The CNC Family
You might have not heard of the CNC before, or what it does, or how it makes lofty manufacturing operations a lot easier. However, CNC machining is dubbed as one of the most important factors of most production processes. The common tasks CNCs machines usually perform are drilling holes, tool changing, cooling and lubrication of separate factory machines at the same time.
Let’s start with a brief introduction. CNC stands for Computer Numerical Control and it has been around since the early 1970’s. Before it was christened CNC, it was called NC, for Numerical Control. When computers were introduced during 1070’s, the name changed. It has stroked almost all manufacturing forms in almost all stages of production. CNC machines either substitute some existing manufacturing processes or combine work with them.
A CNC program is just any other set of instructions. It’s written like a sentence and the order of operation is chronological. The machine will then execute that set of instructions step-by-step. A special series of CNC words/codes are used to relay what the machine is supposed to do. CNC codes begin with letter addresses (like S for spindle speed, and X, Y & Z for common linear axis motions).
When certain codes are arranged together in a coherent method, this group of CNC codes create a “command” that is like a sentence. A common CNC machine will only be needing around 40-50 words/codes to program different commands. See, it’s not very difficult to learn.
Although CNC sounds very independent and do-it-all, there are a few words that you need to know to fully understand CNC operations.
THE CAM
CAM stands for Computer Aided Manufacturing. It simplifies the programming processes which are new, and added to the CNC program regularly. Of course, the easy applications can be programmed with only the simplest machines around: the pen, paper and calculator. However, more complex programs are vital regularly. It is when composing these programs become much more tricky and (worse) tedious.
The CAM is a program that runs on a computer that aids the CNC programmer with the programming. It also works hand-in-hand with the CAD (Computer Aided Design) design drawing (those designs engineers compose/nurture). With the CAM helping, redefinition of the work-piece configuration is not needed. What the CNC programmer is left to do is just to specify the machine operations to be executed and the CAM system will compose the CNC program automatically. Thanks to CAM, programming tediousness will not be a problem to the CNC programmer again.
THE DNC SYSTEM
DNC stands for Distributive Numerical Control. It is a computer that is connected with one or more CNC machines, forming a network. When a program is manually composed and ready to be loaded to the CNC control, it is being typed right into the control. However, this is like using the CNC machine as a luxurious keyboard.
Moreover, if the CNC program is achieved with the help of CAM, it is already in text form and ready to be loaded to the CNC control. The DNC simply distributes the CNC program to more than one CNC machine. Lately, the newest controls are more advanced in terms of networking capabilities and can be networked with, say, the Ethernet.
If it’s your first time to read and learn about the CNC, it may sound so mighty and ubiquitous. It’s about time you learn they also need help from some programming friends such as the CAM and the DNC. No man is an island; but hey, neither are CNC machines.
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Disclaimer
The Publisher has strived to be as accurate and complete as possible in the creation of this website, notwithstanding the fact that he does not warrant or represent at any time that the contents within are accurate due to the rapidly changing nature of the Internet.
This site is a common sense guide to The CNC Family. In practical advice websites, like anything else in life, there are no guarantees of income made. Readers are cautioned to reply on their own judgment about their individual circumstances to act accordingly.
This site is not intended for use as a source of legal, business, accounting or financial advice. All readers are advised to seek services of competent professionals in legal, business, accounting, and finance field.
Any perceived slights of specific people or organizations are unintentional.
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The CNC Family
When To Shove People Out To Make Way For CNC
CNC Machine Setup and Operation
Pad Printing with CNC
CAM: A Vital Component of CNC
In Depth Discussion In Planning CNC Programs
Motion Control - The Heart of CNC
Cycle Time Reduction Principles for CNC Machining Equipment
Meet Your "Other" Employees: The Basic Parts of a CNC Machine
Practical Applications of CNC
The Different CNC Machines
Weighing Technology's Offers: The Pros and Cons of a CNC Job
People You Will Need When You Already Have A CNC Machine
3 Basic Motion Types in a CNC Machine
Understanding CNC
What It Takes to be a CNC Operator
Industries That Constantly Define CNC Precision
My Bestfriend's Name Is CNC: A Company’s Perspective
Programming 101: CNC
How CNC Helps Companies
Pros and Cons in Sheet Metal Manipulation with CNC
Data Transfer Methods of CNC
Programming CNC Machines With G-Codes
CNC Programming Tips the Professional Way
How To Effectively Consider CNC
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