冷隔、裂纹是薄壳灰铸铁件常见缺陷。
Cold shuts and Cracks are the common defects found in thin-shell grey-iron castings.
属于这种类型的缺陷有裂纹、冷隔、末熔合等。
Crack, cold laps and lack of fusion belong to planar discontinuity.
模具温度控制过低会影响铝液的流动性并引起铸件冷隔。
Mould temperature control is too low will affect liquid aluminum liquidity and cause a casting cold-lap.
试制后得到的支架铸件表面光洁,未出现欠铸、冷隔等铸造缺陷。
It was found that surface of the castings is good and defects such as misrun or cold lap were not found.
指出铸锭中的冷隔形成的表层横向冷裂纹是最终形成裂纹缺陷的根本原因。
It was considered that transverse cold cracking on surface due to cold shuts in ingots was the root cause of the crack defects.
筋板、凸台部分或薄壁处为防止冷隔,要提高铝液流动性。模温应相对提高。
The number of stiffened plate, convex platform part or to prevent cold-lap thin-walled place, must improve liquid aluminum liquidity. Mould temperature should be relative improve.
提出了解决生产中易出现冷隔的顶部面积突然扩大的薄壁盖体类铸件的二种工艺途径。
These approaches were verified by some xperiments. In addition, two processes are introduced to solve the problem occurring in production, of a sudden enlargement upon the top area of a cold lap in …
通过该工艺生产的相机镜座等铸件消除了铸件表面冷隔、皱褶等缺陷,提高了铸件质量,满足了技术条件要求。
The defects of castings such as camera base have been eliminated through the process. The quality of the castings has been promoted. And it also satisfied the specification of the technical provision.
模拟结果表明,该浇注系统填充过程平稳,温度场分布均匀,所得压铸件气体夹杂和冷隔缺陷少,整体质量较高。
Simulated results show that obtained parts has few defects, such as inclusion and cold shut due to smooth mold filling and uniform distribution of temperature field.
模拟结果表明,该浇注系统填充过程平稳,温度场分布均匀,所得压铸件气体夹杂和冷隔缺陷少,整体质量较高。
Simulation results show a smooth filling, uniform temperature distribution and few flaws such as gas inclusion and cold shut. A casting with a good quality was obtained.
实际生产表明,改进后的内浇道形成了较理想的流态,使模具温度分布均匀,同时消除了铸件充型远端的冷隔缺陷。
The production verifies that the desirable filling can be formed in the optimized ingate, which plays the uniform temperature distribution in the die and eliminates the cold shut in fi...
采用金属型立式浇铸,严格控制铸造工艺参数(模具温度、浇注温度、浇注速度),以避免气孔、缩松、冷隔等缺陷的产生。
By using metal mold casting, we can control mold temperature, infusing temperature, infusing speed to avoid defects of pore, cold partition, shrink and loose.
提出了在恰当位置设置溢流槽和增大内浇口厚度等改进措施,从而有效降低了铸件冷隔、流痕、夹渣等缺陷的产生,提高了压铸件表面质量。
The position of overflow and thicker inner gate was optimized to reduce the probabilities of cold shut, flow marks and slag. Furthermore, the surface quality of the die casting improves.
人们应该使住房隔冷以保存能量。
探讨了低温送风空调系统中风管保冷与隔汽层的设计要求及设计中的注意事项,并详细论述了低温风管保冷层施工中应注意的问题。
Discusses design requirements and some important points of duct insulation and vapour barrier in cold air distribution systems, and presents in details the concerns in construction of duct insulation.
高品质的保温节能材料,是隔冷、隔热防结露的克星,热传导系数低并且保持稳定,对任何热介质起隔绝效果;
It is a high quality material for warm-keeping and energy-saving, which is the killer of dew forming and the transmission of cold and heat .
高品质的保温节能材料,是隔冷、隔热防结露的克星,热传导系数低并且保持稳定,对任何热介质起隔绝效果;
It is a high quality material for warm-keeping and energy-saving, which is the killer of dew forming and the transmission of cold and heat .
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