Worker in a Foundry.An old geared ladle
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Baking Molds

A foundry is a factory which produces metal castings from either ferrous or non-ferrous alloys. Metals are turned into parts by melting the metal into a liquid, pouring the metal in a mold, and then removing the mold material or casting. more...

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The most common metal alloys produced are aluminum and cast iron. However, other metals, such as steel, magnesium, copper, tin, and zinc, can be processed.

The people who work in the foundry making molds and pouring castings traditionally worked moving sand extensively, and thus were affectionately called sandrats.

Melting

Melting is performed in a furnace. Virgin material, external scrap, internal scrap, and alloying elements are used to charge the furnace. Virgin material refers to commercially pure forms of the primary metal used to form a particular alloy. Alloying elements are either pure forms of an alloying element, like electrolytic nickel, or alloys of limited composition, such as ferroalloys or master alloys. External scrap is material from other forming processes such as punching, forging, or machining. Internal scrap consists of the gates, risers, or defective castings.

The process includes melting the charge, refining the melt, adjusting the melt chemistry and tapping into a transport vessel. Refining is done to remove deleterious gases and elements from the molten metal. Material is added during the melting process to bring the final chemistry within a specific range specified by industry and/or internal standards. During the tap, final chemistry adjustments are made.

Furnace

Furnaces are refractory lined vessels that contain the material to be melted and provide the energy to melt it. Modern furnace types include electric arc furnaces (EAF), induction furnaces, cupolas, reverberatory, and crucible furnaces. Furnace choice is dependent on the alloy system and quantities produced. For ferrous materials, EAFs, cupolas, and induction furnaces are commonly used. Reverberatory and crucible furnaces are common for producing aluminum castings.

