runner brick

The paper analyses the forming causes of blank crack and points out that higher core sand strength, bottom-casting single-layer runner and solid structure of sand core are main factors of affecting the blank casting quality.

分析了大斗毛坯产生裂纹的原因,并指出芯砂强度高、底注单层浇道、砂芯为实心结构等是影响大斗毛坯铸造质量的主要因素。

Combined with the design of injection molds and actual production,technical gists ofinjection molding design are introduced on the number of gates,flow pattern,gate position,weldline position and runner design.

结合注塑模设计和生产的实际,重点介绍了注塑模模流设计在浇口数目、流动形态、浇口定位、熔接线位置、浇道设计等方面的技术要领。

Improvement of Ingate Design for Large Plain Parts in Investment Castings;

精密铸件大平面上内浇道设置方法的改进

The number of horizontal runner was rednced and the number of single-mold products was increased.

对铸造永磁合金的传统模具进行改进,减少横浇道的数量,增加了单模的产品数量,使熔炼工序产品的成品率从原来的35%~40%提升到50%~65%,大大提高了生产效率。

The removal of the condensed material in runner of the traditional typical structure of point gate of injection moulding was difficult when the cavity bottom of main runner was deep and long.

针对常用手工取浇道凝料的点浇口注射模,如果型腔板上的主流道杯较深长,则会出现取浇道凝料较困难的问题。