Die Casting Die for Thin Barrel with Flange using Dog-led Cam for Inside Core Pulling[J]. Special Casting & Nonferrous Alloys, 2010,30(11):1025-1026.DOI:
带法兰薄壁筒铸件的弯销内抽芯压铸模
摘要
铸件带有内侧凹时
其成形和抽芯是模具设计的难点
采用弯销内抽芯结构
可有效地解决。该模具为一模一件
一次分型
缝隙式浇口进料
弯销内抽芯
圆弧截面推杆推件。经实践后调整的参数:内浇道处金属液的流速为18m/s
压铸温度为670~720℃
铸件留模时间为12s
压射比压为30~50MPa。
Abstract
Inside concave formation and core-pulling are the difficult point in mould design of the castings with inside concave.The above problems can be effectively eliminated by adopting structure with dog-led cam for inside core-pulling.The mould is designed a mould to apart
in which once-parting and pouring by slit runner were used with dog-led cam for inside core-pulling and pulling part by arc-section push rod.The practical processing parameters of die castings are as follows:filling velocity of 18m/s
pouring at 670~720℃ and holding for 12s as well as injection specific pressure of 30~50MPa.