EASTERN ARIZONA COLLEGE Advanced Arc Welding

Transcription

1 EASTERN ARIZONA COLLEGE Advanced Arc Welding Curse Design Curse Infrmatin Divisin Industrial Technlgy Educatin Curse Number WLD 114 Title Advanced Arc Welding Credits 3 Develped by Wendell Cats Lecture/Lab Rati 1 Lecture/4 Lab Transfer Status ASU NAU UA Activity Curse OMT Departmental Elective Yes CIP Cde Assessment Mde Semester Taught GE Categry Separate Lab Awareness Curse Intensive Writing Curse CTE Departmental Elective Pre/Pst Test (25 Questins/25 Pints) Upn Request Nne N N N Nn Transferable Prerequisites Nne Educatinal Value This curse will develp an understanding f the manufacturing and industrial maintenance techniques and the welder s jb envirnment. This curse will help develp skills necessary t becme a prfessinal welder and prvide a basic understanding r related ccupatins. Students will learn technical details, knwledge, and skills which can lead t a lifelng interest. Descriptin Advanced welding techniques n the basic psitins. Intrductin t ther electrnic welding prcesses with destructive and nndestructive testing. EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

2 Supplies Safety glasses Welding Hd Welding Glves Cutting Gggles Prtective Clthing Cmpetencies and Perfrmance Standards 1. Trublesht SMAW equipment cmpnents, inspect fr safety, and perfrm external repairs. Learning bjectives What yu will learn as yu master the cmpetency: a. Outline principles f peratin fr shielded metal arc welding. b. Cite advantages f shielded metal arc welding and list limitatins. c. Define shielded metal arc welding terminlgy. d. Identify weld and weld jint nmenclature fr shielded metal arc welding. e. List safety hazards assciated with SMAW prcess. f. Identify shielded metal arc welding equipment cmpnents. Perfrmance Standards Cmpetence will be demnstrated: in the classrm and lab. Criteria - Perfrmance will be satisfactry when: SMAW equipment functins prperly and meets all safety requirements. 2. Set up SMAW equipment fr welding plain carbn steel. Learning bjectives What yu will learn as yu master the cmpetency: a. Define electrical terms related t shielded metal arc welding. b. Determine the crrect size welding leads fr the required amperage lad. c. Identify three types f pwer surces used t create AC and DC welding current. d. Differentiate between cnstant current and cnstant vltage pwer surces. e. Identify plain carbn steel shapes and state methds f identifying carbn steel. f. Differentiate between filler metal classificatin and specificatin numbering. g. Identify filler metals using the AWS classificatin numbering system. h. Categrize filler metals accrding t freeze prperties and assign AWS F numbers. i. Identify weld faults assciated with shielded metal arc welding prcess and determine cause. j. Identify the welding psitins as it relates t the AWS D1.1 Structural Steel Cde. Perfrmance Standards Cmpetence will be demnstrated: in the classrm and lab. EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

3 Criteria - Perfrmance will be satisfactry when: learner sets up equipment accrding t perfrmance checklist. 3. Make grve welds in all psitins n plain carbn steel. Learning bjectives What yu will learn as yu master the cmpetency: a. Interpret welding prcedure specificatin ANSI/AWS B , ANSI/AWS B , and ANSI/AWS B and determine essential variables fr perfrmance f grve welds using E6010 and E7018 electrdes with SMAW prcess. b. Demnstrate safe arc welding practices while perfrming all psitin grve welds with the SMAW prcess. c. Visually inspect SMAW grve welds fr cmpliance with AWS specificatin QC 10- table 1. d. Cmplete mechanical bend test n multiple pass grve welds in accrdance t AWS specificatin QC 10-table 2 and AWS Standard B4.0 Mechanical Multiple Vee Grve Methds. Perfrmance Standards Cmpetence will be demnstrated: in the classrm and lab. n plain carbn sheet steel using a multiple pass grve welding n a vee grve in the 1G (flat), 2G (hrizntal), 3G (vertical up), and 4G (verhead) psitins using E6010 rt pass and E7018 ht and cld pass. Criteria - Perfrmance will be satisfactry when: learner s weld passes the AWS specificatin QC10 and ANSI/AWS Standard B4.0 Mechanical Test requirements fr grve welds perfrmed with SMAW n plain carbn steel. learner s weld passes the AWS Specificatin QC10 visual requirements fr grve welds perfrmed with SMAW. 4. Make surfacing welds in the flat psitin n plain carbn steel r 3XX stainless steel using 3XX stainless steel electrdes. Learning bjectives What yu will learn as yu master the cmpetency: a. Identify prcess variables fr perfrming stainless steel surfacing welds in the flat psitin with the shielded metal arc welding prcess. b. Select the crrect type and size filler metal fr the welding peratin. c. Differentiate between carbn steel and stainless steel base metals. d. Demnstrate safe arc welding practices while perfrming flat psitin surfacing welds in the SMAW prcess. e. Visually inspect SMAW stainless steel surfacing welds fr cmpliance with AWS Specificatin QC11-table 1. Perfrmance Standards Cmpetence will be demnstrated: in the classrm and lab. n carbn steel r 3XX stainless steel plate using flat multiple pass surfacing welds EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

