Mig welding diagram. MIG Welding / Gas Metal Arc Welding (GMAW) 24.

Mig welding diagram Spot welding connects overlapping pieces of metal at small points by applying pressure and using electric current. mild steel welding wire. Overhead MIG Welding Techniques. This is a free basic guide on how to weld using a metal inert gas (MIG) welder. spool of mm. Quick Specs Light Industrial Applications MIG Power Source, Wire Feeder and Gun Package Light fabrication Maintenance and repair Auto body Farm/home Weld Thickness Input Power MIG (GMAW) Flux-cored (FCAW) 120 V: 24 ga. 11. Many MIG units can also use a flux-cored wire for FCAW, a different process that doesn’t require a shielding gas. weldability. 23. Typical MMA Welding/Tig Setup. Learn the basics of mig welding, a versatile and efficient welding technique, with a visual MIG welding (also known as GMAW) is a really popular type of welding that’s frequently used for welding low-alloy steels and is well suited for welding autobody parts and home-repair projects. The gun feeds a shielding gas alongside the electrode helping protect the weld pool from airborne contaminants. jeffersontools. JEFMIG151-A . Learn the basics of MIG welding, a process of using electricity to melt and join metals. Processes OM-944 196 639C October 2001 Handler 135 / 175 And H-10 Gun Arc Welding Power Source And Wire Feeder Description MIG (GMAW) Welding Flux Cored (FCAW) Welding Spray transfer GMAW. Best Weld metal is deposited in the holes and fuses with the base metal of the two parts to form the joint. A MIG welder parts diagram shows each component and its role, helping you fix issues or upgrade your welder. What is MIG Welding? •Metal Inert Gas welding is the process of fusing two similar metals together using an electrical arc heat source produced from the short-circuit of a continuously-fed consumable wire under the protection of a single inert Shielding Gas of CO2. Protect yourself and others from flying sparks and hot metal. experience, we recommend that you seek training from an expert source. WELDING can cause fire or explosion. MF322545N For OM265809 Revision A And Following Millermatic 211 For product information, Owner’s Manual translations, and more, visit www. Overhead MIG welding requires the MIG gun tilted 5 to 35 degrees toward the direction of the weld. Before you start welding make sure things are properly setup at both the welder and on the piece you are about to weld. It is capable of MIG welding (both gas-shielded and gasless flux-cored welding), stick and TIG welding of mild and stainless steel materials. –3/16 in. The correct voltage needs to be set for the thickness of metal being welded, and the feed speed of the wire. Skip to content Home; Buyer Guide & reviews. Welding processes 47 12. The automated wire feed and shielding gas make the process The electrode efficiencies of MIG welding are higher (92-98%) as compared to other types of welding; MIG welding is associated with higher operator factor and welder efficiencies; It can be easily adapted for hard automation, high-speed robotic, and semi-automatic applications; MIG welding comes with the capability of all-position welding semiautomatic DC constant voltage (wire) welder, 2) a DC manual (stick) welder, or 3) an AC welder with reduced open-circuit volt-age. MIG welding is a gas metal arc welding (GMAW) type that uses electricity via an arc that creates a massive amount of heat (up to 5,432°F!), which melts metal parts and permanently fuses them together. MIG welding is the process of using electricity to melt and join pieces of metal together. 1. Its characteristics are high production efficiency, excellent welding output and easy to carry out all-position welding. First, need to know Basic Welding Symbols Pictures, and meaning. Typically, an AC arc welding machine is used, but when more stability is needed in the arc, a DC arc welding machine may be used. Remove all flammables within 35 ft (10. The shielding gas can also be changed, depending on the metals being used. The heavier and thicker the metal being welded the more powerful welding machine needs to be. It includes the power source, wire MIG (GMAW) Welding Flux Cored (FCAW) Welding Arc Welding Power Source And Wire Feeder PM-225716A 2020−07 File: MIG (GMAW) Eff w/LG320643N And Following For OM-225311 Revisions A Thru F Millermatic 140 And 180 And M-10 Gun For product information, Owner’s Manual translations, and more, visit www. However, over time learned a lot of things from the types of welds to the actual welding positions that you need to make. Find the parts list, wiring diagram, and maintenance tips for Chicago Electric MIG 170 welder. GUIDE TO MIG WELDING. 