DOCUMENT RESUME ED 339 861 CS 059 796 Insolia, Gerard AUTHOR TITLE Computer Aided Manufacturing. Northampton Community Coll., Bethlehem, PA. INSTITUTION Office of Vocational and Adult Education (ED), SPONS AGENCY Washington, DC. PUB DATE 91 CONTRACT V100A00063-90 111p.; For related documents, see CE 059 793-795. NOTE Guides - Classroom Use - Teaching Guides (For PUB TYPE Teacher) (L52) EDRS PRICE mFo1/Pco5 Plus Postage. College Programs; Community Colleges; Computer DESCRIPTORS Assisted Design; *Computer Assisted Manufacturing; Computer Science; *Computer Software; Course Descriptions; Industrial Education; *Industrial Training; Job Training; Numerical Control; Resource Centers; Retraining; Technical Education; *Technological Advancement; Two Year Colleges Northampton County Area Community College PA; IDENTIFIERS Programable Logic Control ABSTRACT This document contains course outlines in computer-aided manufacturing developed for a business-industry technology resource center for firms in eastern Pennsylvania by Northampton Community College. The four units of the course cover the following: (1) introduction to computer-assisted design (2) CAM requirement (CAD)/computer-assisted manufacturing (CAM); (3) CAM software and evaluation; and (4) SMARTCAM. analysis; Exercises and transparency masters are included. Appendixes consist of part drawings, "hot key" definitions, and an outline of a programmable logic controls workshop. (MC) ** ********** ***************** ***** ************************************* Reproductions supplied by EDRS are the best that can be made * * from the original document. * * *********************************************************************** - 'Iv,- t a' 4 COMPUTER AIDED MANUFACTURING Developed by Gerard Ins° lia DEPANTWENT Of EDUCATION U at Educations) Romerca and innavorwrisint Office ATIONAL RESOURCES INFORMATION ED CENTER (Ewa reproduced es Trim docurnont hat bean received f (Orr ft** OfIrSOn Of OfOlnamf.on caliamong inabe 10 anra Ow r lovtof crtangas nava upon flip+ Of:lotted' [wind y :hos doc Points of vivror or motions stated in of Ott fCatt ment Oo not nOORtIcanty ftOnllif Of RI position or policy Center for Business & Industry ONorthampton Community College 3835 Green Pond Road Bethlehem, PA 18017 1991 11..111111111e11111111. 2 BEST COPY AVAILABLE Special acknowledgement to the following organizations for documentation used in this training program: Point Control Co. Northeast Manufacturing Technology Center (NEMTC) Rennsalear Polytechnical Institute Rennsalear, New York OUTLINE: COMPUTER AIDED MANUFACTURING INTRODUCTION I. 1. Rationale for CAD/CAM 2. CAD/CAM Hardware 3. CAD/CAM Software 4. CAD-to-CAM Interface 5. CAM-to-CNC Interface why CAM Give the student a perspective of CAM that includes Objective; other areas of is used, how it is implemented, and how it affects the company. IL CAM REQUIREMENTS ANALYSIS 1. Part Analysis 2. CNC Machine Tools 3. CAM Requirement 4. CAD System 5. Workforce IIL CAM SOFTWARE EVALUATION 1. General Operation 2. System Types 3. Editing 4. CAD Interfaces 5. Post Processors 6. User Skupoport 7. Cost Estimates 8. Evaluation IV. SMARTCAM 1. Capabilities 2. Available Functions 3. General Method of Use 4. User Interface 5. Preparing to Write a Program 6. Process Modeling 7. Generating CNC Code 8. Editing Code 9. Communications I. INTRODUCTION 1. Rationale for CAD/CAM 2. CAD/CAM Hardware 3. CAD/CAM Software 4. CAD to CAM Interface 5. CAM to CNC Interface Definitions: Computer Aided Design CAD Computer Assisted Machining CAM Computer Numerical Control CNC 5 INTRODUCTION I. 1. Rationale for CAD/CAM Increased productivity Better quality products Better communications Integrated design & manufacturing product & process Modeling - multiple conditions Analysis - Review check accuracy Documentation!! Reduced prototype costs Faster response to customers INTRODUCTION I. 2. CAD/CAM Hardware a. Operator Input Devices Mouse Keyboard Digitizing Tablet Trackball, Joystick b. Computer Central Processing Unit (CPU) Memory (RAM) Primary Storage (Hard Disk) Secondary Storage (Floppy Disk) Floating Point Processor (optional) c. Output Devices Monitor Printer Plotter Disk Drives, Tape Drives INTRODUCTION I. 3. CAD/CAM Software a. Operating System DOS UNIX, XENIX, AIX OS/2 Network Operation System b. Application Program CAM System CAD System Postprocessor c. Utilities Translators (CAD to CAM) Communications (CAM to CNC) INTRODUCTION I. 4. CAD to CAM Interface IGES DXF CADL VDA-FS PDES Translators allow geometry files to be exchanged wth various CAD systems. Shared Database Elements: mathematical models graphic images bills of materials parts lists size, form locational dimensions tolerance specifications material specifications INTRODUCTION I. 5. CAM to CNC Interface No standard protocol Many proprietary designs Historically high integration costs Typically RS-232-C serial link physical connection and voltage level specification only Protocol varies transmission data format, rate, parity, baud mode, handshaking