CAST KIRKSITE TOOLING PDF

Because we embrace the technology of today and tomorrow! Kirksite tooling is just one process that we utilize to meet the needs of our valued customers. The vapor pressure of the zinc allows the material to be virtually immune to the gas porosity that occurs with other alloy products. This results in a shrinkage rate that is approximately half that of aluminum, which allows for precise cast mold accuracy and repeatability. The process for casting Kirksite begins with creating a master pattern that will compensate for shrinkage. Then a sand impression is taken from this master pattern to create the core and cavity set.

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Because we embrace the technology of today and tomorrow! Kirksite tooling is just one process that we utilize to meet the needs of our valued customers. The vapor pressure of the zinc allows the material to be virtually immune to the gas porosity that occurs with other alloy products. This results in a shrinkage rate that is approximately half that of aluminum, which allows for precise cast mold accuracy and repeatability.

The process for casting Kirksite begins with creating a master pattern that will compensate for shrinkage. Then a sand impression is taken from this master pattern to create the core and cavity set. After this, the liquid kirksite material is cast into the sand molds using the core and cavity patterns to create raw castings for the tools.

After the Kirksite is cast, the sand mold is broken away. The castings are then cleaned and based prior to getting CNC machined. After machining the castings are now considered tools and are press ready. We use this process to develop prototypes for clients in a wide variety of industries. To learn more about our capabilities, click here.

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Mold Base (Kirksite) Alloys

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.

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Product Showcase

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. Another main benefit is the ability to mould most materials.

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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. The supports are subsequently removed and the mould is polished in the direction of draw to facilitate part release. In most cases, toolinh will have an appearance very close to the production parts and many OEMs have used the parts to market their product ahead of full-scale production.

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