Casting (5) Flashcards
1
Q
Four Steps
A
- Making a Pattern
- Building a Mold
- Filling the Mold
- Removing the Casting
2
Q
Pattern
A
Identical to the final product. Used to create a Mold cavity.
3
Q
Reusable Patterns
A
- Made of Metal, Wood, Plastic
- Patterns removed from Sand-Castings
4
Q
Expendable Patterns
A
- Made of wax, foam, plastic resin
- For intricate designs
- Dimensional Accuracy
- Pattern is melted away In a furnace or by molten metal
5
Q
Molds
A
Made with a Pattern, intended to hold the molten metal in the intended solidified shape.
6
Q
Reusable Molds
A
- Usually made of metal
- Reusable
7
Q
Expendable Molds
A
- Mold must be broken to remove the Casting
8
Q
Cheek
A
Flask inserted between the Cope and Drag to help mold difficult shapes.
9
Q
Core
A
Separate piece inserted in the mold cavity to form an opening in the casting.
10
Q
Chaplets
A
Small metal pieces used to hold the Core in place
11
Q
Cope
A
Top portion of the mold
12
Q
Drag
A
Bottom portion of the mold
13
Q
Gates
A
Where molten metal from the riser feeds into the Mold Cavity.
14
Q
Pouring Cup
A
Where molten metal is poured into the Mold
