EPC 用鋳枠内における砂充てん性に及ぼす円運動の影響

抄録

  The mode of vibration applied to the Expendable Pattern Casting process consists of various cases. On the other hand, from the viewpoint of vibro transportation, rotary motion is very useful for the sand filling in E. P. C. process. For the purpose of ascertaining the usefulness, this experiment made clear trajectories of different vibration at various parts of flask and also investigated relationship between vibration character of PS pattern inserted in sand during vibration and the flow rate (the flow amount) of sand to horizontal hole. From the result, it would be suggested that rotary motion was found to be more useful for filling of sand than vertical motion. And in the case of rotary motion the sand particle bed was effectively given vibration to some extent of vibration intensity and then the flow amount was maximum.