Trade and Industrial Education

FOUNDRY MOLDING : Advanced (Book with DVD)  (Workbook Included)

FOUNDRY MOLDING : Advanced (Book with DVD) (Workbook Included)

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  • About the Editor
    • Equip individual with competency to prepare sand mixture and produce all types of molds manually to cast heavy casting.
    • Includes competency in pouring molten metal to heavy castings.
    • Provides knowledge and understanding of ideas, information and issues required in the workplace.

Foundry Molding: Advanced comprehends various diverse practical and visual skills with knowledge of specialized materials and techniques. A foundry is a workshop that produces metal castings. Metals are cast into shapes by melting them into a liquid, pouring the metal in a mold, and removing the mold material or casting after the metal has solidified as it cools. Molding is the process of manufacturing by shaping liquid or pliable raw material using a rigid frame called a mold or matrix. Molding sand, also known as foundry sand, is a sand that when moistened and compressed or oiled or heated tends to pack well and hold its shape. It is used in the process of sand casting for preparing the mould cavity. This book will introduce the knowledge and skills for those studying and/or working in foundry industry to interpret and convey information in response to workplace requirements.


About this Book


The information in this book consists of basic to core competencies that a person must achieve to be able to prepare sand mixture and produce all types of molds manually to cast heavy casting (500 kgs. or more net weight) individually or as a team. It also include competency in pouring molten metal to heavy castings. The heavy casting are usually cast to make press die parts such as forming, blanking die and trimming dies, base plates for molding machine.


About the Foundry Industry


The foundry industry consists of many stages from mining to the actual casting of the metal and iron. While most of the materials used in the foundry industry are mined from the earth as ore and minerals that are heated and liquified, many recycled iron and steel products are also heated and liquidated before being poured into molds and turned into new steel and iron bars. This type of recycling brings scrap yards, automobile salvage yards and neighborhood recycling programs into the foundry industry. Trucking and rail services are also involved in the process of creating new steel from old and discarded steel scrap, as they transport the raw materials to the foundry where the scrap is turned into new steel.


While the foundry industry is not responsible for the creation of many finished items, it is responsible for creating the raw castings that are finished by other factories. Once the raw materials have been heated to a liquid and poured into molds, the foundry industry process often requires use of large drop-hammers to pound the hot iron bars into a specific size and shape. Many different steel types and iron types are created by the mixture and addition of certain minerals to the molten iron while it is still in the large cauldrons. Engineering firms have a construction crew or hire a construction company to build the foundry. Engineers work with construction foremen to plan and construct the facility from start to finish. Foundry engineers look at the current setup and structure and determine solutions to meet the customer’s needs within the current facility.