Scientific

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Verification of error compensation for rapid investment casting

Through the actual observation of the casting, it is found that the appearance of the diffuser casting is complete, and the corresponding characteristic parts of the casting are measured. At the same time, the castings without dimensional error compensation and after dimensional error compensation are compared. Considering the actual...

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Design of gating system for rapid investment casting process

Mainly through the trial production of rapid investment casting process, including: gating system design; casting simulation pretreatment settings; numerical simulation results analysis; alloy casting trial production. Through the analysis of the trial production results, the qualified castings are obtained by the final improvement. Combined with the existing size error...

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Metallographic structure control of chilled cast iron camshaft

1.Technical requirements For the technical requirements of metallographic structure, most customers’ products are basically consistent with those recommended in technical conditions for camshaft of automobile engine. Fig. 1 is a schematic diagram of metallographic cutting of all cold shock cam. From the surface layer to the center of the...

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