Read more at Wikipedia.org


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Wilton Star Cookie Treat Pan New $6.50 Brown Bag Cookie Mold - 1985 Toy Bear $24.95
Halloween Pumpkin Cake/Pudding/Jelly Tin & Cupcake Pan $4.99 Disney Chip 'n' Dale Cookie Cutter Mold Mould Stamp $6.99
4Pc Wreath Silicone Bakeware & Rack set Cooks & Chefs $8.99 Brown Bag Cookie Art 1987 Angel w/book Mint $1.99
Brown Bag Cookie Mold -1993 Bird Folk Heart $24.95 New Country Gear Hartstone Cookie Candy Mold Man Woman $4.99
Brown Bag Cookie Mold - 1994 Child'S Stocking $24.95 Brown Bag Cookie Mold - 2001 Mama Panda $24.95
Wilton 6 Cavity Silicone Ruffled Heart Mold $7.95 Brown Bag Cookie Mold - 2000 Benjamin Bear $24.95
Madeleine make 12 full size Madeleines $9.99 Sunbeam Non-Stick 3 Piece Springform Pan Set $6.00
Pampered Chef - Star Pancake Mold $0.99 Wilton Heart Shaped Cake Pans $2.95
Tupperware Silicone Bakeware Bundt Cake Baking Pan New $24.80 Brown Bag Cookie Mold - 1988 Holly Wreath $24.95
Brown Bag Cookie Mold - 1989 Snowman $24.95 Superstone Gingerbread Build a House Mold Box Recipe $9.99
Brown Bag Cookie Mold Celestial Gift Tags $2.99 Williams-Sonoma Halloween Pancake Molds Cat Bat Ghost $15.69
Apple Baker Oven Safe Pottery w/outer design Green $0.99 Mini Heart Pans - set of 2 - silicone bakeware New $5.95
Brown Bag Cookie Art 1993 Dove w/book Mint $1.99 Brown Bag Ceramic Shortbread Pan Farm Animals $7.99
Winnie the Pooh & Tigger Cookie cutter Stamp mold mould $5.99 Silicone Bakeware *Star* shape $2.99
Wilton Mini Muffin Pans set of 2 Non-Stick $4.50 The Pampered Chef Come To The Table Heart Cookie Mould $4.99
Brown Bag Cookie Art 1984 Teddybear Mint! $1.99 Pampered Chef, Brown Bag Cookie Art Molds, Hearts, Bear $5.99
Brown Bag Cookie Mold - 1991 Nutcracker $24.95 free shipping Nib: Set 0f 6 Muffin Bakers $8.99
Cookie Cutter Chinese Double Happiness Wedding Gift 5cm $19.99 Brown Bag Cookie Mold - Bunny With Backpack $24.95
Brown Bag Cookie Mold - 1993 Hobby Horse $24.95 Brown Bag Cookie Mold - 1993 Juggling Rabbit $24.95
lot of 2 Wilton 1977 Easter Egg Baking Molds $9.99 Brown Bag Cookie Art 1986 Rockig Horse w/book Mint $1.99
Brown Bag Cookie Art 1989 Snowman $1.99 Brown Bag Cookie Mold - 1989 Birthday Bear $24.95
Brown Bag Cookie Art 1983 Santa $1.99 10 piece lot *food - fruit * chocolate & soap molds $0.99
16 piece lot Easter*Bunny*Egg chocolate & soap molds $0.99 Brown Bag Cookie Art Stamp Mold Press 1995~Apples~ Nr $4.49
Brown Bag Cookie Mold - 1989 Victorian Santa $24.95 Norpro Nonstick Tortilla Bowl Bakers Set of 2 Nib/New $14.99
Brown Bag Andy Cookie Mold ! Nice Mint Condition $0.99 Wilton Petite Tree Multi-Cavity Pan Cupcakes & More New $6.00
two 9" Cake-Food Molding System Pans Culinique Un-Used $9.99 12 piece lot of Assorted chocolate & soap molds $0.99
2003 Pampered Chef Autumn Wreath Cookie Mold Ltd Editi $8.99 Wilton Barbie Cake Pan w/instructions & doll cut outs $1.97
Williams Sonoma Kids Octopus Cake Pan New $29.99 Brown Bag Cookie Mold - 1988 Double Heart $24.95
Brown Bag Cookie Art 1992 Christmas shortbread Mold $10.50 Brown Bag Cookie Mold - 1983 Cherub $24.95
Brown Bag Ceramic Gingerbread House Cookie Mold $7.99 1997 Wilton Soldier Cookie Mold/Press.Unused $3.99
Ceramic Cookie Stamp-Scottish Terrier $7.95 New Progressive Taco Salad Non-Stick - Set Of 2 $10.99
Brown Bag Cookie Mold - 2000 Moose $24.95 Pampered Chef Family Heritage Welcome Home Cookie Mold $2.99
Brown Bag Cookie Art Christmas Cookie Stamping Tiles $7.99 Brown Bag Strawberry No.3 Cookie Art Stamp Mold 1995 Nr $4.99
Brown Bag Cookie Art "The Garden" Cookie Stamp - Euc $1.99 Wilton 12 Cavity Silicone Petite Heart Mold $7.95
Nib Pampered Chef Stoneware Gingerbread House Mold + $9.99 Pampered Chef Star Form- Nip Mold Cake, Fancy Inserts $2.95
Brown Bag Cookie Mold - 1994 Bedtime Angel $24.95 Hartstone papercraft cookie candy wax mold stamp SaturnĀ  $4.99
Doughmakers Pie Pan with Crust Protector $11.00 Hermitage Pottery Dove Cookie Mold New Stoneware $5.00
Brown Bag Cookie Mold - 1992 Watermelon Pig $24.95 Angel Cookie Press With Handle (1) 3 1/2 " $5.99
Wilton Halloween Pumpkin Jack O Lantern Silicone Mold $13.99 SuperStone Cookie Mold Little Bo Peep 1993 w/book Mint $1.99
Brown Bag Cookie Mold - 1990 Christmas Bear $24.95 Wilton Raggetty Ann Cake Pan Dated 1971 Large 17" Long $4.99
Older Copper Bundt cake/ Jello Mold $8.99 Lot of 23 Assorted Candy Molds $5.99
Brown Bag Cookie Mold - 1986 Running Rabbit $24.95 Brown Bag Cookie Mold - 1983 Wooly Lamb $24.95
Copper Fish Jello/Cake Mold $0.99 Pampered Chef Cookie Mold $0.99
Brown Bag Art Angel Paper/Cookie Casting Mold (1) $15.16 Brown Bag Cookie Mold - 1988 Boy Folk DollĀ  $24.95
Brown Bag Cookie Mold - 1988 Easter Egg $24.95 Pampered Chef Star Form Insert cakes desserts Nib $4.50
Wilton Cookie Mold Looney Tunes Bugs Bunny 1997 $3.00 Vintage Bundt molded baking pan $2.99
2001 Pampered Chef Hospitality Heart Cookie Mold (New) $8.99 Wilton Halloween Mini Cake Pan (Pumpkins,Ghost $16.99
New Pecker Adult Novelty Erotic Penis Cake Pan Naughty $12.00 Kris Kringle - Brown Bag Cookie Art Mold - Unused $7.50
New Jamie Oliver silicone cake mould 28 x 18cm T-fal $24.99 Pampered Chef Cookie Mold Peace On Earth Heart 2002 $3.00
Brown Bag Cookie Mold -1989 Tulip Heart $24.95 Pampered Chef "Campbells Greatest Recipes" Nla New Rare $6.00
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Prices current as of last update, 09/07/08 11:45pm.

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