Castings: Vacuum Process Fundamentals

Vacuum Process Fundamentals introduces the learner to casting production by Vacuum Process Molding. The course provides an overview of the common defects and troubleshooting guidelines. 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

  • Understand the life of a casting manufactured by vacuum process molding.
  • Identify the equipment used in vacuum process molding.
  • Learn about the design considerations for pattern and mold making.
  • Comprehend the processes and procedures that define the vacuum process.
  • Diagnose the casting defects manufactured by the vacuum process.
Course Length: 2 HRS

Table of Contents

Introduction to Vacuum Process Molding

Casting Finishing and Evaluation

  • Casting Finishing
  • Casting Evaluation
    • Metallic Projections
    • Cavities
    • Discontinuities
    • Defective Surfaces
    • Incorrect Dimensions
    • Incomplete Castings
    • Inclusions
  • Process Optimization Tips

Vacuum Process Foundry

  • Vacuum Process Summary
  • Foundry Layout
  • Operator Safety
  • Equipment Terminology
  • Advantages and Disadvantages

Processing Steps

  • Pattern Making
  • Filming the Pattern
    • Heating
    • Forming
    • Coating
  • Creating the Mold
    • Flask Placement
    • Flask Filling
    • Flask Sealing
  • Assembling the Mold
    • Accessories Placement
    • Core Setting
  • Pouring
  • Shakeout

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