Die Castings/

Cold Chamber Die Castings

Cold chamber die casting is one of the two main die casting processes. The words “cold chamber” refer to the equipment in which a metal is cast; cold chamber die casters involve an unheated metal injection mechanism that is separate from the furnace used to prepare metals for casting.

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A&B Die Casting
Hercules, CA
510-741-3170
For over 60 years, the principle of excellence and quality has been a focus of family-run A & B Die Casting. With state-of-the-art equipment and complete machining services, A & B provides metal castings, die casting design, alloy castings and cold chamber die castings. From design to delivery, customer satisfaction and consistently superior quality can be expected from this respected company.
 
Crown Die Casting Corporation
Mount Vernon, NY
914-667-5400
Over 45 years experience, Crown Die Casting specializes in Zinc and Aluminum Die Casting, as well as CNC Machining, Product Design and Metal Finishing. In House Tooling and registered users of SolidWorks and GibbsCAM.
 
Dura-Cast, Inc.
Enterprise, AL
334-347-2076
Since 1978, it has been Dura-Cast's mission to produce superior quality miniature zinc die castings with cost-effective pricing and on-time deliveries. This ISO 9001:2008 certified, world class supplier of OEM zinc die castings is dedicated to total customer satisfaction. Discover all the industries we serve and request a quote today! We are your single source for all your zinc die cast needs!
 
Apex Aluminum Die Casting Company
Piqua, OH
937-773-8318
Apex`s extensive automation of the die casting process, including the use of robotics, ensures consistent quality in the casting process. Custom-built machines allow for a wide casting parameter that can fit any cast including hydraulic slide pulls & insert loaded parts. We offer most aluminum die casting alloys including zinc & can cast from 1 oz. to 20 lbs. We have been ISO certified since 2002.
 
Able Die Casting Corporation
Schiller Park, IL
847-678-1991
Able has been manufacturing die castings for industries such as appliance, automotive, and construction for over 70 years. As a full-service custom caster, they offer aluminum castings and zinc die casting capabilities with a variety of alloy options best suited for individual applications. Able also offers machining, tooling, vibrating deburring, platting, painting assembly & packaging services.
 

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JDH Pacific
Norwalk, CA
800-818-9335
For over 20 years, JDH Pacific has provided superior cast, forged & machined components to industrial OEM manufacturers across a multitude of industries. Discover the variety of high-quality, reasonably priced parts we manufacture with our extensive & specialized collection of casting equipment, including sand & semi-automatic aluminum die cast, green sand, resin sand, investment cast & more!
 
Modern Aluminum Castings Co., Inc.
Terre Haute, IN
812-232-0007
Modern Aluminum Castings offers customers full-service aluminum casting capabilities from design to delivery. For aluminum, zinc, carbon steels and other metal alloy castings, we are your one-stop source. For your complete finishing needs we also offer heat treatments, coatings, machining and surface treatments such as vibratory finishes and shot blasting services.
 
AccuCast, Inc.
Rockford, IL
815-394-1875
AccuCast specializes in precision miniature zinc die castings, handling even the most demanding specifications and limited tolerances. We work closely with our customers in order to provide proper designs and molds. Secondary operations are also available including vibratory deburring and degating and also surface coating. Please don't hesitate to call; we are more than happy to assist you.
 
Gibbs Die Casting
Henderson, KY
270-827-1801
Gibbs delivers consistent quality die casting services to countries worldwide. As leaders in aluminum and magnesium die cast components, you can count on any of our manufacturing facilities. Whether you are in the automotive business or not, our die casting, machining, die building & design services can match your needs. Gibbs products and services will prove themselves to be the "best in class."
 
SDC Inc.
Sullivan, MO
573-468-3107
SDC is a manufacturer of die cast products including zinc die castings and aluminum die castings. We use premium metals and certified heat treatment. At SDC we demand the highest quality in product and service, encourage innovation in both. We are able to meet exact specifications with numerous secondary operations such as tooling, machining and burnishing. To make it last, make it SDC die cast.
 
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Cold Chamber Die Castings

Cold chamber die casters are used to cast alloys with higher melting points as well as metals like aluminum, brass and copper. These metals have high melting points and cannot be cast in hot chamber die casts, the other main die caster category, because the heat required to melt them would cause damage to the pumping system. By separating the furnace and chamber, cold chamber die castings minimize the amount of heat to which the equipment is exposed, thus reducing the chances of it becoming damaged. While the cycle time for cold chambers is still fast, it takes longer than the hot chamber die casting process, which is used when metals have a lower melting point and can be cast inside a furnace. Cold chamber die casting is popular because of a cheaper cost of production and because of the reduced number of opportunities for the casting equipment to become damaged. The products exhibit naturally smooth surfaces and therefore require less secondary processing. Products made from cold chamber die casting are found and used within all kinds of industrial and commercial contexts. The automotive, aviation, watercraft manufacturing and many other industries make extensive use of cold chamber die cast products.

The cold chamber die casting process begins when the metal material is heated until molten in a furnace. Since the holding pot is kept separate from the die casting machine, the molten metal is either automatically or manually transferred from the furnace to the cold chamber by a ladle instead of by pumping. A plunger forces the metal into the injection sleeve of the die under great amounts of pressure; these pressure levels can be anywhere between 2,000 and 20,000 PSI. The exposure time for the molten metal to plunge the walls of the mold is much less than hot chamber molding because the metal tends to cool very quickly. After the cast has solidified, it is removed from the mold and taken to any necessary post processing. Since the holding pot is not located inside the furnace, cold chamber die casting machines are larger and bulkier than their alternatives.