ABT52+Lecture+1+_2017_ - UCD-BAE DEPARTMENT ABT 52 FIELD EQUIPMENT WELDING PREREQUISITE ABT 16(METAL PROPERTIES AND FABRICATION 1 ABT 16 LECTURE TOPICS

ABT52+Lecture+1+_2017_ - UCD-BAE DEPARTMENT ABT 52 FIELD...

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FIELD EQUIPMENT WELDINGPREREQUISITE:ABT 16(METAL PROPERTIES AND FABRICATION)1UCD-BAE DEPARTMENTABT 52
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ABT 16 LECTURE TOPICS:1.METAL DEFINITION AND CLASSIFICATION2.METAL PROPERTIES3.METAL CHARACTERISTICSMEALWORKING/ FABRICATION :4. GAS WELDING5.ARC WELDING (STICK WELDING)6.ARC WELDING (MIG WELDING)7. BRAZING, SOLDERING, HOT METALWORKING8. CUTTING METALS ( HOT, COLD)9. FASTENING, SHEET METAL FORMING, AND METAL FINISHING2
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ABT 52 LECTURE TOPICS:1.WELDING PROCESSES AND WELDING SAFETY REVIEW2.DRILLING AND THREAD CUTTING3.WELDING JOINT DESIGN4.HARDFACING5.GTAW OR TIG WELDING6.METAL CUTTING – PLASMA CAM7.PROJECT DESIGN, FABRICATION, AND REPAIR8.METALS AND WELDABILITY9.WELDING CONSUMABLES10.WELD QUALITY AND TESTING3
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ABT 52(2017)LECTURE 1WELDING PROCESSESANDWELDING SAFETY4
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WELDING AND WELDING SAFETY1.THE WELDING PROCESS2.WELDING TYPES:1.FUSION WELDING 2.NON–FUSION WELDING3.SELECTION OF THE WELDING PROCESS4.TERMINOLOGY AND DEFINITIONS5. WELDING SAFETY5
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1.THE WELDING PROCESSNOTICE:Welding is a dangerous process, and precautions must be taken to avoid:BURNS, ELECTRIC SHOCK, EYE DAMAGE, POISONOUS FUMES, ANDOVEREXPOSURE TO ULTRAVIOLET LIGHT.6
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WHAT IS WELDING?Welding is a metalworking or a fabrication process to join metallic objects.It is often done by melting the work pieces at the contact edges, and adding a filler material.7
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WELDING INVOLVES:HEATFILLER METALSHIELDING AND/OR CLEANING AGENT8
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HEAT SOURCES COULD BE:GAS FLAME ECLECTIC ARC (MOST COMMON)ELECTRIC CURRENT LASER BEAM() ELECTRON BEAM ( )FRICTION()ULTRASOUND( )()9
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2.WELDING TYPESI.FUSION WELDINGII. NON–FUSION WELDING10
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I.FUSION WELDINGMETAL PARTS MELT,FILLER ROD MELTS, BOTH PARTS FUSE TOGETHER,ANDMETALLURGICAL BOND RESULTS12
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FUSION WELDING REQUIRES:A source of heat,oMILD STEEL MELTS AT ?º FFiller metal to add metal to the joint, andShielding from atmospheric 13
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FUSION WELDING SHOULD RESULT IN:A joint with same strength as the 14
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FUSION WELDING HISTORY:FORGE BONDING(OR SOLID-STATE WELDING): 1540RESISTANCE WELDING: 1885STICK WELDING : 1890OXYACETYLENE WELDING: 1900TIG WELDING: 1940MIG WELDING: 194915
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COMMON FUSION WELDING PROCESSES:ARC WELDING:SMAWGMAW &FCAWGTAWGAS WELDING:GW or Ox Ac WRESISTANCE WELDING:ERW or SW (Spot Welding)17
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1.STICK WELDING2.MIG WELDING 3.TIG WELDING18ARC WELDING:
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1. STICK WELDING19
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oHEAT SOURCE:Electric ArcoFILLER METAL:Welding Rod or electrodeoSHIELDING:Gas or fume and slag from combustion of the flux on the rod20
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  • Fall '08
  • Staff
  • Lecture 1, Arc welding

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