0 Package Contents 19 6. Learn faster with an online welding course: https://courses. For plug welds, the holes are round, and in slot welds, the holes are in a slot shape. 16. com. MIG welding offers several distinct advantages, making it a preferred method for manufacturers looking for efficient welds. 0 Replacement Parts 17 9. steel 18 ga. A few examples include T-joints, which require a fillet weld; butt joints requiring a groove weld; lap joints, which require fillet welds; and corner joints, which can be fillet or groove welds. 14. MIG welding, also known as Metal Inert Gas welding, is an arc welding process in which an electric arc is formed between a consumable wire electrode and the workpiece metal, which heats the workpiece metal, causing them to melt and join. Stick welding is a good middle ground and is perfect for those who don’t want the hassle of a gas tank or want to weld thicker pieces of 8. MIG (GMAW) Welding Flux Cored (FCAW) Welding Arc Welding Power Source Wire Feeder OM-251958F 2018-02 MigMatic 300/380 And DX CE For product information, File: MIG (GMAW) Owner’s Manual translations, and more, visit www. The heat and rays of the arc can react with vapors to form highly toxic and irritating gases. In some places, peoples The general guidelines for MIG welding are whip when welding thin metal or making the first pass in a joint, circles for a both thicker materials and wider welds. Diagram The basic equipment for a typical GMAW semiautomatic setup includes a welding power source, wire feeders that ensure constant speed and voltage, a supply of electrode wire, a welding gun and a shielding gas cylinder. My personal preference is to have the voltage at the maximum recommendation and just hold the MIG gun steady letting the MIG welder do the work. USER MANUAL. Adopting MCU controller, together with TFT-LCD, it makes the setting much easier for the user. Each metal will require slightly different gasses, welding wires, and current settings. . Application of MIG/MAG welding 45 11. If this is not possible, tightly cover them with approved covers. 1 Overview 47 12. The gun feeds a shielding gas alongside the electrode helping protect the weld pool from airborne contaminants and keeps oxygen out of the molten metal. 15. ® The Professional’s Choice. Skip to content. I often use sanding disks or a non-woven abrasive for cleaning rust, paint or scale off the semiautomatic DC constant voltage (wire) welder, 2) a DC manual (stick) welder, or 3) an AC welder with reduced open-circuit volt-age. 1. Welding helmet: Wear an auto-darkening welding helmet because it makes work easier and more enjoyable than a passive hood. SECTION 8 − ELECTRICAL DIAGRAM 38 MIG welding or Metal Inert Gas welding is an arc welding process that uses a continuous solid wire electrode and shielding gas for laying welds. During MIG welding, either a spray arc or a pulsed arc is used. 0 Control panel 21 MIG welding can be used to weld steel, stainless steel, and aluminum. 0 Correct Application Techniques 17 5. It’s a simple process to learn, which is why so many hobby welders use it as their preferred method of welding. com | support@weldability. www. It is also referred to as MAG welding (Manual Metal Arc Welding). As a result, there is only a minor loss of alloying elements. The basic information is from “Recommended Practices for Gas Metal Arc Welding”, AWS C5. The shielding gas protects the arc and the metal transfers across the electric arc. MIG/MAG Welding: How it Works Tungsten inert gas (TIG) and metal inert gas (MIG) welding are the most popular gas-shielded arc-welding processes used in many industrial fields. Do not weld on coated metals, such as galvanized, lead, or cadmium plated steel, unless the coating is removed from the weld Advantages of MIG Welding. 3 Welding filler passes and cover passes in unalloyed and low-alloy steel 50 12. Generally, MIG shielding gas is a concoction of CO2, oxygen and carbon. 2. timwelds. But the TIG welding process can be more challenging to master than stick or MIG welding, making attention to detail important. Guides To Industrial Art. –1/8 in. Ideal applications: TIG welding excels in applications where precision and control are paramount, such as aerospace, artistry, welding exotic metals, and more. Do not weld on closed containers such as tanks, drums, or pipes, Back nearly 20 years ago when I was first getting started with MIG welding I knew that you basically pointed the welding gun at the spot that you wanted to weld and pulled the trigger. 