|
Standards |
Posted:
10/09/07
|
R State Standard |
£ Institutionally Developed |
College: n/a |
MCA 215 – CNC Lathe Manual Programming
Provides
instruction for the safe operation and manual programming of computer numerical
controlled (CNC) Lathes. Topics include: safety, calculations for programming,
program codes and structure, program run and editing of programs.
|
Competency Areas |
Hours |
|
|
Safety |
Class |
4 |
|
Programming
Calculations |
D. Lab |
6 |
|
Program
Codes & Structure |
P.
Lab/O.B.I. |
0 |
|
Program
Run & Editing |
Credit |
7 |
|
Prerequisite: |
MCA 211 |
|
Corequisite: |
|
|
Course Guide |
|
Competency |
After completing this section,
the student will: |
Hours |
||
|
Class |
D.Lab
|
P.Lab/ O.B.I. |
||
|
SAFETY |
1 |
1
|
0 |
|
|
|
Explain
the safety measures and problems which apply specifically to automated
movements of cutting tools on a lathe. |
|
|
|
|
|
Demonstrate
programming procedures for safe part run. |
|
|
|
|
|
Identify
safety problems with tool turret indexing or tail stock applications. |
|
|
|
|
|
|
|
|
|
PROGRAMMING CALCULATIONS
|
14 |
0
|
0 |
|
|
|
Calculate
proper feeds, speeds, and depth of cuts for given cutters for given part
programs for the CNC Lathe. |
|
|
|
|
|
Calculate
proper cutter positions for rough and finish passes on given part shapes when
programming for a CNC Lathe. |
|
|
|
|
|
Calculate
drilling depth for given drill diameters for holes in CNC Lathe programs. |
|
|
|
|
|
Calculate
drill peck amounts for given drill diameter and part materials for CNC Lathe
programs. |
|
|
|
|
|
|
|
|
|
PROGRAM CODES &
STRUCTURE
|
25 |
30
|
0 |
|
|
|
Define
the various G and M codes and their functions used in CNC Lathe programming. |
|
|
|
|
|
Discuss
the related machine tool movements resulting from the codes entered into the
programmable controller of a CNC Lathe. |
|
|
|
|
|
Determine
order of operations, part holding, and part referencing for given part
programs to be ran on a CNC Lathe. |
|
|
|
|
|
Determine
proper tooling for given part programs to be ran on
a CNC Lathe. |
|
|
|
|
|
Program
linear and circular interpolation moves on a CNC Lathe. |
|
|
|
|
|
Program
required hole operations on a CNC Lathe for a given
part shape. |
|
|
|
|
|
Demonstrate
proper use of canned cycles in CNC Lathe part programming. |
|
|
|
|
|
Demonstrate
proper use of tool nose radius compensation in CNC Lathe part programming. |
|
|
|
|
|
Discuss
use of program looping and sub-programs in CNC Lathe part programming. |
|
|
|
|
|
|
|
|
|
PROGRAM RUN &
EDITING
|
0 |
29
|
0 |
|
|
|
Setup and
load part programs in a CNC Lathe for part run. |
|
|
|
|
|
Dry run
part programs for checking purposes on a CNC Lathe. |
|
|
|
|
|
Troubleshoot
part program for programming errors and part dimensional accuracy. |
|
|
|
|
|
Edit part
program for optimal program run time and tool life. |
|
|
|
|
Suggested Resources |
Smid, P. CNC Programming Handbook. Industrial
Press
Valentino, J. Introduction
to Computer Numerical Control (CNC). Prentice
Hall.
Nanfara, F. The CNC
Workbook. Addison Wesley.
Stenerson, J & Curran, K Computer Numerical Control – Operation & Programming. Pearson/Prentice Hall
Posted: 10/09/07