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根据管接头零件铸件结构特点,在对其成形工艺分析的基础上,结合压铸设备型号及技术参数,设计了压铸模。模具分型面选择在纵向最大截面处,压铸件侧孔需侧抽芯距离过大,选择对拼式侧型芯斜导柱双向抽芯结构,浇注系统选用环形浇口,避免了金属液正面冲击型芯,充填型腔更加平稳。推出机构设置在环形浇口及溢流槽凝料位置,提高了压铸件外表面质量。
According to the structural features of the fittings of the pipe joint, based on the analysis of the forming process, the die-casting mold was designed according to the die-casting equipment model and technical parameters. Select the mold parting surface at the maximum longitudinal cross-section, die-casting side of the need to side of the side core pulling distance is too large, choose to spell-side core oblique guide column bi-directional core structure, pouring system ring gate to avoid the front of the liquid metal Impact core, filling cavity more stable. The introduction of agencies set in the annular gate and overflow chute position, improve the quality of the outer surface of die-castings.