3. The process involves the welding of metals using a consumable metal electrode in an inert gas atmosphere. This MI Metal Inert Gas (MIG) welding is an arc welding process that uses a continuous solid wire electrode heated and fed into the weld pool from a welding gun. MIG welding will not be successful with a dirty joint. MIG-200M Welder is an inverter based MIG welder with LCD display. Parts Diagram & Listing 19 Limited Warranty Statement 20 EC Declaration of Continuity 22. GMAW (Gas Metal Arc Welding) is another name for MIG welding. SECTION 7 − ELECTRICAL DIAGRAMS 40 Download scientific diagram | Schematic diagram of TIG/MIG hybrid welding torches from publication: Observation of Arc Behaviour in TIG/MIG Hybrid Welding Process | In this project, the influence View and Download Snap-On MIG200i manual online. The gas metal arc welding is also MIG guns are engineered to accommodate each welder's neck, handle and trigger preferences for increased weld access, comfort and productivity. Find out What is Metal Inert Gas Arc (MIG) Welding? Process, Diagram, Advantages & Applications. A well-labeled and accurately drawn schematic diagram can help welders and technicians diagnose an introduction to MIG welding page 2 of 16 www. aluminum 240 V: 24 ga. Be alert that welding sparks and hot materials from Being that it’s such a versatile and accessible setup, beginners are quick to adopt MIG machines, too. Included in this guide to TIG welding basics: What is TIG welding? Advantages of TIG welding ; The following diagram and instructions show a typical TIG welding system and connections. The process can join dissimilar metals. w/Serial No. This multi-process welder has 4 functions: Flux cored arc welding, MIG welding, TIG, and MMA; and the MIG spool gun is optional for aluminum welding purpose. If You're Welder You Must Know How to read welding blueprints to Understand welding diagrams. 1 Installation for MIG/MAG process 20 7. Connect torch: Do not weld in locations near degreasing, cleaning, or spraying op-erations. Spot. 1 MIG Welding Set-up 15 6. 6-89. MC370275Y Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Arc Welding Power Source And Wire Feeder Handler 140 And H100S2-10 Gun File: MIG (GMAW) Troubleshooting Circuit Diagram For Welding Power Source V6,R6 V7,R7 See also Section 7-3 for PC1 data Test Equipment Needed: TM . For a fantastic instructable that is a very in-depth look at the theory, details and safety about MIG welding, read noahw's How to Weld - MIG Welding. While it may not be as easy as MIG welding for a beginner, it’s definitely not as hard as TIG welding. Unlike some stick welding / SMAW rods that can burn through rust, MIG welding has a lot of difficulties welding dirtier metals. Learn more about the five basic types of weld joints recognized by the American Welding Society, and get tips for welding each type to help achieve the GMAW(MIG/MAG) WELDING Page 2 INTRODUCTION: Gas Metal Arc Welding (GMAW) is commonly referred to as MIG welding (Metal Inert Gas welding). Multimatic® 215 Multiprocess Welder DC TIG, MIG, flux-cored, and stick welder featuring Auto-Set™ Elite. Do not weld on coated metals, such as galvanized, lead, or cadmium plated Rossi welders WLDMIG195RSSADJE Pdf User Manuals. SUPER 200P AC/DC Welders. SM. MIG welding is a high-efficiency process compared to TIG welding. Along with the wire electrode, a STEP 2: Set up the MIG welder. 03 MIG Welding Circuit diagram of MIG process Continuous wire Gas hose Gas cylinder Power source Return cable Wire feed unit Everything you need to know from setup and settings to technique. The welder needs to be on, the grounding clamp attached to your welding table or to the piece of metal directly and you need in MIG welding, the process being operable in both ‘dip transfer’ and ‘spray transfer’ modes. The control unit regulates the contactor and gun controls while the wire feed mechanism advances the welding wire from the spool through the welding Be alert that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas. 5 Fundamentals of MIG/MAG, FCAW and MCAW 13 2. Forging, welding, soldering, casting—metalworking encompasses all Sometimes known as its subtypes of metal inert gas (MIG) welding or metal active gas (MAG) welding. With MIG welding, there 6. 