Metalworking Curriculum Framework
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Study and Characterization of EN AW 6181/6082-T6 and EN AC
metals Article Study and Characterization of EN AW 6181/6082-T6 and EN AC 42100-T6 Aluminum Alloy Welding of Structural Applications: Metal Inert Gas (MIG), Cold Metal Transfer (CMT), and Fiber Laser-MIG Hybrid Comparison Giovanna Cornacchia * and Silvia Cecchel DIMI, Department of Industrial and Mechanical Engineering, University of Brescia, via Branze 38, 25123 Brescia, Italy; [email protected] * Correspondence: [email protected]; Tel.: +39-030-371-5827; Fax: +39-030-370-2448 Received: 18 February 2020; Accepted: 26 March 2020; Published: 27 March 2020 Abstract: The present research investigates the effects of different welding techniques, namely traditional metal inert gas (MIG), cold metal transfer (CMT), and fiber laser-MIG hybrid, on the microstructural and mechanical properties of joints between extruded EN AW 6181/6082-T6 and cast EN AC 42100-T6 aluminum alloys. These types of weld are very interesting for junctions of Al-alloys parts in the transportation field to promote the lightweight of a large scale chassis. The weld joints were characterized through various metallurgical methods including optical microscopy and hardness measurements to assess their microstructure and to individuate the nature of the intermetallics, their morphology, and distribution. The results allowed for the evaluation of the discrepancies between the welding technologies (MIG, CMT, fiber laser) on different aluminum alloys that represent an exhaustive range of possible joints of a frame. For this reason, both simple bar samples and real junctions of a prototype frame of a sports car were studied and, compared where possible. The study demonstrated the higher quality of innovative CMT and fiber laser-MIG hybrid welding than traditional MIG and the comparison between casting and extrusion techniques provide some inputs for future developments in the automotive field. -
Product Catalog This Hobart® Catalog Represents an Interim Stage in the Brand Consolidation Process Announced by Hobart Brothers Company in May 2013
Product Catalog This Hobart® catalog represents an interim stage in the brand consolidation process announced by Hobart Brothers Company in May 2013. Included are products branded Tri-Mark® by Hobart alongside Hobart products. In these instances, the products are identical in formulation and manufacturing. Ultimately, Hobart will replace all Tri-Mark options. The catalog now also includes aluminum products formerly under the MAXAL® brand. Why the consolidation and this transition? In one word: simplification. Offering a single Hobart brand allows distributors and end users access to a full line of filler metals, ensuring the right product for the right application — every time. The addition of our collaborative-based service and filler metal expertise helps provide solutions to lower costs and increase productivity. For further information, contact our customer service team at 800-424-1543 or call our Applications Engineering Team at 800-532-2618 or email [email protected] Table of Contents Mild Steel & Low Alloy Stick Electrodes AWS Classifications and Oven Storage and Reconditioning of Stick Electrodes ............................................................... 2 Pipemaster® Pro-60, Pipemaster® 60, Hobart® 610 ...................................................................................................... 3 Pipemaster® 70, Pipemaster® 80, Pipemaster® 90 ......................................................................................................... 4 Hobart® 335A, Hobart® 335C, Hobart® 447A -
Alcotec Aluminum Technical Guide
