The CAE was used to analyse and verify how much difference there is in product temperature between cooling pipes designed by general machining and cooling pipes modelled by a metal 3D printer (3D piping).
The peak maximum temperature values differed by about 10 °C, especially on the circular wide surface, with a difference in temperature distribution. (The cooling time was set to be the same for both).
The occurrence of temperature distribution not only lengthens the moulding cycle, but also affects warp deformation after the product is taken out of the mould. nested moulding using a 3D printer is certainly man-hour intensive, but considering the process after mass production, it may be more cost-effective to consider introducing it at an early stage.
▶ Dependence of moulding shrinkage on moulding conditions (use of orthogonal experiments)
▶ Differences in moulding shrinkage under different moulding conditions
▶ Metal 3D printers: application examples for mass production moulds
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