Veining Prevention and the Application of a Special Anti-veining Coating

脉 纹缺陷防止及防脉纹专用涂料的应用

Eliminating Veining Defect in Pin Holes of Si-Mn Steel Crawler plate

消除硅锰钢履带板销孔 毛刺 的 试验 研究

Veining defects have been effectively prevented and eliminated by improvement on gating system especially by special additive to core sand and sinter coating on surface of sand core .

通过改进浇注系统，特别是采取在 进、 排气 道芯砂中添加特殊 抗 脉 纹添加剂及在砂芯表面 涂刷烧结型涂料等工艺，有效地预防和消除了 脉 纹缺陷。

Combining typical testing method and engineering testing method taking calorific intensity and thermo-plasticity as the index this paper analyzes the relationship between core 's high temperature performance and resist sand penetration and veining which gives the guide to the practical production .

本文采用经典试验法和工程试验法相结合，以砂芯的热强性和热塑性为指标，分析了砂芯高温性能与抗粘砂和 脉 纹的关系，并用于指导实际生产。

Deoxidation should be fully conducted during smelting process and the pouring temperature should be strictly controlled to eliminate some defects including gas hole and inadequate filling as well as veining .

熔炼时脱氧应充分，并严格控制浇注温度，以避免出现 毛刺、气孔、充型不良等缺陷。

Veining up mining hanging wall ore destroys the slope rock structure redistributes the body of stress of rock slope and affects the stability of the slope .

平 硐 追 脉开采挂帮矿破坏了边坡岩体结构，使边坡岩体内应力重新分布，影响了边坡的稳定性。

Highly developed stylolite seams by pressure solution and multi stages of calcite veining are widely distributed in the fault zone .

广泛发育的压溶缝合线与多阶段方解石 细 脉遍布构造带不同部位。

Formation and Control of Drilling Burrs Study on Veining Defect of Investment Castings Produced by Colloidal Silica Shell Process

钻削毛刺生成与控制的研究 （ 英文 ）硅溶胶型壳熔模铸件 毛刺缺陷的研究

Shell cracking is the source of veining defects . Crack Analysis on Spiral Case Structure of Largescale Turbine Units with Different Embedded Manners

毛刺 的 出现 与 制 壳 过程 中 面 层型壳的开裂有关。大型机组蜗壳不同埋设方式的结构开裂分析

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。

The Measures To Prevent Veining Defects from Iron Casting Produced by Resin Sand Molds or Cores

树脂砂型（芯）铸件 脉 纹缺陷的防止

Mechanical Veining for Improving Surface Quality of Aluminium Shaped Materials

提高铝型材表面质量的机械 扫 纹 法