STANDARD COMPETENCIES:

 

 I.      Locate, identify, and explain the purpose of the basic components of a

 II.     CNC machine

 III.    Explain the coordinate grid system and how it relates to the CNC machine

 IV.     Define absolute programming and the use of coordinates

 V.      Define incremental programming and the use of signed incremental distances

 VI.     Explain the four most common axes, X, Y, Z and B

 VII.    Perform basic operations using the CRT and soft keys

 VIII.   Explain what makes up a part program

 IX.     Explain what makes a block

 X       Define basic G codes, M codes and what F, P, S, T, X, Y, and Z address as words and their functions

 XI.     Explain modal codes and address words non-modal codes and address words Locate, identify, and explain the use of the basic controls on the operator control panel

 XII.    Rests an (E-Stop) condition and perform a manual reference point return operation

 XIII.   Unload a finished part and load a workpiece into a fixture and start an active program

 XIV.    Use the program text and program check screens to monitor program execution Delete a program and explain why it is necessary

 XV.     Load a program from a punched tape

 XVI.    Activate a program already stored in memory

 XVII.   Use G28 to return the machine to a reference point

 XVIII.  Jog the machine using the jog buttons and handwheel

 XIX.    Remove and install a fixture or fixtures into the machine bed

 XX      Remove tooling from and load tooling into the toll magazine

 XXI.    Manually remove a tool form and load a tool into the machine spindle

 XXII.   Establish program zero location by dialing in on a set point hole and use ALTER editing to establish the point in the G92 block

 XXIII.  Establish program zero location by use of G54 through G59  Explain tool length offsets and why are they used

 XXIV.   Measure the value of tool length offsets in three ways

 XXV.    Display, clear, and enter values into the tool offset table

 XXVI.   Perform INSERT, ALTER, and DELETE editing

 XXVII.  Prepare and control and start the trial run

 XXVIII. Calculate coordinates and correction values to correct a tool path

 XXIX.   Identify and correct problems caused by tooling

 XXX     Stop and restart the program and remachine all or part of a tool path by rerunning blocks

 XXXI.   Define the basic circular cut information needed to produce arcs and complete circles

 XXXII.  Explain the information used in the circular cut data blocks required to produce a circular feature and describe the tool path

 XXXIII. Edit a complete circle feature to bring the feature into a proper location and size

 XXXIV.  Explain the basic operation and basic format of a conned cycle

 XXXV.   Explain the drilling and reaming canned cycle

 XXXVI.  Explain the tapping cycle

 XXXVII. Explain the boring canned cycles

 XXXVIII.Explain the use and response of various controls during canned cycle operations and edit a canned cycle to correct errors or make it more efficient

 XXXIX.

 TOPICAL OUTLINE:

 

 I.      The Computer Controlled Machine Tool

 II.     Displaying and Reading Part Programs

 III.    Basic Controls and Starting the Part Program

 IV.     Deleting and Loading Programs and Installing Fixtures

 V.      Loading Tools and Setting Program Zero

 VI.     Tool Length Offsets

 VII.    Cutter Radius Compensation

 VIII.   Machining a Workpiece On a CNC Machine

 IX.     Identifying Machining Problems and Rerunning Blocks

 X       Circular Compensations

 XI.     Canned Cycles