Ganado Unified School District (Welding I / 11 th Grade)

Transcription

1 Ganad Unified Schl District ( I / 11 th Grade) PACING Guide SY Timeline & Resurces AZ Cmmn Cre Standards Essential Questin 1 st QTR: (HESS Matrix) Learning Gal Vcabulary (Cntent/Academic) Mdule Symbls STANDARD 1.0 LAYOUT AND FIT UP PROJECT FROM BLUEPRINTS 1.1 Interpret drawings, symbls, and prcedures. 1.2 Use measuring devices. 1.3 Lay ut prjects frm blueprints. 1.4 Measure and cut materials 1.5 Tack materials int psitin fr welding Hw can we keep ur shp a safe envirnment? What is ne example f apprpriate PPE? Describe the risks and dangers tls and equipment Students will be able t: Identify and explain the varius parts f a welding symbl. Identify and explain fillet and grve weld symbls. Read welding symbls n drawings, specificatins, and welding prcedure specificatins. Interpret welding symbls frm a print. Arrw line Cuntersink Reference line Weld symbl Symbl Mdule Reading Detail Drawings STANDARD 1.0 LAYOUT AND FIT UP PROJECT FROM BLUEPRINTS 1.6 Interpret drawings, symbls, and prcedures. 1.7 Use measuring devices. 1.8 Lay ut prjects frm blueprints. 1.9 Measure and cut materials 1.10 Tack materials int psitin fr welding Students will able t: Identify and explain a welding detail drawing. Identify and explain lines, material fills, and sectins. Identify and explain bject views. Identify and explain dimensining. Identify and explain ntes and bill f materials. Blind hle Cunterbre Elevatin Ismetric view Mark Orthgraphic Prjectin Scale Tlerance 1

2 2 nd QTR: Mdule Physical Characteristics and Mechanical Prperties f Metals Des nt have Standards Interpret basic elements f a welding detail drawing. Sketch r draw basic welding drawings Students will be able t: Identify and explain the cmpsitin and classificatin f base Explain and demnstrate field identificatin methds fr base Identify and explain the physical characteristics and mechanical prperties f metal. Identify and explain frms and shapes f structural Explain metallurgical cnsideratins fr welding Ally American Irn and Steel Institute (AISI) American Sciety fr Testing Materials Internatinal (ASTM) Anneal Austenitizing Casting Cefficient Ductile Ductility Ferrus Flange Gas Metal Arc (GMAW) Gas tungsten arc welding (GTAW) Hardenability Heat-affected zne (HAZ) Ht shrtness Interpass Temperature Malleable Mechanical prperties Metallic Nnferrus metal Ntch Tughness Oxide Pstweld heat treatment (PWHT) Quench Residual stress Sciety f Autmtive Engineers (SAE) Shielded metal arc welding (SMAW) Tempering Tensile strength Underbead cracking 2

3 Unified Numbering System (UNS) Web Wrught Mdule Preheating and Pstheating f Metals Des nt have Standards Students will be able t: Explain and demnstrate hw t preheat Describe maintaining interpass temperature. Explain pstweld heat treatment f Explain the effects f preheat and pstheat n metals - Heat Affected Zne (HAZ) - Cracking - Grain r crystal structure Cld wrking Cnstituents Critical temperature Crystalline Martensite Preheat weld treatment (PHWT) Strain hardening Wrk Hardening 3 rd QTR: STANDARD 8.0 Students will able t: Backing Base metal 3

4 Mdule Base Metal Preparatin USE AUXILARY EQUIPMENT AND TOOLS 8.1 Use pwer saw/abrasive wheel t cut material 8.2 Use pwer equipment t wire brush metal 8.3 Use multi-purpse shear and punch 8.4 Use metal brake 8.5 Use metal rller 8.6 Use drilling equipment Clean base metal fr welding r cutting Identify and explain jint design. Explain jint design cnsideratins Mechanically bevel the edge f a mild steel plate. Thermally bevel the end f a mild steel plate. Select the prper jint design based n a welding prcedure specificatin (WPS) instructr directin. Cde Distrtin Lad Melt-thrugh Nnferrus metal Oxide Peen Piping prsity Prsity Rt face Rt pening Surfacing Transverse Weathering steel prcedure specificatins (WPS) Weldment Mdule Weld Quality STANDARD 9.0 PERFORM WELDMENT TESTING 9.1 Describe nndestructive test 9.2 Perfrm destructive test Students will be able t: Identify and explain cdes gverning welding Identify and explain weld imperfectins and their causes Identify and explain nndestructive examinatin practices Identify and explain welder qualificatin tests Explain the imprtance f quality wrkmanship Identify cmmn destructive testing methds Perfrm a visual inspectin f fillet welds Defect Discntinuity Embrittled Hardenable materials Hmgeneity Inclusin Laminatins Prcedure qualificatin Prcedure qualificatin recrd (PQR) Radigraphic Underbead cracking 4 th QTR: STANDARD 3.0 Students will be able t: Alternating current (AC) Amperage 4

5 Mdule SMAW Equipment and Setup SET UP AND USE SHEILDED METAL ARC WELDING (SMAW) EQIPMENT 3.1 Set up SMAW equipment. Identify and explain shielded metal arc welding (SMAW) safety. Explain welding electrical current. Identify welding pwer supplies and their characteristics. Explain hw t set up welding pwer supplies. Set up a machine fr welding. Identify tls used fr weld cleaning. Arc Direct current (DC) Electrde Plarity Primary current Step-dwn transfrmer Vltage Mdule Shielded Metal Arc Electrdes STANDARD 3.0 SET UP AND USE SHEILDED METAL ARC WELDING (SMAW) EQIPMENT 3.1 Identify and use types, strage, and handling f electrdes Students will be able t: Identify factrs that affect electrde selectin. Explain the American Sciety (AWS) and the American Sciety f Mechanical Engineers (ASME) filler metal classificatin system. Identify different types f filler Explain the strage and cntrl f filler Explain filler metal traceability requirements and hw t use applicable cde requirements. Identify and select the prper electrde fr an identified welding task. Ally Cndensatin Ductile Flux Heat-affected zne Hermetically sealed Lw-hydrgen electrde Ntch tughness Traceability Vertical welding 5