介绍了铸件内腔表面因树脂砂芯引起的飞翅缺陷，并对其名称和形成机理进行了探讨。
The finning defects on inner surfaces of castings caused by resin sand cores were introduced, their names and definitions were discussed.
呋喃树脂砂用于铝合金铸造时，特别是对于一些大型、薄壁铝合金铸件，型芯的溃散性较差。
Furan resin sand is poor in collapsibility when it is used for al alloy casting, specially for some large, thin section castings.
介绍了我公司在应用碱性酚醛树脂砂工艺生产汽轮发电机铝合金铸件导风环的过程中，对制芯工艺进行的改进。
Improvement of core-making technology was conducted by adopting basic phenolic resin sand for aluminum alloy air guide ring in the turbogenerator produced by Harbin Rlectric Machine Co.
铸件生产中树脂砂工艺对于提高产品质量有着重要意义。
It is very important of resin-sand technology applied in casting for increasing the quality of the cast.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
本实用新型涉及树脂砂造型铸件快速冷却装置，也适用于其它铸件造型方法的冷却。
The utility model relates to a fast-cooling device for resin bonded sand molding casting, which also can be applied to the cooling of other casting molding methods.
采用金属型、呋喃树脂砂、石墨砂等复合铸型，成功生产了大型、薄壁、复杂铝合金铸件。
By adopting the compound mold of die mold, furan resin sand and graphite sand, the heavy duty thin wall complex Al-alloy castings have been successfully produced.
冷芯盒树脂砂进入湿型砂系统会使湿型砂性能和铸件表面质量下降。
Properties of the green sand and the surface quality of the casting may be decreased due to the resin sand of cold box cores entering the green sand system.
冷芯盒树脂砂进入湿型砂系统会使湿型砂性能和铸件表面质量下降。
Properties of the green sand and the surface quality of the casting may be decreased due to the resin sand of cold box cores entering the green sand system.
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