發(fā)布時(shí)間：2018-12-18 01:37

【摘要】：以3D-Kagome點(diǎn)陣夾芯板為研究對(duì)象,采用Anycasting軟件對(duì)A356合金點(diǎn)陣夾芯板的低壓熔模鑄造過(guò)程進(jìn)行數(shù)值模擬,研究了澆注系統(tǒng)及主要的工藝參數(shù)對(duì)A356合金點(diǎn)陣夾芯板成形的影響,并在此基礎(chǔ)上進(jìn)行了工藝優(yōu)化。結(jié)果表明,隨著澆注溫度提高,金屬液的充型能力增加,缺陷減少,但當(dāng)溫度超過(guò)770℃時(shí),縮松、縮孔缺陷有增加的趨勢(shì)。通過(guò)模擬計(jì)算,確定了點(diǎn)陣夾芯板最佳澆注工藝:澆注溫度為770℃,型殼預(yù)熱溫度為200℃,充型速度為40mm/s,并將模擬試驗(yàn)結(jié)果進(jìn)行試驗(yàn)驗(yàn)證,表明該工藝切實(shí)可行。
[Abstract]:The low pressure investment casting process of A356 alloy lattice sandwich panel was numerically simulated by Anycasting software. The influence of pouring system and main process parameters on the forming of A356 alloy lattice sandwich plate was studied. On this basis, the process was optimized. The results show that with the increase of pouring temperature, the filling capacity of molten metal increases and the defects decrease, but when the temperature exceeds 770 鈩，

本文編號(hào)：2385099