What is CNC?
CNC stands for Computer Numerical Control. It is a computerized manufacturing process in which pre-programmed software and codes control the movement of production equipment. CNC machining controls a range of complex machinery such as grinders, lathes and turning machines, all of which are used to cut, shape and create different parts and prototypes. Every day, CNC machinists combine mechanical design, technical drawings, math and computer programming skills to produce a variety of metal and plastic parts. A CNC operator can machine a sheet of metal into a critical aircraft or automotive part.
What is a CNC machine tool?
Computer numerical control machines are automatic machines that are operated by a computer executing a pre-programmed sequence of control commands. CNC machines are essentially the opposite of 'old-fashioned' equipment, which are manually controlled by handwheels or levers, or mechanically automated only by cams. Today's modern CNC machines understand and operate using a CNC machining language known as G-code, which tells them production measurements such as feed rate, velocity, position and coordination.
The design and mechanical components of today's CNC systems are highly automated, unlike the old, dangerous factory machines you'll recall. The mechanical dimensions of the part are defined using computer-aided design (CAD) software, which is then translated into manufacturing instructions by computer-aided manufacturing (CAM) software. Therefore, it is very important to have CNC machinists and programmers knowledgeable in the industry to operate this high-tech machine.
getting Started
People who pursue a career as a CNC operator enjoy working in a field that is practical, never boring, and constantly evolving.
With proper CNC machining training, machinists and operators play a vital role in Connecticut's thriving manufacturing industry and overall economy by helping to produce a wide variety of manufactured goods. Skilled CNC machinists see products at every stage of product creation, from initial concept to design, to coding, and to the finished product. In this way, CNC machining is not just a typical manufacturing job; it is a hands-on, creative, and rewarding career path for innovators who like to see the life cycle of their work.
What is it like to be a CNC machinist?
Typical day-to-day responsibilities of a CNC operator may include:
Read blueprints, sketches or computer-aided design (CAD) and computer-aided manufacturing (CAM) files
Set up, operate and dismantle manual, automatic and computer numerically controlled (CNC) machine tools
Align, hold and adjust tools and workpieces
Monitor machine feeds and speeds
Turning, milling, drilling, forming and grinding machine parts to specification
Measure, inspect and test finished products for defects
Smooth the surface of a part or product
Show the finished product to the client and modify it as needed.
