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YouTube

The Secret to Picture-Perfect MIG Welds

Weld.com via YouTube

Overview

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Master short-circuit MIG welding techniques to achieve professional "stack of dimes" finishes on outside corner joints in this comprehensive 11-minute tutorial. Learn to distinguish between open and closed corner joint types while understanding their corresponding weld symbols including complete joint penetration (CJP) and profile requirements. Explore the critical differences between drag and push torch angles and how each technique affects bead convexity and crown formation. Discover optimal travel speeds and welding patterns, including the "cursive-e" and whip techniques for precise ripple control and aesthetic appeal. Configure your welding machine with specific settings for 1/4" plate using .035 wire, including voltage ranges of 20-23V, wire feed speeds of 250-300 inches per minute, and 4T trigger operation. Master essential fit-up preparation techniques including proper tack sizing, joint uniformity maintenance, and anti-spatter preparation methods. Follow detailed demonstrations of 2F position welding using both drag and push techniques, analyzing bead profiles, penetration characteristics, and spatter patterns. Understand how push technique flattens welds and learn tuning adjustments to achieve optimal results around 20V and 250 ipm settings. Examine common welding challenges including poor fit-up scenarios and learn professional tie-in techniques for seamless weld connections. Develop skills in reading weld beads to identify and correct issues such as undercut, underfill, and wet-out problems through proper technique adjustments.

Syllabus

00:00 Intro & Goal: Stacked Dimes on Outside Corners GMAW-S
00:28 Outside Corner Types: Open vs Closed + Weld Symbols CJP, profile
02:00 Torch Angles: Drag vs Push for a higher convex crown
02:32 Travel Speed & Patterns: “Cursive-e” vs Whip for ripple control
03:37 Machine Setup: 20–23V, 250–300 ipm, 4T trigger Everlast 255 MTS
04:12 Fit-Up Essentials: Tack size, joint uniformity, anti-spatter prep
04:29 2F Demo Drag: Bead profile, penetration & spatter
05:25 2F Demo Push: Why it flattens, tuning to ~20V / ~250 ipm
07:03 Trying To Weld A Poor Fitup
08:39 Making A Good Tie In
09:29 Read the Bead: Undercut, underfill & wet-out fixes
10:25 Recap: Settings, angles, and pattern to repeat the look

Taught by

Weld.com

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