Description:
<p>In the gravity die casting process, cooling directly affects the unit cost and microstructure quality of casting</p><p>products. In the conventional manufacturing methods, cooling channels in gravity casting molds are usually</p><p>produced linearly in circular profiles. When cooling is not conformal, molding defects such as hot spots and</p><p>distortions form in the products. This study investigated the effects of cooling channels on the casting steps and</p><p>final properties of the products in standard and conformal cooling gravity die casting molds. Numerical analysis</p><p>results were compared with the experimental data and then were verified. The pressure losses in cooling</p><p>channels, the times for molds to reach the required temperature and the cycle times were all measured. The</p><p>pressure losses in standard and conformal cooling channels were measured at 5250 Pa and 12100 Pa, respectively.</p><p>In addition, a more homogeneous mold surface temperature distribution was achieved in the conformal</p><p>cooling mold, as well as a 28% shorter cycle time. The average particle size of the parts cast with conformal</p><p>molds was 13.5% smaller than those cast with standard molds. Finally, the mechanical properties of the parts</p><p>cast with conformal cooling channel molds were found to be better than those cast with standard channel molds.</p>