CAST KIRKSITE TOOLING PDF

Kirksite tooling is a unique and valuable product offering and has helped make Experi-Metal an industry leader for over 55 years. While still an important standard for car manufacturing, its use has expanded into developing prototypes for industries including aerospace, aircraft and military defense. With a shrinking rate that is half that of aluminum, our engineers are able to build prototypes quicker with Kirksite than with any other materials. Even at a faster rate of production, the high quality of the material does not sacrifice accuracy.

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Kirksite is a moderate strength zinc-base alloy that was developed primarily as a forming tool alloy. Dies cast from Kirksite provide low-cost tooling because the alloy can be accurately cast, requiring a minimum of finishing. In addition, Kirksite has been used as a general purpose casting alloy for non-stressed components.

Typical uses for Kirksite alloys are: Press dies and punches for sheet metal forming. Molds for ceramics and rubber. Injection molding and compression molding dies. Tube bending dies. Mandrels for metal spinning. Low stressed non-sparking tools and repair parts. Higher casting temperatures should be avoided due to possible iron contamination from the cast iron kettles normally used to melt the alloy.

Iron pickup can cause poor casting surface quality and brittleness. Melting in a silicon carbide crucible is preferred as a safeguard against iron pickup. The alloy is normally cast in permanent, plaster or sand molds. Kirksite is readily machined and polished. Castings can be successfully plated following procedures used for zinc die-castings. Kirksite can also be cast in rubber tooling as a replacement for slush casting alloy ZA-5 when higher strengths are required, with a sacrifice in fluidity.

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Product Showcase

Kirksite is a moderate strength zinc-base alloy that was developed primarily as a forming tool alloy. Dies cast from Kirksite provide low-cost tooling because the alloy can be accurately cast, requiring a minimum of finishing. In addition, Kirksite has been used as a general purpose casting alloy for non-stressed components. Typical uses for Kirksite alloys are: Press dies and punches for sheet metal forming. Molds for ceramics and rubber. Injection molding and compression molding dies. Tube bending dies.

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Mold Base (Kirksite) Alloys

View process videos for other tooling solutions Product Showcase Rapid prototyping and bridge-to-production of plastic parts using cast moulds. Cast kirksite cavities from SLA models can provide excellent rapid tools for prototype and bridge to production injection moulded parts. Parts can be moulded in two to three weeks in any thermoplastic production resin, This technology has been around for many years, but with the growth of stereolithography and the need for rapid turnaround of plastic parts in the correct production material, the kirksite approach has re-emerged. More complex parts can be made using handloads. Moulding tapers are important and are best incorporated in the master file.

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Kirksite Tooling at Experi-Metal

Meztigul The molds are then mounted into a traditional injection press of the appropriate tonnage and parts are run. For this reason, new materials based on epoxy kirksiite ceramic capable of withstanding harsh operating conditions have been developed. With increase in accuracy of RP techniques, numerous processes have been developed for producing tooling from RP masters. If correct, the next page will load with a graphic first — these can be used to check. By First-rate Mold Solution Co.

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