Castings: Gravity Die Casting Basics

Gravity Die Casting Basics introduces the learner to casting manufacturing by gravity die casting. The course provides an overview of the static and tilt pouring processes and insights into operational control for producing sound castings. Presented in THORS’ highly visual and interactive learning format, this course will help foundry employees become familiar with the important equipment processing steps associated with their profession.


Learning Objectives

  • Identify the components of the equipment and mold used in gravity die casting.
  • Understand the processes involved in manufacturing castings by gravity die casting.
  • Learn the operational parameters that are essential to gravity die casting.
  • Diagnose the casting defects common to gravity die casting.
  • Understand the nuances of controlling the operational parameters to produce defect-free castings.
Course Length: 2 HRS

Table of Contents

Introduction

  • Gravity Die Casting Foundries
  • Foundry Layout
  • Process Summary
  • Machine Terminology
  • Mold Terminology
  • Alloys and Applications
  • Die Fabrication
  • Gravity Die Casting Methods
    • Static Pouring
    • Tilt Pouring
      •  Conventional Tilt Pouring
      •  Reverse Tilt Pouring
  • Advantages and Disadvantages

Processing Steps

  • Assembling the Mold
  • Preheating the Mold
  • Preparing the Melt
  • Regulating the Mold Temperature
  • Coating the Mold
  • Closing the Mold
    • Cores
    • Filters
  • Pouring
  • Tilting
  • Casting Solidification
  • De-Coring
  • Casting Ejection

Casting Finishing and Evaluation

  • Casting Finishing
  • Casting Evaluation
  • Shrinkage Porosity
  • Gas Porosity
  • Misrun
  • Cold Shut
  • Hot Tear
  • Troubleshooting
  • Operational Control

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