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In addition to supplying customers with excellent products including titanium investment castings, Ferralloy Inc. also provides engineering support, quality standard adherence, logistics management, inventory stocking and distribution services. We can ensure our customers that they have the components they need when they need them without having to maintain excessive inventories.
Being in business for over 50 years means the team at Rimer Enterprises understands how to maintain quality products and solid relationships with customers. We have many long term employees who care about the quality of our products and work to make sure they do everything possible to get you your titanium investment castings and related casting techniques when you need them.
If you are looking for a company that is equipped with a variety of casting techniques such as titanium investment casting, then look no further then AMT Inc., a company that has been in business over 40 years. Their expertise and affordability in the casting industry benefits a number of other industrial settings, like medical and dental equipment and food and textile machinery.
By building a tradition of quality and engineering excellence, Modern Aluminum Casting Co., Inc. can assure your complete satisfaction no matter what type of casting you need. We offer complete alloy sand casting and titanium investment casting services. When faced with solving the most complex casting challenges our engineers and technical staff is available to provide you with assistance.
Protocast/John List Corporation 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 for 35+ years.
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Industry Information
Titanium Investment Casting
A variety of metal alloys may be used in the investment casting process, including aluminum, copper and stainless steel which are some of the most common materials. Because a wax model is created in the exact size and shape as the part, investment casting, or wax casting, allows for high dimensional accuracy. Titanium investment casting is expensive compared to other methods like die casting although it has lower equipment costs and requires less finishing. Investment casting can be done by hand in single or small batches or can be semi-automated and produce hundreds of parts at once. Castings can be as small as fractions of an inch thick to weighing 1,000 pounds though most parts are 15 pounds or less. Titanium castings are very strong and lightweight and are used for turbocharger components, industrial tools and instruments and other applications in the defense, aerospace, transportation, power generation, marine and medical industries.
The process of investment casting begins with a wax replica of the part that has been hand or machine carved or produced through injection molding. The wax pattern is attached to a sprue, or wax rod. Depending on the side and shape of the part, several hundred patterns may be attached to the same sprue resulting in an assembly called a tree. The tree is dipped in a ceramic slurry called the investment. It is dipped multiple times in mixtures that are increasingly coarse. When the investment is thick enough on the wax pattern, it is left to dry. Another method is to place the tree in a flask and pour investment into the container until the tree is completely covered. The use of a low temperature oven or a vacuum can speed the process. Once dry, the tree is placed in an oven or furnace upside down to allow the melting wax to drip out. During the burnout phase the investment shell is left to heat even more in order to completely eliminate any residual moisture or wax. Molten titanium is poured in the space and may be drawn in through vacuum, positive air pressure or centrifugal casting procedures. Once the titanium part is cooled and hardened, the investment is removed through a variety of techniques including vibrations, hammers, a dissolving agent or media-blasting.
