In core making with cold core box, the solvent content in the binding material has a greater influence on the sand core strength.
采用冷芯盒法制芯时，粘结剂中的溶剂含量对砂芯强度有较大影响。
Based on domestic materials used in the Phenolic Urethane Cold Box Process (PUCB), the relationship between core making technique and the properties of core was analyzed.
在立足于国产制芯原材料的基础上，研究了三乙胺冷芯盒工艺对砂芯性能的影响。
The investigation was carried out into the technological properties of microwave silicate sand, molding and core making, casting pouring, used sand reclamation and its properties.
研究了微波水玻璃砂的工艺性能、造型制芯、铸件浇注、旧砂再生及其再生砂性能。
Quartz sand core, which is made in accordance with a special core making technique of casting, is one of common materials used in Investment casting.
石英砂型芯是采用熔模精密铸造的常用材料，通过特定的制芯工艺制成的一种铸造用型芯。
The compensation current results in flux in the auxiliary core, making the flux of the main core zero, and thus reduces the error.
补偿电流在辅助铁芯中产生磁通，使主铁芯达到零磁通，从而减小误差。
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.
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.
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。
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