AlcoTec Aluminum Technical Guide Contents AlcoTec Aluminum Wire & Equipment Technical Guide Table of Contents AlcoTec Aluminum Wire & Equipment Technical Guide ......................................................................................................... 1 Table of Contents ................................................................................................................................................................ 1 Environmental Health and Safety ......................................................................................................................................... 3 Technical Services Heat Treatable & Non-Heat Treatable Base & Fillers ............................................................................................................. 6 Filler Alloys: Chemical Composition Limits & Physical Properties ......................................................................................... 7 Conversion Factors ............................................................................................................................................................ 7 Welded Joint Strength ......................................................................................................................................................... 8 Typical Tensile Properties - Groove Welds ............................................................................................................................ 9 Weld Profiles ..................................................................................................................................................................... -
Metalworking & Forging Safety and Tool Use Certification (STUC
Metalworking & Forging Safety and Tool Use Certification (STUC) STUC-at-Home; Fall 2020 Thank you for registering for 1 or more Department STUCs! Fall 2020 OSA dates are September 14- December 23. We look forward to having you in the Shops soon! In this STUC packet, you will find: 1. CIADC Health Safety Guidelines (Before Entering and In-Shop) • Our guide on health safety measures that Staff, Students, Members, and Visitors must follow to ensure the health safety of everyone while at CIADC. We appreciate your cooperation with this! For more details about our Healthy Safety Plan, click here. 2. Metal Shop-Specific PPE – Shared vs. Purchase • What PPE is required in the Metal Shop, and what we require/recommend YOU purchase 3. Metalworking & Forging Department STUC • **NEW** Items in Department • General and Department-specific information for you to know 4. Metalworking & Forging Department Material & Supply Purchase Form • What is currently offered 4-Sale in the Metal Shop 5. Metalworking & Forging Department Resource List • Where else to purchase material, supplies, PPE, etc. specific to Department 6. **NEW** Members: CNC Machining Services 7. OSA Reservation Procedure • To ensure we do not exceed the maximum safe amount of people in Shops during OSA, we are implementing an OSA reservation system 8. Programming Schedule • Class and OSA schedule for the upcoming term To Complete STUC: 1. Submit shop-specific online STUC quiz (click here for link) 2. Pre-Pay for 5-OSAs (Access Members only; will be invoiced) 3. Renew Liability Waiver (as -
Mechanical Metalworking: from Manual to Computer-Based Processes
August 04, 2021 Mechanical metalworking: from manual to computer-based processes Just like in an ordinary kitchen, there is more to the steelmaker’s kitchen than just the processes where high temperature plays a crucial role, such as boiling, roasting or baking. Before a dish can be served, it needs additional work to make it more appealing. The same is true of metals. Prior to their use, plates, tubes, rods and complex steel castings are subject to cold forming by special metalworking machines and lathes, which become more and more sophisticated each year. History of mechanical metalworking Let’s look first into the history of mechanical metalworking and its origins. Unlike many other processes that are unique to steelmaking, some ideas related to the mechanical working of metal surfaces came from related areas. The ancient Egyptians had devices for drilling holes in