10/29/2019ICI Annual Technical Conference & Expo

MAGMA Foundry Technologies Inc.

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1 - Liquid

2 – Liquid to Solid

3 - Solid/Pattern Maker's

Time (S)

Tem

pera

ture

(F

)

Thick

Thick

Thin

No Feeding

Free Feeding

Shell Mesh

Last area to solidify

cut off from feeding

Last area to solidify,

cut off from feeding

Key Regions:

Bolt tabs

Arm

Machined hole

Last Areas to Solidify

Dewax

Feeds Porosity

Feeds Porosity

Feed Path

Dewax

RiserRiser

Feeds Porosity

Addition

Riser

Variant with Preformed Hole

Gating Style 3

Gating Style 4

Current DesignDesign 1

Design 2Current Design

Current DesignDesigns 3 & 4

Current DesignDesign 1

Much Larger Volume

Current DesignDesign 2

Smaller Volume

Somewhat Larger Volume

Current DesignDesigns 3 & 4

Preformed Hole Risered

Approx.

Machined

Hole Size

No Modification

1 2 3

Current DesignImproved Much worse Equivalent

4

Improved

﹁The design runs into issues with gate

grind. When grinding the gate off of the

flange, the grinder would run into the

feature at the end of the arm.

﹁Because grinding this area is impossible

with the foundry’s current equipment, the

design is not viable.Ground

Surface

Interference

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Evan Letourneau

MAGMA Foundry Technologies Inc.