History and Definition of CNC 100

CNC Training

Class Information

ToolingU.com classes are offered at the beginner, intermediate, and advanced levels. The typical class consists of 12 to 25 lessons and will take approximately one hour to complete.

Class Name:	History and Definition of CNC 100
Description:	This class outlines the origin of today's CNC machines and explains how modern CNC evolved from its original designs.
Prerequisites:	none
Difficulty:	Beginner
Number of Lessons:	13
Language:	English, Spanish, Chinese

Below are all the competencies and job programs that contain the class History and Definition of CNC 100. Job programs are our traditional class lists organized according to common job functions. Competencies are our latest job-specific curricula that help tie online learning to practical, hands-on tasks.

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Competencies
CNC Lathe Operator CNC Mill Operator Raw Material Production

Class Outline
Objectives Modern Manufacturing Computer Numerical Control (CNC) CNC Versatility History of NC Machines Increases in NC Use Changes From NC to CNC Systems Common CNC Machines Other CNC Machines Key Advantages of CNC CNC Benefits CNC Costs Summary

Class Objectives

Describe the demands of modern manufacturing.
Identify the essential components of CNC.
Describe factors that contribute to the versatility of CNC.
Describe the origin of NC machinery.
Identify factors influencing the early use of NC.
Distinguish between NC and CNC.
Identify common CNC machines.
Identify less common CNC machines.
Describe the advantages of CNC.
Describe the benefits of CNC.
Describe the disadvantages of CNC.

Class Vocabulary
code		To create programmable sets of instructions for a CNC machine.
computer numerical control		A type of programmable automation, directed by mathematical data, which uses microcomputers to carry out various machining operations.
downtime		Unproductive blocks of time during which operations cease to function, normally due to mechanical problems or a lack of materials.
drill		A machining tool used to penetrate the surface of a workpiece and make a round hole.
electrical circuitry		A closed path that an electric current follows, usually through devices and wires.
end mill		A thin, tall mill cutter with cutting edges that wind up the sides. Both the bottom and side of the end mill are used during milling operations. End mills resemble drills.
face mill		A flat mill cutter with multiple cutting teeth surrounding the tool. The bottom of the face mill is primarily used during milling operations.
finishing		Final operations performed for obtaining desired tolerance and/or surface finish.
fixed automation		A process using mechanized machinery to perform fixed and repetitive operations in order to produce a high volume of similar parts.
grinder		A machine that uses an abrasive to wear away at the surface of a workpiece.
hardware		The physical components of a CNC machine.
interface		The control panel and displays with which the operator interacts with the machine.
job changeover		The time it takes to switch from one part to another.
lathe		A tool commonly used to machine cylindrical forms. It is generally considered the backbone of the machine shop.
machine control unit		A small, powerful computer that controls and operates a CNC machine.
magazine		A arrangement of multiple tools that allows a CNC machine to rapidly change from one machining operation to the next.
mill		A machining tool used to either horizontally or vertically remove metal from the surface of a workpiece.
mylar tape		A thin, yet strong polyester film that was used to transmit programs to numerically controlled machines.
paper tape		A way of transmitting programs to numerically controlled machines. This method is all but extinct.
part program		A series of numerical instructions used by a CNC machine to perform the necessary sequence of operations to machine a specific workpiece.
prototype		The original test model of a product.
punch presses		A machine that uses force to either cut or form a workpiece.
punching		Using force to cut or form a workpiece.
repeatable		The ability to position workpieces in the same place part after part.
stamping		Forming metal with the use of dies and punches.
three-axis curvature data		Information that describes the motion and position of an object using three-dimensional data.
turret press		A CNC punch press that contains several tools.
welder		A device used to join two pieces of metal together through the application of heat.