Study this course in Learn
Practice opens in your NABTEB workspace after you sign in. Questions and lecture notes stay there.
Official rules, eligibility, and dates stay on the NABTEB guide.
course outline
Topics
Common Foundry Tools and Devices
Naming, identifying, and describing the use of various foundry tools and devices.
Types and Techniques of Foundry Works
Principles, techniques, classes, types, advantages, and disadvantages of foundry work.
Principles of Common Pattern Making Tools and Their Application
Working principles, application, usage, maintenance, and materials for pattern making tools.
Safety Aspects of Pattern Making
Factory safety acts, identification of devices, and associated hazards in the pattern making workshop.
Essential Features and Working Principles of Core Making Machines
Features and working principles of core machines for mixing sand, drying, and manipulation, and properties of sand used in core making.
Simple Calculations Involving Core Sand Preparation
Simple calculations involving ingredients for mixing volumes, test results, and losses in core sand preparation.
Types of Moulds, Their Uses, Techniques and Methods of Production
Explanation of all types, techniques, and methods of moulding, properties of sand, use of moulding fixtures, and calculations relating to pressure and force.
The Importance of Facing and Dressing the Mould with Appropriate Materials
Importance of facing and dressing moulds, and the selection of dressing materials based on sand properties.
The Principle of Post Casting Knocking Cleaning and Fettling
Manual and mechanical knock-out operations, dangers of premature knock-out, and safety measures.
Maintenance and Operation of Common Foundry Melting Furnaces
Construction, function, operation, melting losses and gains, and tapping operations of common foundry furnaces.
The Principles of Heat Effect of the Heat on Materials
Mathematical calculations involving the effect of heat on metals, heat transfer processes, thermal efficiency, and heat treatment.
Casting Finishing Using Machining, Polishing, Painting, and Chemical Treatment
Principles of machining, polishing, painting, and chemical treatments like electroplating, anodizing, and galvanizing on cast surfaces.
Industrial Methods of Removing Scales and Oxide Films from Metal Surfaces Prior to Electroplating
Importance of surface cleanliness, structure of scales and oxide films, and different methods of surface cleaning.
Electroplating Processes and Methods
Metal coating methods, hot dipping process, cementation process, vapour deposition methods, and conversion processes.
Different Electroplating Solution or Metallic Coatings and Their Applications
Industrial process of zinc coatings, aluminium coatings, bright and hard anodizing, nickel electro-deposition, and chromium plating.
Waste Control, Management and Disposal in an Electroplating Industry
Sources and control of solid and liquid waste, handling and disposal of waste, and estimation of cyanide and pH value in waste chemicals.
Methods of Inspection and Identification of Faults and Defects on Electroplated Components
Reasons and causes of defects and faults on electroplated components and proper selection of materials and chemicals.