Chabot College
March 1993
Replaced Fall 2010
Course Outline for Machine Tool Technology 81A
COMPUTER PART PROGRAMMING I
Catalog Description:
81A – Computer Part Programming I
(May be repeated 3 times)
3 units
Introduction to computer-assisted part programming numerical controlled drilling and milling
machines. Includes theory and laboratory practice on the use of computer terminals, graphic plotters,
tape punches, and high speed printers for processing and debugging computer-assisted part
programs. Prerequisite: Machine Tool Technology 71B. 2 hours lecture, 3 hours laboratory.
[Typical contact hours: lecture 35, laboratory 52.5]
Expected Outcomes for Students:
Upon completion of the course, the student should:
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have a basic working knowledge of computers and their operation;
develop a production process sheet from engineering part prints;
use a computer terminal to develop basic mill and drill programs.
use a computer terminal to prepare N/C machine control tapes;
use a computer terminal for program editing.
Course Content
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Introduction to computer-assisted part programming
Basic computer fundamentals and operation
Design a manufacturing process sequence from engineering part prints
Basic computer-assisted geometry construction
Defining geometric shapes and tool paths
Writing computer-assisted part programs for numerically controlled milling and drilling
Using specialized computer cycles and routines
Mirror imaging and rotations
Internal and external contour milling
Methods of Presentation:
Lectures; laboratory demonstrations; visual aids; computer terminal assignments; production of
programs and parts
Methods of Evaluating Student Progress:
Homework assignments; short quizzes; classroom exercises; laboratory projects; midterm and final
examination
Textbook(s) (Typical):
Personal Apt Programmer’s Manual, Digital Manufacturing Systems
Geoprompt Programmer’s Manual, NC labs
Numerical Control Programming, George Stanton; John Wiley
Special Student Materials:
Scientific calculator, plastic circle template, one 45-degree and one 30/60 degree plastic triangle, one
6-inch scale, and safety glasses
mk mach81A.out 3/93