stones. Wood machining equipment that later evolved into turning lathes existed in the sixth and seventh centuries BC. Yet these types of processes were not applied to metals for hundreds of years. For a long time, metal surface treatment had several restricting factors. First, it required harder tools. Second, small-batch production did not need high-precision metalworking. Third, the industrial revolution and mass production of uniform products only became a reality in the 18th-19th centuries. The third reason was a key prerequisite for the appearance of mechanical metalworking. Smiths that made goods for individual orders gave way to large industrial manufacturers and factories that had the capacity to produce large quantities of uniform metal goods. Gunsmiths were among the first to appreciate the importance of standardised metalworking. -
An Analysis of the Metal Finds from the Ninth-Century Metalworking
Western Michigan University ScholarWorks at WMU Master's Theses Graduate College 8-2017 An Analysis of the Metal Finds from the Ninth-Century Metalworking Site at Bamburgh Castle in the Context of Ferrous and Non-Ferrous Metalworking in Middle- and Late-Saxon England Julie Polcrack Follow this and additional works at: https://scholarworks.wmich.edu/masters_theses Part of the Medieval History Commons Recommended Citation Polcrack, Julie, "An Analysis of the Metal Finds from the Ninth-Century Metalworking Site at Bamburgh Castle in the Context of Ferrous and Non-Ferrous Metalworking in Middle- and Late-Saxon England" (2017). Master's Theses. 1510. https://scholarworks.wmich.edu/masters_theses/1510 This Masters Thesis-Open Access is brought to you for free and open access by the Graduate College at ScholarWorks at WMU. It has been accepted for inclusion in Master's Theses by an authorized administrator of ScholarWorks at WMU. For more information, please contact [email protected]. AN ANALYSIS OF THE METAL FINDS FROM THE NINTH-CENTURY METALWORKING SITE AT BAMBURGH CASTLE IN THE CONTEXT OF FERROUS AND NON-FERROUS METALWORKING IN MIDDLE- AND LATE-SAXON ENGLAND by Julie Polcrack A thesis submitted to the Graduate College in partial fulfillment of the requirements for the degree of Master of Arts The Medieval Institute Western Michigan University August 2017 Thesis Committee: Jana Schulman, Ph.D., Chair Robert Berkhofer, Ph.D. Graeme Young, B.Sc. AN ANALYSIS OF THE METAL FINDS FROM THE NINTH-CENTURY METALWORKING SITE AT BAMBURGH CASTLE IN THE CONTEXT OF FERROUS AND NON-FERROUS METALWORKING IN MIDDLE- AND LATE-SAXON ENGLAND Julie Polcrack, M.A. -
Tool and Die Makers, Turret and Engine Lathe Operators, Sheet Metal
DO CU M E N T R ES U ME ED 025 582 VT 000 415 A Survey of Demand in Selected MetalworkingOccupations for Major Areas of Idaho. Idaho State Dept. of Employment, Boise. Pub Date Oct 66 Note- 34p. EDRS Price MF-$0.25 HC-$1.80 Descriptors-*Educational Needs, Employer Attitudes, *EmploymentOpportunities, *Employment Projections, Employment Statistics, Labor Supply, Metal WorkingOccupations, Occupational Information,*Occupational Surveys, Questionnaires, Skilled Occupations, Trade andIndustrial Education Identifiers- Idaho To determine the state and area impactof occupational shortages inthe metal working,skills in Idaho and to provide abasis for planningeffective vocational education programs, the IdahoDepartment of Employmentconducted a sample survey of 68 employers in the metal workingoccupations. The occupations wereselected from a national list of hard-to-findmetal workers and ihcludedmachinists, welders, tool and die makers, turret and enginelathe operators, sheetmetal workers, structural steel workers, andboilermakers. The study,conducted inApril1966, .encompasses the ninemost populous counties inIdaho including 55 percentof the (1) The lack of qualified metalworkers has population. Some weneral conclusions were: of the not caused curtailmentof operation, (2) More welderswill be needed than any other survey occupations, (3)The