Basic Metal Casting Class Syllabus
c. A Brief History
Introduction
a. Safety First!
b. Clothing Requirements
- Absolutely no open toed footwear allowed. Leather boots or shoes recommended
- Long pants in a natural fiber, synthetics and synthetic blends discouraged
- Long sleeved shirt in a natural fiber (cotton, wool, etc…)
- Safety glasses are recommended
d. Metal Casting Processes
- Lost foam
- Lost wax (investment)
- Permanent Mold
- Die casting
- Rotocasting
- Sand Casting
a:
Hard-Bonded Sand
b:
Petrobond Sand
c:
Green Sand
Metals
1. Low Melt
Alloys/Lead
2. Aluminum
3. Copper Alloys
4. Iron/Steel
Furnaces
Crucible Furnaces
- Solid Fuel
- Charcoal
- Liquid Fuel
- Gaseous Fuel
- Propane/Natural Gas
- Wood Gas/Producer Gas
a.
Reverbatory Furnace
b.
Cupola
c.
Crucibles
d.
Types
e.
Handling Equipment
f.
Care and Feeding
- Basic Sand Casting Equipment
- The Sand
a.
Type and Mesh
-
Permeability and Surface Finish
b.
Clay/Sand Proportions
c.
Mixing and Tempering
d.
Mulling
Flasks
a. Fixed
b. Snap
Rammers
Sprue
Pins/Cutters
Spoons
and Slicks
Riddles
Parting
Compound
Molding
Bench
Basic Patternmaking
Materials
Draft +
Shrink
Loose
Patterns vs. Mounted
Split Patterns
Finishing
Gating and Risering
Sprues
Runners
Ingates
Shrinkage prevention
Directional Solidification
Gate Placement
Risers and Shrinkers
Hot
Cold
Making a Mold
Hands-on Demo
Melt and Pour
1. Put on
PPE
2. Cold Practice
3. Fire it
up!
Cooldown and Shakeout
Sprue/Gate Removal
Questions
Proper PPE will be provided for the pouring (gloves/gauntlets, leather apron and face
shield)
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