EDM can be either vertical or wire. A vertical EDM machine uses an electrode to make a cavity for a plastic injection-molding machine. A wire EDM machine uses a wire to cut metal for a tooling operation for fabrication. EDM is more closely related to making tooling for other machines, people often overlook the use of CNC with these machines.
CNC machines can also be used with routers in the wood industry. CNC can also be used with lettering and engraving.
I hope this gave you some basic information about what a CNC machine is and what they are used for.
Stuart Simpson
http://www.cnc-machine-review.com
Article Source: http://EzineArticles.com/?expert=Stuart_Simpson

Do It Yourself (DIY) CNC Machine

When you want to build your own CNC machine there are literally thousands of plans and step-by-step websites that offer information on how to do it. The only thing you will have to decide is what type of CNC machine you want to make.
You can start by thinking about what you want the machine to do. As an example, you can build a small or large machine, it can do milling, routing, cutting or lathing, you can build it for a variety of different materials and you can use it for developing just about anything.
Most do it yourself information gives you pictures and step by step instructions as to how to start and complete your CNC machine. Although many people want to build a CNC machine from the bottom up you also have the option of using kits or modifying a regular machine you have to the CNC. As an example, you may have a lathe machine that you want to convert to CNC and all you will need to do is make a few extra steps.
Parts for making your own CNC machine are readily available from a variety of manufacturers. You also can find parts that are from other things. As an example, if you are building a milling machine you can use the motor from an old dot matrix computer if you can find it. You can scavenge parts from a lot of different places in order to make a functional CNC machine.
Also, there are blogs, forums and other information geared specifically toward the individual who wants to build their CNC machine. If you are a more hands on learner there are also a variety of videos that show you how to create a CNC machine.
In order to build your own CNC you will need to acquire the components that are right for your machine. As an example, the parts you need to build a milling machine will be different than those to build a foam cutter. So, you will want to know which type of machine you want to build before you begin.
The person who builds their own machine needs to know about circuitry, computers, programs and how to put machines together. All of this may be information that you already have especially if you have a job where you are working a CNC machine or if you have had a general interest hobby in making metal or other types of parts.
Many DIYers are people who are hobbyist. Many put together machines and then either sell the plans to others or put them on a website with pictures and step by step instructions. Usually the cost of the plans is under $40 and this includes detailed pictures.
The type of CNC machine you can build is only limited by your imagination. Most people concentrate on milling machines and router tables but you can also find plans for plasma cutters, foam cutters and lathes all with CNC adaptations. If you are a hobbyist you may consider the mini CNC machine because it is small enough to fit on a workbench or table top and runs through the use of your PC.
CNC Information is a new Community website all about DIY CNC Machine. Stop by today to get your free ebook just for signing up to be a member of our free site. Get all of the information you need on DIY CNC Machine and a free CNC Ebook on the basics of CNC. Stop by CNCInformation today.
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