demand for qualifiedmachinists should remain at a high level and (4) Seasonality inthe total employment ofworkers was implied bythe survey for the occupationsof welders, structural steelworkers, sheet metal workers, machinists, and. boilermakers.Statistical data is presented intable form and the interview questionnaire is included inthe appendix. (DM) 4 Ow. 111111111111111 11111111higill U.S. DEPARTMENT OF HEALTH, EDUCATION & WELFARE OFFICE OF EDUCATION THIS DOCUMENT HAS BEEN REPRODUCED EXACTLY AS RECEIVED FROM THE PERSON OR ORGLNIZATION ORIGINATING IT.POINTS OF VIEW OR OPINIONS STATED DO NOT NECESSARILY REPRESENT OFFICIAL Of FICE OF EDUCATION POSITION OR POLICY. -
Variable Speed 7 X 12 In. Metal Lathe
VARIABLE SPEED 7 X 12 IN. METAL LATHE Model # 3455 bit.ly/wenvideo IMPORTANT: Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use your tool properly and for intended purpose, you will enjoy years of safe, reliable service. NEED HELP? CONTACT US! Have product questions? Need technical support? Please feel free to contact us at: 800-232-1195 (M-F 8AM-5PM CST) [email protected] WENPRODUCTS.COM TABLE OF CONTENTS Technical Data 2 General Safety Rules 3 Specific Safety Rules For Metal Lathes 4 Electrical Information 6 Know Your Lathe 7 Assembly 8 Operation 9 Maintenance 19 Troubleshooting Guide 20 Exploded View & Parts List 22 Warranty 25 TECHNICAL DATA Model Number: 3455 Motor: 120V, 60Hz, 4A Swing Over Bed: 7 in. (180 mm) Distance Between Centers: 12 in. (300 mm) Spindle Bore: .79 in. (20 mm) Cross Slide Travel: 2-1/2 in. (65 mm) Compound Slide Travel 2.16 in. (55 mm) Speeds: 100 to 2500 RPM Spindle Taper: MT3 Tailstock Taper: MT2 Longitudinal Feed Rate: .1 to .2 mm Screw Threads: 15 to 52 TPI in 18 steps Weight: 81 lbs. 2 GENERAL SAFETY RULES Safety is a combination of common sense, staying alert and knowing how your item works. SAVE THESE SAFE- TY INSTRUCTIONS. WARNING: To avoid mistakes and serious injury, do not plug in your tool until the following steps have been read and understood. -
Welding on the Farm: Selecting a Welding Unit for the Farm Or Ranch
Welding on the Farm: Selecting a Welding Unit for the Farm or Ranch Farms encounter a wide variety of welding repairs and projects – having the right welder depends on a lot of factors. Do you have to bring the welder to the work or can you take the work to the welder? Which process (MIG, Stick, or TIG) fits your needs? This article examines all these issues and more. The weather finally cleared, and Wisconsin dairy farmer Al Hoffmann has 385 acres of haylage to cut and store when the chopper blower band for the silo snaps in half. Part of the 3/16 in. steel band has worn paper thin and snapped, and on this Saturday, the nearest replacement band is two days away. Using a 200 amp Millermatic® wire welder, Al saves the band by tack welding it together and then welding on a back-up strip of steel. The repaired chopper blower moves more than 800 tons of haylage in the next few days... ...It's evening milking time. Al is half done with his 185 cows when a hinge breaks on the air gate in the milking parlor. Al resumes milking a few minutes later, after he repairs the gate with a portable Millermatic wire welder that runs off his 115 V household current. "This farm has a lot of old iron, but welders keep my machinery running," Al says. In addition to the two wire welders, Al also uses a 175 amp Stick (shielded metal arc) welder, primarily for hardfacing the bucket on his skid loader or repairing his manure spreader. -
Aluminum Selection Chart
