In this videos we are going to study Casting ,Core and Core Prints
Types of Pattern
Molding Material and Properties
Refractoriness
Permeability
Green Strength
Dry Strength
Hot Strength
Collapsibility
Molding Sand Composition
Base sand,
Binder, and
Moisture
Previous videos
1)Single piece pattern 2)Split piece pattern 3) Cope and drag pattern 4)Three-piece or multi-piece pattern 5)Loose-piece Pattern
6)Sweep pattern 7)Match plate pattern 8)Gated pattern
etc ...video series completes the whole Metal casting
Casting terms
Molding material and properties
Silica Sand , CLAY
Types of Molding Sands
1. Foundry Green sand
2. Dry sand
3. Loam sand
4. Parting sand
5. Facing sand
6. Backing sand
7. System sand
8. Core sand
Pattern
Pattern Allowances
1 Shrinkage or contraction allowances
2 Draft or taper allowances
3 Machining or finishing allowances
4 Distortion or camber allowance
5 Rapping allowance
Types of patternTypes of Pattern
Various types of casting processes
Melting furnace types
Gating systems
Casting defects
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