Die-casting Mold Design Of Aluminum Alloy Bracket And Process Optimization Simulation

With the rapid development of the global industrial, energy and dwindlingresources, metal processing industry also shift toward the direction of low-power,high utilization, high productivity. Because aluminum alloy has the advantages oflight weight, high strength, good corrosion resistance, high recycling rates, sogradually replace steel as the main material in the industrial production. Traditionalmetal aluminum casting method does not meet the needs of large-scale productionbecause of its material utilization is low, the production efficiency is poor. Withhigh accuracy, surface quality and production efficiency advantages of pressurecasting occupy an increasingly important position in the aluminum casting industry.In this paper, an automotive oil pump aluminum bracket as the object of study,we analyzed the parts from the shape of the product characteristics, dimensionalaccuracy and structural characteristics. Developed a die-casting process parametersbased on existing equipment DCC-400die-casting machine. According to thecharacteristics of shape castings, casting gating system UG NX software design, theuse of three equal width pouring gate and gating system model is imported to thecasting simulation software ProCAST, pouring temperature, injection speed, moldtemperature as the parameters of the inspection, casting shrinkage rate as a basisfor evaluation, orthogonal experiment, the simulation results for process analysis toselect the optimal process. The analysis of the results obtained when the injectionspeed is1.33m/s, mold temperature is250°C, and the pouring temperature is650°C, the casting has the best quality. Range analysis results show that in thiscase, the impact on the quality of the part is injection speed.After determine the process parameters, we began to mold design, choose themiddle of the side of the casting parting surface; calculated according to theselected die-casting equipment forming part size, and molding and structuralcomponents of the design; taking into account the casting hole features, designangle pin side core-pulling mechanism; analysis of the demand for castingslaunched to determine the ten diameter of f8mm putting ejection mechanism; describes the choice of materials and technical requirements of the die-castingmachine, and the mold assembly and process simulation.