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The connection mechanism of new developed bimetallic centrifugal cast roll with three-layer structure has been studied. 对新开发的双金属离心铸造三层结构碾辊的复合机理进行了研究。
The properranges of C, Si contents in the centrifugal cast ductile iron pipe were determined when the ferrite amount is over 80%. 确定了离心铸造铸态球铁管中铁素体含量超过80%25时，铁管化学成分中碳、硅含量的合适范围。
Moreover, with the works of the Lorentz force, the evenly solidified structure can be obtained in the electromagnetic centrifugal cast. 而洛伦兹力可以抑制熔体的流动和波动，提高溶质离子在基体中的固溶度，另外，利用洛伦兹力还可以在电磁离心铸造中获得均匀的凝固组织。
To introduce the centrifugal cast roll production process expert system which has combined the industrial computer with the long experience of roll experts. 介绍用工业控制机和轧辊专家长期积累的经验实现的离心浇铸轧辊生产工艺专家系统。
The relationships between C, Si contents and ferrite amount in centrifugal cast ductile iron pipe produced with resin-bonded sand mould are briefly presented. 简述了在树脂砂型离心铸造球铁管时，管中碳、硅含量与铸态铁素体含量问的关系；
HK-40 centrifugal cast furnace pipe (Chinese trademark is 4Cr25Ni20) has been widely applied in oil refining and petrochemical units, but its welding is a difficult point in petrochemical project construction. HK -4 0离心浇铸炉管 (我国牌号为 4Cr2 5Ni2 0 )已经广泛用于炼油和石化装置中 ,该炉管的焊接是石化工程施工中的一个难点。
The technical parameters and production process of the combine roller made from high Ni Cr cast iron by centrifugal casting were intruduced in detail. 详细介绍了离心铸造高镍铬铸铁复合辊套内外层金属铸造工艺参数及整个铸造生产过程。
The high-Cr cast iron which is modified by 0.8% V-Fe is obtained by centrifugal casting and high Cr iron microstructure and performance are discussed. 采用0.;8%25钒铁变质后的高铬铸铁;进行电磁离心铸造浇铸;研究高铬铸铁组织和力学性能变化。
Double-ended pouring technology is used to compound high-chromium resistant cast iron in internal-wall of steel pipe with centrifugal casting. 介绍了托轮式离心铸造机双头浇注技术在钢管内壁复合高铬耐磨铸铁复合管的生产工艺。
The improved-type bainite ductile cast iron roll was developed by centrifugal casting and low temperature tempering technology and adjustment alloy composition. 采用离心铸造+低温回火工艺并通过合金成分调整和工艺控制,生产出"改进型"贝氏体球铁轧辊。
Centrifugal casting, compact structure, free from pinhole porosity and slag, smooth surface and even wall thickness. 高速离心铸造,组织致密,无砂眼、夹渣,表面光滑、壁厚均匀。
Filled MC Nylon is a centrifugal casting of MC Nylon with some lubricants, such as BN, MoS2 and graphite. 填充MC尼龙是以MC尼龙为基体,添加氮化硼、二硫化钼、石墨等固体润滑剂后离心浇铸而成。
AbstractThe centrifugal casting process of high aluminum-zinc alloys was investigated through products. 结合产品试验了高铝锌基合金的离心铸造工艺。
The effects of mischmetal addition on the microstructure in centrifugal casting lead brinze hare been studied. 研究了混合稀土对离心铸造铅青铜组织的影响。
The two motor driving rollers of the centrifugal casting machine must keep synchronous and keep load balance. 离心浇铸机两驱动辊在运行过程中既要保持同步,又要保证两台电机的负荷平衡。
In the process of centrifugal casting, the stable overturn speedof the sector ladle is the main reason to influence the quality of casting pipes. 在离心铸管浇注过程中，扇形包翻转速度稳定与否是影响铸管成形质量的主要因素。
That volcano cast forth lots of lava and ashes. 那火山喷了出大量熔岩和灰烬。
The zonal porosity in centrifugal casting of high aluminum ZA alloy is described and its formation mechanism is analyzed. 介绍了高铝锌合金离心铸件带状缩松的形态特征，并对其形成机理进行了分析。
She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
Vertically centrifugal casting of tie-in has been introduced, which includes principia of design and technological coefficient. 摘要介绍了管接头铸件立式离心铸造工艺，其中包括设计原则和工艺参数。