resin bonded sand

Application of the VRH Process in Water-soluble Polyacrylic Resin Bonded Sand

VRH法在聚丙烯酸钠树脂砂上的应用

The factors affecting the compacting in negative pressure sand filling moulding and in core making for resin-bonded sand have been studied.

研究了影响树脂砂负压填砂造型和制芯紧实的因素。

The curves of heating temperature vs the loss of ignition ( LOI) of some kinds of used resin bonded sand are shown by laboratory testing the LOI under given heating temperature and time.

通过在实验室条件下对树脂旧砂在一定加热温度、加热时间下燃烧减量的测试，建立了几种树脂旧砂加热温度和燃烧减量之间的关系曲线；

Problems of selection of raw materials and layout of equipment and process bewared in design of resin-bonded sand shops are introduced and rationalization proposal set forth.

介绍了树脂砂车间工艺设计中选择原材料、设备和工艺布局时应注意的问题，并提出了一些合理化建议。