<strong>Shovel</strong> <strong>Mechanical</strong> <strong>eLearning</strong><strong>Course</strong> <strong>Catalog</strong>Lesson 6.4 Welding GuidelinesLesson Description:This Lesson provides information for Maintenance Personnel responsible for performing welding procedures onP&H <strong>Mining</strong> Equipment.Objectives:Upon completion of this Lesson the student will:• Have a thorough understanding of the terminology associated with welding.• Have an in depth understanding of P&H <strong>Mining</strong> Equipment Inc. guidelines associated with Fillet Welds.• Understand the definition of Porosity, how to detect it, the company policy associated with acceptancecriteria, and how to repair it.• Understand the definition of Incomplete Fusion and Slag Inclusions, how to detect it, the company policyassociated with acceptance criteria, and how to repair it.• Understand the definition of Incomplete Joint Penetration, how to detect it, the company policy associatedwith acceptance criteria, and how to repair it.• Understand the definition of Undercut / Wash, how to detect it, the company policy associated withacceptance criteria, and how to repair it.• Understand the definition of Overlap, how to detect it, the company policy associated with acceptancecriteria, and how to repair it.• Understand the definition of Cracks, how to detect it, the company policy associated with acceptancecriteria, and how to repair it.• Understand the definition of Fillet Weld Size, how to detect it, the company policy associated withacceptance criteria, and how to repair it.• Understand the definition of Concavity and Convexity, how to detect it, the company policy associated withacceptance criteria, and how to repair it.• Understand the definition of Blend, how to detect it, the company policy associated with acceptancecriteria, and how to repair it.• Understand the definition of Groove Weld Profile, how to detect it, the company policy associated withacceptance criteria, and how to repair it.• Understand the definition of Weld Cleaning - Spatter, how to detect it, the company policy associated withacceptance criteria, and how to repair it.• Be introduced to and have an understanding of the basic welding symbols associated with Fillet Welds,Groove Welds, and Plug or Slot Welds.• Be able to interpret the weld symbols used by P&H <strong>Mining</strong> Equipment Inc.Lesson Outline:• Topic 1 Welding Definitions• Topic 2 Fillet Weld Guidelines• Topic 3 Porosity• Topic 4 Incomplete Fusion and Slag Inclusions• Topic 5 Incomplete Joint Penetration• Topic 6 Undercut / Wash• Topic 7 Overlap• Topic 8 Cracks• Topic 9 Fillet Weld Size• Topic 10 Concavity and Convexity<strong>Shovel</strong> <strong>Mechanical</strong> <strong>eLearning</strong> <strong>Course</strong> <strong>Catalog</strong>.docx 13
<strong>Shovel</strong> <strong>Mechanical</strong> <strong>eLearning</strong><strong>Course</strong> <strong>Catalog</strong>• Topic 11 Blend• Topic 12 Groove Weld Profile• Topic 13 Weld Cleaning - Spatter• Topic 14 Introduction to Weld Symbols• Subtopic 1 Fillet Weld Symbol• Subtopic 2 Groove Weld Symbols• Subtopic 3 Plug or Slot Weld Symbol• Topic 15 Welding Symbol Interpretation<strong>Shovel</strong> <strong>Mechanical</strong> <strong>eLearning</strong> <strong>Course</strong> <strong>Catalog</strong>.docx 14