Aluminum, copper, and stainless steel are among the most commonly used metals; almost any castable metal may be used including gold, titanium, and brass. Due to the smooth surface of the wax pattern that is used to create a ceramic mold, the resulting parts have a very fine finish that requires little machining. Read More…
Ferralloy Inc.Cleveland, OH | 440-250-1900
For over 30 years, we have provided metal forged products for a wide variety of industries, including the aerospace, military, food service, medical, and automotive industries. Our customers know they can trust our forgings for quality and affordability. We will never try to make you pay more than you should for our products. Contact us by phone or email to find out more!$$$
Rimer Enterprises, Inc.Waterville, OH | 419-878-8156
Since 1944 we have been driven to remain a cut above the competition in investment castings and everything we do. We have our own tooling shop filled with state-of-the-art testing machines. We ensure perfect results every time. It is our goal to establish lifelong relationships with our customers that benefit us both. Contact us for more info today!$$$
Impro Industries USA, Inc.Diamond Bar, CA | 877-484-6776
At Impro, we have top-of-the-line equipment for the most demanding investment casting requirements. Our equipment and automation process controls allow us to work with different ferrous and non-ferrous alloys, and maintain consistent and repeatable tolerances as close as ± 0.1 mm. Our investment castings are dimensionally and geometrically complex and produced to net shape, minimizing the need for secondary machining. Contact us today to learn more!$$$
Lodestar Quality LLCLafayette, IN | 765-463-7455
Founded in 2011, Lodestar Quality LLC is a knowledge-driven custom manufacturing solutions provider that provides manufacturers of products a full range of services from innovative design and engineering, to sourcing and production using best in class quality control methods in a cost efficient manner. Focus areas include fabrications, castings, machining and forging, plastic products, and mechatronics.$$$
MetalTek InternationalWaukesha, WI | 262-544-7777
MetalTek International manufactures metal components that power, protect, and connect people and businesses worldwide. Our sand, investment, and centrifugal castings are used in heat, wear, and corrosion environments from the depths of the ocean to the surface of Mars. With our diverse capabilities and depth of experience, we will help you overcome obstacles and push the limits of what is possible. Contact MetalTek today and together we will Make A Lasting Difference in people’s lives.$$$
Modern Aluminum Castings Co., Inc.Terre Haute, IN | 800-467-6252
We act as a single-source aluminum investment casting partner for all our customers. We also act as a domestic and global supplier for all our products. We create products for industries including appliance, HVAC, electrical, construction, medical, and automotive. No matter what industry you are in, we can help you find the right solution. Contact us for more info!$$$
Protocast JLCChatsworth, CA | 818-882-7848
Protocast Inc. uses the precision lost wax investment castings method to prototype and produce products for the aerospace, commercial, medical, and military industries. We pour aluminum, bronze, and steel alloys. We have been in the investment casting business since 1966. We strive to have the highest quality products in the industry while continuously improving and expanding.$$$
Signicast: A Form Technologies CompanyHartford, WI | 262-673-2700
Signicast is a proven leader in precision investment casting and rapid prototyping with state-of-the-art facilities that utilize just-in-time manufacturing processes. Investment casting provides ultimate design freedom, variety, and alloy selection. And at Signicast, we have more than 150 alloys to choose from.$$$
Wax casting is effective at producing complex and detailed parts that other manufacturing methods cannot. There are no seams, flashes, or parting lines because the part is made as one whole piece. Because a wax model is created in the exact size and shape as the part, wax casting provides a highly accurate part. Castings can be fractions of an inch thick or weigh hundreds of pounds; most parts are around 15 pounds or less.
Wax casting is a traditional metal part manufacturing process that has been used for jewelry making for hundreds of years. It is finding modern uses in a wide variety of applications including dental and medical tools, engines, couplings, fittings, pipes, propellers, and in aerospace, automotive, dental, medical, electrical, construction, mining, food processing, telecommunication, plumbing, military, sports, and other industries.
Wax casting relies heavily on wax and its properties, though the actual wax is not necessarily pure; it may contain plastic or other substances. The wax can be carved by hand or machine but may also be produced through injection molding where hot wax is poured into a metal mold. Items such as preexisting patterns made from other materials may be covered in wax that is carefully removed when hardened then reattached.
When the wax model is ready, it is attached to a wax sprue using a heated metal tool. Depending on the size and shape of the part, several hundred patterns may be attached to the same sprue resulting in an assembly called a tree which is dipped in ceramic slurry called the investment. It is dipped multiple times in mixtures that are increasingly coarse until the investment shell is thick enough. Another method is to place the tree in a flask and pour investment into the container until the tree is completely covered.
Once the investment has hardened, the tree is inverted and placed in an oven or furnace. It is exposed to high temperatures during the burnout stage when the wax melts and runs out; all residual moisture is baked off. When removed from the oven, a liquid metal at very high temperatures is poured into the hollow shell. The metal cools within minutes and the shell can be removed, exposing the part within.