ALUMINUM FILLER Pure Aluminum - METAL GROUPS Aluminum - Copper Aluminum - Magnesium AL-Mg Si AL - Zinc AL - Castings METAL GROUPS METAL SELECTION CHART Aluminum Manganese 2 1100, 1060, 5086, 511.0, 512.0 6061,6005 7005, 7021 413.0, 443.0 319.0, 333.0 BASE 5005, 5050 513.0, 514.0 6063,6070 444.0, 356.0 FILLER 1070, 1080, 2014, 2036 2219 3003, 3004, 5083, 5454 7039, 7046 354.0, 355.0 FILLER BASE Alclad 3003 Alclad 3004 5052, 5652 535.0 6151,6201 A356.0, 357.0 METAL METAL 1350 5456, 5383 7146 METAL METAL WELD METAL PROPERTIES 5154, 5254 6351,6951,6082 359.0 C355.0, 380.0 C S DUC T C P T C STDUC T C P T C STDUC T C P T C STDUC T C P T C S DUC T C P T C S DUC T C P T C S DUC T C P T C S DUC T C P T C S DUC T C P T C S DUC T C P T C710.0,S DUC 711.0T C P T C S DUC T C P T C S DUC T C P T C CRACK SENSITIVITY The Probability of Hot Cracking - this rating is established through use R T ORROE OLORW O R ORROE OLORW O R ORROE OLORW O R ORROE OLORW O R T ORROE OLORW O R T ORROE OLORW O R T ORROE OLORW O R T ORROE OLORW O R T ORROE OLORW O R T ORROE OLORW O R T ORROE OLORW O R T ORROE OLORW O R T ORROE OLORW O R of crack sensitivity curves (Developed by Alcoa) and the consideration of filler metal and base ACREC M H U ACREC M H U A REC M H U ACREC M H U A REC M H U A REC M H U A REC M H U A REC M H U A REC M H U A REC M H U A REC M H U A REC M H U A REC M H U A T P T GH T P T GHC T P T GH T P T GHC T P T GHC T P T GHC T P T GHC T P T GHC T P T GHC T P T GHC T P T GHC T P T GHC T P T GH C metal chemistry combinations. -
1. Hand Tools 3. Related Tools 4. Chisels 5. Hammer 6. Saw Terminology 7. Pliers Introduction
1 1. Hand Tools 2. Types 2.1 Hand tools 2.2 Hammer Drill 2.3 Rotary hammer drill 2.4 Cordless drills 2.5 Drill press 2.6 Geared head drill 2.7 Radial arm drill 2.8 Mill drill 3. Related tools 4. Chisels 4.1. Types 4.1.1 Woodworking chisels 4.1.1.1 Lathe tools 4.2 Metalworking chisels 4.2.1 Cold chisel 4.2.2 Hardy chisel 4.3 Stone chisels 4.4 Masonry chisels 4.4.1 Joint chisel 5. Hammer 5.1 Basic design and variations 5.2 The physics of hammering 5.2.1 Hammer as a force amplifier 5.2.2 Effect of the head's mass 5.2.3 Effect of the handle 5.3 War hammers 5.4 Symbolic hammers 6. Saw terminology 6.1 Types of saws 6.1.1 Hand saws 6.1.2. Back saws 6.1.3 Mechanically powered saws 6.1.4. Circular blade saws 6.1.5. Reciprocating blade saws 6.1.6..Continuous band 6.2. Types of saw blades and the cuts they make 6.3. Materials used for saws 7. Pliers Introduction 7.1. Design 7.2.Common types 7.2.1 Gripping pliers (used to improve grip) 7.2 2.Cutting pliers (used to sever or pinch off) 2 7.2.3 Crimping pliers 7.2.4 Rotational pliers 8. Common wrenches / spanners 8.1 Other general wrenches / spanners 8.2. Spe cialized wrenches / spanners 8.3. Spanners in popular culture 9. Hacksaw, surface plate, surface gauge, , vee-block, files 10. -
Boilermaker B2
BOILERMAKER B2 AWS E8018-B2 H4R WELDING POSITIONS: FEATURES: BENEFITS: • Good arc characteristics • Stable easy to control arc, x-ray clear welds • Low spatter level • Improved weld bead appearance, less clean-up • Quick, easy slag removal • No slag inclusions, increased welding efficiency • Low moisture absorption • Reduces chance of starting porosity • Low hydrogen less than 4 ml/100 g • Resistant to hydrogen induced cracking APPLICATIONS: • Boilers • Tubing TYPE OF CURRENT: Direct Current Electrode Positive (DCEP) or AC RECOMMENDED WELDING TECHNIQUES: ENERAL Electrode positive, work negative (DCEP) or AC G : RC ENGTH Very short arc A L : LAT Angle electrode 10°-15° from 90° F : ERTICAL P Use weaving techniques V -U : ERTICAL OWN Not recommended V -D : OVERHEAD: Use slight weaving motion within the puddle STORAGE: After opening, store in holding oven (220°F to 350°F) until used. RECONDITIONING If exposed to atmosphere for extended periods, reconditioned for one (1) hour at 600°F. TYPICAL WELD METAL PROPERTIES* (Chem Pad): Weld Metal Analysis (%) AWS Spec Carbon (C) 0.05 0.12 max Manganese (Mn) 0.68 0.90 max Sulphur (S) 0.01 0.03 max Phosphorus (P) 0.01 0.03 max Silicon (Si) 0.36 0.80 max Chromium (Cr) 1.12 1.00 - 1.50 Molybdenum (Mo) 0.40 0.40 - 0.65 TYPICAL MECHANICAL PROPERTIES* (As Welded): Stress relieved 1 hr. @ 1275°F AWS Spec Tensile Strength 98,000 psi (673 MPa) 80,000 psi Yield Strength 86,000 psi (592 MPa) 67,000 psi Elongation % in 2” 23% 19% TYPICAL CHARPY V-NOTCH IMPACT VALUES* (As Welded): Stress relieved 1 hr.