MANUFACTURING AND PRODUCTION ENGINEERING METAL CASTING LECTURE 2 : PATTERN ALLOWANCES
In this videos we are going to study Casting , Types of Molding sands ,Cope Drag , Sand casting terminology 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 pattern
Various types of casting processes
Melting furnace types
Gating systems
Casting defects
For mechanical engineering competitive exam preparation the content of this channel is main focused .
for more videos subscribe and press bell icon