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| |doesitwork = yes | | |doesitwork = yes |
| |contact = Eric Stein | | |contact = Eric Stein |
− | |where = hot metals | + | |where = Removed |
| |value = ? | | |value = ? |
| + | |hostarea = Hot Metals |
| }} | | }} |
| | | |
| + | ==Operation== |
| + | *Start burnout process for flask |
| + | *clamp machine to sturdy table |
| + | *place chipboard box over machine (box currently (7/2015) located on top of lockers near back door) |
| + | *wind machine counter clockwise for several turns |
| + | *while holding wound machine, lift shiny metal bar upward and gently rest the swing arm against it |
| + | **Pressure from swing arm will hold shiny bar in place |
| + | *retract crucible tray (the metal bit that moves back and forth along the centrifugal arm axis) |
| + | *start heating metal in separate crucible in a safe, nearby location. Preferably surrounded by firebrick |
| + | *remove flask from burnout oven |
| + | *place appropriately sized sheet metal support ring over heated investment flask |
| + | **we have one for our wider flasks and one for the narrow flasks. Both are located with the flasks, crucibles, and casting machine |
| + | *load flask and support ring onto the swinging arm |
| + | *push crucible tray up against back of heated flask until snug |
| + | *load crucible with molten metal into crucible tray. Keep under torch as much as possible to prevent oxidation. |
| + | **Try not to torch the casting machine |
| + | *pull counterweight slightly counterclockwise to release shiny metal bar |
| + | *release counterweight and GET YOUR ARM OUT OF THE WAY |
| + | *allow spinning arm to come to a complete stop before removing crucible/investment flask |
| + | *dunk investment flask into water bucket to disintegrate investment |
| + | *admire prize |
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| * better mounting for tables | | * better mounting for tables |
− | * document how to use
| |
| * document the box you put around it to avoid splashy metal | | * document the box you put around it to avoid splashy metal |
− | | + | **Current box is kind of crappy, but works fine |
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− | [[Category:Metalworking]]
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− | [[Category:Hotmetals]]
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− | [[Category:Metal Casting]]
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