sand core的例句大全

The reason back of sand cores were related to core-making equipment, core materials and core-making process.

砂芯脱壳的原因与制芯设备 、 制芯材料、制芯工艺有关.

Combination of Chinese Calligraphy with NiXing Earth Ware; Application of Far Infrared Heating Technology in Oven to Dry Unfired Pottery and Sand Core

从坭兴陶刻字看书法与陶瓷结合之路远红外加热技术在坭芯和砂芯烘干炉中的应用

the application of plc to electric control system for organic ester water glass self curing sand core production line

PLC在有机酯水玻璃自硬砂制芯生产线电气控制系统中的应用

DP 2 、 D 4 are mainly used for ramming sand core of small mould in foundry practice , whereas.

D4型气动捣固机,主要用于铸造行业捣固砂芯或小砂型.

To eliminate cracks in the casting, the hollow sand core is applied.

为消除铸件中出现的开裂现象, 采用中空型芯以增加铸型的退让性.

we adopt measures such as selection of core sand, strengthening exhaust property of sand core, control of pouring temperature and speed to prevent blowhole. meanwhile, reject ratio containing the blowhole is controlled within 1%.

通过正确选用芯砂，加强砂芯的排气，严格控制浇注温度、速度等工艺措施，使气孔缺陷得到有效控制，气孔废品率在1%以下。

Analysis is made on gas evolution changing pattern of furane bonded sand core material after vacuum hardening, on affection to compressive strength arid the microstructure after infrared drying.

分析研究真空硬化后的呋喃树脂砂芯材料发气性变化规律、红外烘干后对抗压强度的影响及其微观结构特点。

Theoretical Calculation on Adhesion Strength of Non occupying Coating to Sand Core

非占位涂料与砂芯附着强度的理论计算

technique of making sand core of water jacket for 462q engine cylinder block and design of its hot box

462Q气缸体水套砂芯制芯工艺及热芯盒设计

design of hot-box process mold for resin-sand core

树脂砂芯热芯盒模具设计

Application of Automatic Storage and Retrieval System in Sand Core Storage and Feeding System

自动化立体仓库在砂芯储存、输送系统中的应用

Auther also summarizes his designing experience, and introduces how to determine the way of making sand cores, parting type, dimension of box, core coat, and technology of store.

在工艺分析的时候，作者总结了自己的设计经验，介绍了如何确定砂芯的制造方法、分型形式、芯盒尺寸，以及砂芯的涂料，仓储的工艺参数。

Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.

研究认为，柴油机气缸盖进、排气道脉纹的产生主要是由硅砂高温发生相变膨胀导致砂芯开裂引起的。

Therefore, these mixed used Sand reclamation, in place of new sand core making a new topic.

因此，如何把这些混合旧砂再生，代替新砂制芯成为新的课题。

The experimental results show that a higher concentration of HPAM causes a larger IPV. The higher porosity of oily sand core causes a lower IPV and the oil flooding efficiency of HPAM will be higher.

油砂的孔隙率越高，不可及孔隙体积越小.表明HPAM在油砂中将有更高的驱油效率。

Digital Controlling Processing for Bottom Die of Sand Core of Cylinder Head

缸盖砂芯下模体的数控加工

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。

Application of Far Infrared Heating Technology in Oven to Dry Unfired Pottery and Sand Core

远红外加热技术在坭芯和砂芯烘干炉中的应用

by decreasing the grade of cast iron, using furan resin selfsetting sand as a substitute for clay sand to make the core and prolonging cooling time in mould, the cracking problem has been solved.

通过降低材料牌号，使用呋喃树脂自硬砂取代粘土制芯，延长铸件在型内冷却时间，使裂纹缺陷问题得到解决。

Especially in recent years, with the organic binder of the widely used, so that a large number of resin core sand mixed in the used clay sand, and take shape the clay ( mixed) used sand.

尤其是近年来，随着有机粘接剂的广泛应用，使粘土旧砂中混入了大量的树脂芯砂，形成粘土（混合）旧砂。