Proper decrease in pouring temperature and increase in shell mold temperature are helpful to preventing hot tear.
为避免产生热裂应适当降低浇注温度，提高型壳温度。
In this paper, the loose mixture with aluminum phosphate colloid as binder and metallurgical magnesia as hardening agent for shell mold was studied.
研究了以磷酸铝为粘结剂、煅烧冶金镁砂为硬化剂的壳型松散料。
A new kind of boron nitride based shell mold used for investment casting titanium alloys was fabricated and the reaction between it and Ti-Ni alloy was investigated.
研究了一种新型钛合金精密铸造用型壳——氮化硼基复合型壳及其与钛镍合金的界面反应和反应层的形成机制。
In large metal molds, it is now able to produce the plastic shell mold 48-inch TV, large capacity washing machine metal mold, and the bumper, the whole instrument panel mold.
在大型金属模具方面，现在已能生产48英寸电视的塑壳模具、大容量洗衣机的金属模具，以及汽车保险杠、整体仪表板等模具。
In high humidity circumstance, it was cautioned that shell mold should be dried before next coating layer should be brushed and drying time should be extended before shell mold dewaxed.
在高湿度环境下，应注意待型壳干燥后再涂挂下一层涂料，型壳脱蜡前须延长干燥时间。
In high humidity circumstance, it was cautioned that shell mold should be dried before next coating layer should be brushed and drying time should be extended before shell mold dewaxed.
在高湿度环境下，应注意待型壳干燥后再涂挂下一层涂料，型壳脱蜡前须延长干燥时间。
应用推荐