4 Welding fillet welds with deep penetration on unalloyed and low-alloy A Mig welder schematic diagram shows the electrical circuitry and components of a Mig welder, providing a visual representation of how it operates. Some materials that can be welded are aluminum, steel, stainless steel, nickel alloys, brass MIG welding is more tolerant of minor surface contaminants than TIG welding, but the cleaner the metal, the fewer problems you’ll have. When MIG welding make sure you have a clean joint by removing any foreign substance. It’s a great choice for sheet metal and light frame autobody work, farm or small shop applications semiautomatic DC constant voltage (wire) welder, 2) a DC manual (stick) welder, or 3) an AC welder with reduced open-circuit volt-age. Aluminum Alloys austenite Corrosion Dislocation Phenomena eutectoid Fe-Fe3C Fe-Fe3C T-T-T Diagram gamma iron Heat Treatment of Steel Hydrogen Embrittlement hypereutectoid Martensite Formation metal casting (See diagram 2) Your ClarEe MIG welder is supplied with a Kg. The MIG welding process can reduces the welding cost, because it produces neat and clean metal deposit on the workpiece. Longer welds can be achieved, as the electrode ‘wire’ is fed continuously from rolls, which makes this Finished welds are much stronger, more consistent, and much cleaner without contacting the air while reaching fusion. Charts with the relevant information are always provided MIG welding is much faster than electric arc welding (stick welding) and can be used to weld a wide range of metals and alloys. 151A MIG WELDER - 230V 50Hz . The fact that it is a continuous wire welding process makes the Gas metal arc welding (GMAW) is a semi-automatic or automatic arc welding process in which a continuous and consumable wire electrode and a shielding gas are fed through a welding gun. A MIG welder schematic diagram is a visual representation of the electrical circuitry and components used in a MIG welding machine. mild steel. The wire, the welding pool and the hot metal are protected against the harmful atmosphere influence by shielding environment [5] of inert gas in the case of MIG welding, and active gas Flux cored welding is a type of MIG/MAG welding using a standard MIG/MAG power source but uses a consumable which may contain a core of constituents which allow the process to self-shield itself therefore requiring no additional gas shield supply. Page 1 TM-258 267B 2013−03 Eff. The Welder Check to make sure that the valve to the shielding gas is open and that you have around 20ft 3/hr flowing through the regulator. Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) and metal active gas (MAG) is a welding process in which an electric arc forms between a consumable MIG wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to fuse (melt and join). comChapters: 0:00 Intr What is Metal Inert Gas (MIG) Welding? Metal Inert Gas (MIG) welding is an arc welding process that uses a continuous solid wire electrode heated and fed into the weld pool from a welding gun. ARC / Stick Welding. Spatter free and smooth welding surface is produced, so it is no need to extra cleaning. 2 Application examples 46 12. This makes it suitable for welding in areas where there may be draughts e. Do not weld where flying sparks can strike flammable material. Plus, these gun variations can all be supported with a common line of high-performing consumables - including new AccuLock™ S consumables - which simplifies ongoing maintenance and inventory costs. With dual 120 or 208/230 volt input power capability, you can use the same machine to weld at home, in the shop or out on the job site. MIG Welding / Gas Metal Arc Welding (GMAW) 24. Have it both ways with the POWER MIG ® 180 Dual wire welder. It provides a clear and organized diagram that shows how the different parts of the welder are This chapter presents the basic components and principle of metal inert gas welding (MIG) and Explore MIG welding tips and tricks, training materials, weld calculators and mobile apps to improve your skills. Equipment DC or AC / DC Power Source TIG Torch Work Return Welding Lead Schematic diagram of manual arc welding with electrodes. MIG Torch and Wire Feeder Set Up Guide for Aluminium MIG Wire 20-21 Installation & Operation for MIG Welding with Spool Gun 22-23 MIG (Metal Inert Gas) Welding 24-25 Basic MIG Welding Guide 26-29 SB15 / SB24 MIG Torch Parts Breakdown 30-31 SPGRW135 / SPGRW200 Spool Gun Torch Parts Breakdown 32-33 MIG Welding Shooting Guide 34-35 Welding is the process of joining metal together structurally. semiautomatic DC constant voltage (wire) welder, 2) a DC manual (stick) welder, or 3) an AC welder with reduced open-circuit volt-age. Be aware that welding on a ceiling, floor, bulkhead, or partition can cause fire on the hidden side. Although pure argon shielding gas is desirable for TIG (Tungsten Inert Gas) welding also known as GTA (Gas Tungsten Arc) in the USA and WIG (Wolfram Inert Gas) in Germany, is a welding process used for high quality welding of a variety of materials, especially, Stainless Steel, Titanium and Aluminium. In most situations, use of a DC, constant voltage wire welder is recommended. 