On the basis of analyzing pressing parts processing characters, die-casting die parting surface is defined, die-casting die working principle is stated.
在分析铸件工艺性的基础上，确定了模具分型面，论述了模具工作原理。
Parting surface was designed in terms of the shape, dimension of the parts and requirements of gating system and die-released.
根据压铸件的形状、尺寸，以及浇注系统和脱模等要求，设计分型面。
The key design points of die for direct squeezing casting and the die with two-parting surface were introduced.
给出了直接式挤压铸造模具和双分型面挤压铸造模具设计技术要点；
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