4 E312 r E309-15/16 (fr carbn steel) r E3XX-15/16 (fr stainless steel). Criteria - Perfrmance will be satisfactry when: learner s weld passes the AWS Specificatin QC11 visual requirements fr stainless steel surfacing welds perfrmed in the flat psitin with shielded metal arc welding. 5. Make fillet welds in all psitins n plain carbn steel r 3XX stainless steel using 3XX stainless steel electrdes. Learning bjectives What yu will learn as yu master the cmpetency: a. Interpret welding prcedure specificatin AWS 2-1-SMAW fr carbn steel base metal and ANSI/AWS B fr stainless steel base metal and determine essential variables fr perfrmance f fillet welds in all psitins n plain carbn steel r stainless steel using SMAW stainless steel electrdes. b. Demnstrate safe arc welding practices while perfrming all psitin stainless steel fillet welds with the SMAW prcess. c. Visually inspect SMAW stainless steel fillet welds fr cmpliance with AWS Specificatin QC11-table 1. Perfrmance Standards Cmpetence will be demnstrated: in the classrm and lab. n carbn steel r 3XX stainless steel using a single pass fillet weld n a lap jint in the 1F (flat), 2F (hrizntal), 3F (vertical up) and 4G (verhead) psitins using E312-3/8 r E309-3/8 (carbn steel) r E3XX electrdes (stainless steel). n carbn steel r 3XX stainless steel using a multiple pass fillet weld n tee jint in the 1F (flat), 2F (hrizntal), 3F (vertical up) and 4F (verhead) psitins using E312-15/16 r E309-3/8 (carbn steel) r E3XX electrdes (stainless steel). Criteria - Perfrmance will be satisfactry when: leaner s weld passes the AWS B2.1 visual requirements fr SMAW fillet welds perfrmed with stainless steel electrdes n plain carbn steel r stainless steel. Types f Instructin Classrm Presentatin On Campus Labratry Grading Infrmatin Grading Ratinale Pre-test = 0% Lab Prjects and Skills = 40% Final Exam = 30% Chapter Tests = 10% Attendance = 10% Term Paper = 10% EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

5 Grading Scale A % B 80-89% C 70-79% D 60-69% F 0-59% EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

6 Learning Plan 1 Overview A standard methd f instructin, practice, prductin, and evaluatin that is applied t each cmpetency. 1. Trublesht SMAW equipment cmpnents, inspect fr safety and perfrm external repairs. Learning Activities Attend lecture and lab classes. Participate in a classrm discussin. Perfrm external repairs n SMAW equipment in the lab. 4. Perfrm rutine safety inspectins f prtective equipment, shielded metal arc welding equipment and accessries, required tls, and the wrk area. 5. Select prper lens shade fr specified amperage setting with the shielded metal arc welding prcess. Assessment Activities Demnstrate safe student practices fr the instructr. Cmplete the arc welding safety prtin f the clsed bk exam with a minimum scre f 90% fr the instructr. Cmplete the SMAW principles f peratin and cmpnent identificatin prtin f the clsed bk exam with a minimum scre f 70% fr the instructr. EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

7 Learning Plan 2 Overview A standard methd f instructin, practice, prductin, and evaluatin that is applied t each cmpetency. 2. Set up SMAW equipment fr welding plain carbn steel. Learning Activities Attend lecture and lab classes. Participate in a class discussin. Set up shielded metal arc welding equipment and accessries in the shp. Assessment Activities Perfrm safe set up f SMAW equipment fr the instructr. Cmplete SMAW unit written exam fr the instructr. Cmplete AWS level I clsed bk exam fr the instructr. 4. Cmplete the SMAW principles f peratin and prcess variables prtin f the clsed bk exam with a minimum scre f 75% fr the instructr. 5. Cmplete the SMAW base/filler metal selectin and identificatin prtin f the clsed bk exam with a minimum scre f 75% fr the instructr. EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

8 Learning Plan 3 Overview A standard methd f instructin, practice, prductin, and evaluatin that is applied t each cmpetency. 3. Make grve welds in all psitins n plain carbn steel. Learning Activities Attend lecture and lab classes. Participate in a class discussin. Perfrm grve welds n plain carbn steel with shielded metal arc welding in all psitins. Assessment Activities Demnstrate grve welds perfrmed with SMAW fr the instructr. Cmplete SMAW unit written exam fr the instructr. Cmplete SMAW principles f peratin and prcess variables prtin f the clsed bk exam with a minimum scre f 75% fr the instructr. EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

9 Learning Plan 4 Overview A standard methd f instructin, practice, prductin, and evaluatin that is applied t each cmpetency. 4. Making surfacing welds in the flat psitin, n plain carbn steel r 3XX stainless steel using 3XX stainless steel electrdes. Learning Activities Attend lecture and lab classes. Participate in a class discussin. Perfrm stainless steel fillet welds with shielded metal arc welding in all psitins. Assessment Activities Demnstrate stainless steel fillet welds perfrmed in all psitins with the SMAW prcess fr the instructr. Cmplete SMAW unit written exam fr the instructr. Cmplete SMAW principles f peratin and prcess variables psitin f the summative clsed bk exam with a minimum scre f 75% fr the instructr. EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr

10 Learning Plan 5 Overview A standard methd f instructin, practice, prductin, and evaluatin that is applied t each cmpetency. 5. Make fillet welds in all psitins, n plain carbn steel r 3XX stainless steel using 3XX stainless steel electrdes. Learning Activities Attend lecture and lab classes. Participate in a class discussin. Perfrm stainless steel fillet welds with shielded metal arc welding in all psitins. Assessment Activities Demnstrate stainless steel fillet welds perfrmed in all psitins with the SMAW prcess fr the instructr. Cmplete SMAW unit written exam fr the instructr. Cmplete SMAW principles f peratin and prcess variable prtin f the clsed bk exam with a minimum scre f 75% fr the instructr. EASTERN ARIZONA COLLEGE Advanced Arc Welding Equal Opprtunity Emplyer and Educatr