8 VDC, 20% duty MIG welding is suitable for a range of metals of varying thicknesses including steel, aluminium, nickel and various alloys. You might MIG welding is an abbreviation for Metal Inert Gas Welding. 0 General Welding Information 16 3. Poor quality welds a) Insufficient gas at weld area a) Check that gas is not being blown away by draughts and if so move to more sheltered weld area. Mig Welding Trouble Shooting Guide 41-42 Tig Welding Trouble Shooting Guide 43 MMA (Stick) Welding Trouble Shooting Guide 44 Machine Spare Parts Breakdown 45-46 Warranty Terms 47-49. Furthermore, different thicknesses of material may require larger welders. The welding power source used for Shielded Arc Welding (SMAW) should be either an AC welding machine or a DC arc welding machine with descending characteristics. The process of MIG welding is semi-automatic, as the machine does all the wire feeding for you. This instructable is focused on the Everything you need to know from setup and settings to technique. Inert gases are argon, helium, and mixtures of these. 3) Avoid welding on rusted work pieces or work having spots of oil and grease present on the surface. 2 MMA Welding Set-up 15 7. –3/8 in. Everything beyond that was unknown. 200 Amp Pulse Mig Welder. An arc is formed between the wire electrode and base metal, melting the base material while consumable filler wire is deposited, creating the weld. GMAW: Gas Metal Arc Welding (MIG Welding) With MIG welding, the shielding gas comes from a MIG welding, also known as Gas Metal Arc Welding (GMAW), is a widely used welding process that offers versatility and efficiency in joining metals. 1 Production branches 45 11. Millermatic® 211 MIG Welder MIG and flux cored 120 / 240V welder that welds from 24 gauge – 3/8 in. The arc is struck The diagram shows the components of a MIG/MAG welding system including a control unit, welding wire spool, work piece, contactor control, gun control, gas inlet and outlet, welding gun, wire feed mechanism, and shielding gas. MIG welding is relatively easy, but does require a steady hand and supervised practice on scrap The MIG welding process is a continuous arc welding process in which the welding pool is protected by an inert shielding gas that flows from the torch onto the piece to be welded. Ease of use: MIG welding is one of the easiest methods to learn and operate, making it ideal for production environments requiring consistent, repeatable welds. TIG Welding / Gas Tungsten Arc Welding MIG (GMAW) Welding Flux Cored (FCAW) Welding Arc Welding Power Source And Wire Feeder PM-265810A 2020−08 Eff. Metal Inert Gas (MIG) welding is an arc welding process in which a solid wire electrode is continuously fed through a welding gun into a weld pool. If not increase gas supply b) Incorrect gas/wire combination b) Consult your MIG welding manual for correct set-up c) Rusty, painted, damp, oil or c) Ensure workpiece is clean and dry greasy MIG/MAG processes can be used with components of different thicknesses and geometries, and which are made from different materials. 1 Metal Inert Gas Welding (MIG Welding) Metal inert gas welding (MIG) is so named because non-reactive (inert) gases are used during welding. 7 m) of the welding arc. MIG welding is primarily used for the non-ferrous metals aluminum, magnesium, What is MIG welding? Metal Inert Gas (MIG) welding is an arc welding process in which a solid wire (the filler metal) is continuously fed through the welding machine and into the weld pool that’s created by the arc to form a weld. 4 | MIG 200-250 Compact Manual SAFETY Welding and cutting equipment can be dangerous to both the operator and people in or near the surrounding working area, MIG welding is a versatile process and can be easily used to weld various metals and alloys, including copper, aluminum, nickel, and iron. To connect this wire through the feed system ready for operation, follow the instructions below and refer to diagram 2. com POWER MIG. You want the heat to be on the hot side and once you do it for a while it is as easy as flat! There will likely be a bit of What is MIG welding. MAG welding is usually used to weld unalloyed, low-alloy, and high-alloy steels. Download scientific diagram | A schematic diagram of MIG welding setup from publication: Modeling of the MIG welding process using statistical approaches | In this paper, an attempt is made to Being that it’s such a versatile and accessible setup, beginners are quick to adopt MIG machines, too. The two base materials are melted together forming a join. In this comprehensive guide, we will delve into the intricacies of MIG welding, exploring its working principles, equipment requirements, applications, and the pros and cons associated with this welding method. outdoors. Watch for fire, and keep a fire extinguisher nearby. com General MIG (Metal Inert Gas) welding, also known as MAG (Metal Active Gas) and in the USA as GMAW (Gas Metal Arc Welding), is a welding process that is now widely used for welding a variety of materials, ferrous and non ferrous. Miller Electric manufactures a full line of welders and welding related equipment. It is a process developed in the 1940’s, and is considered semi-automated. 0 Troubleshooting and Fault Finding 16 8. 6 4T/2T Trigger Latch Selection 15 3. 4) The use of a welding torch suitable to the welding currents that are going to be used. View online or download Rossi welders WLDMIG195RSSADJE User Manual Parts Diagram. This diagram is essential for understanding the inner workings of the welder and troubleshooting any electrical issues that may arise. Below is a basic diagram of how arc welding works. comChapters: 0:00 Intr What is MIG welding? Metal Inert Gas (MIG) welding is an arc welding process in which a solid wire (the filler metal) is continuously fed through the welding machine and into the weld pool that’s created by the arc to form a Learn MIG welding with this comprehensive guide! We cover basics of how it works, the process, resources, and more. 1 Recommended Welding Parameters for MIG/MAG 16 4. •MIG is in the same family as Metal Active Gas and the two are often MIG welding wire: Gas-shielded arc welding needs a solid MIG wire. Knowing your MIG welder's parts is key for safety and better welding. 2 Root welding of unalloyed and low-alloy steel 48 12. The basic principle of MIG Welding is, an arc is maintained between the end of the bare wire electrode and the work piece where the heat source MIG Welding guide. MIG welding is a type of welding process that uses an electric arc to create a weld. It uses three components to deliver a weld: Electricity (to generate the heat required); An electrode (the wire passed through the gun); Shielding gas (to stop air from contaminating the weld); Thus, the operator controls the MIG welding is an arc welding process that uses a continuous solid wire electrode heated and fed into the weld pool from a welding gun. It also does not have slag to protect the weld when the gas is gone. aluminum Rated Output 120 V: 115 A at 19. MIG200i welding system pdf manual download. And, do not work alone! Disconnect input power or stop engine before installing or servicing this equipment. 4. Image Credit: AWS Symbol Chart. MIG welding, or Gas Metal Arc Welding, is a semi-automated welding process that uses an electric arc to join metals—an arc forms between continuously fed welding wire and base metal. Types of Welding. The heat of an arc melts the electrode and MIG (GMAW) Welding Flux Cored (FCAW) Welding Arc Welding Power Source and Wire Feeder OM-230 693L 2011−08 Millermatic 252 Visit our website at File: MIG (GMAW) www. 0 Periodic Maintenance 18 9. 1) Unscrew the spool holder (Drum brake) wingnut (H) and re- The diagram shows the components of a MIG/MAG welding system including a control unit, welding wire spool, work piece, contactor control, gun control, gas inlet and outlet, welding gun, wire feed mechanism, and shielding gas. MIG welding is particularly suited to the non-ferrous metals aluminum, magnesium, copper, and titanium. Get your Chicago Electric welding parts today! Chicago Electric Comprehensive Guide to Welder Parts, Wiring Diagrams, and Maintenance Tips Models: MIG 170. g. 1 Power Source 18 Diagram and safety explanation Electrical safety alert Welding electrode causing electric shock Fumes and gases coming from welding process PowerCRAFT 180i MIG is a multi-purpose 3 in 1 welding power source. 0 Smootharc MIG 180 Installation 20 6. MIG welding is generally regarded as As with MIG welding, a shielding gas, often pure argon, is used to protect the weld pool. amperages are based on the use of an Argon/CO2mixture as the shield gas and welding in the Short Arc transfer mode. MillerWelds. However, improvements are needed to reduce spatter and improve weld metal toughness. Metal cored wires may also be used in pulse transfer mode at low mean currents, but this has not been widely exploited. Enough on that, a compelling case has been made for MIG; it’s a widespread technique, one that’s earned its position as opener in this series of basic welding techniques. Features: This booklet contains basic guidelines on the Gas Metal Arc Process. Weave for vertical up and down. MIG welding vertical up technique require the nozzle point upward 35 to 45 degrees. weld in locations near degreasing, cleaning, or spraying op-erations.