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高压造型紧实的湿型砂的扫描
高压造型紧实的湿型砂的扫描电镜图显示砂粒破裂的开始和延续,并作出一定量的评价。通过临界紧实压力的作用,达到临界的紧实密度,在这时第一批颗粒开始破裂。影响这个过程的最重要的一些因素是砂粒的棱角锐度、硬度和铸型尺寸。必须知道并且不准超过该造型机的临界紧实压力。描述了它们的相互关系。
Scanning electron microscopy (SEM) of compact green sand with high pressure moulding shows the initiation and continuation of sand grain rupture, and makes a quantitative evaluation. Through the action of critical compaction pressure, the critical compaction density is reached, at which time the first batch of particles begin to rupture. Some of the most important factors affecting this process are the sharpness, hardness and die size of sand grains. The critical compaction pressure of the moulding machine must be known and must not exceed. The relationship between them is described.
1975年葡萄牙42届国际铸造会议上西德的交流论文。引言在现代高压造型机上紧实湿型砂的优点胜过不利条件。因而高压造型机正在变得日益重要和普遍。优点:铸型比较坚实;铸件的尺寸精度比较好,轮廓清晰,表面质量高;对使用无箱造型具有较大的潜力;生产率较高,,.声能降低造型机的噪音。
Ezhengqifa.89ix.com mojusugmj.37ix.com.cn mojugg.37ix.com.cnhulan.37ix.com.cn jueyuanjian.37ix.com.cnxingtai.71ix.cnxchange Paper between West Germany and Portugal at the 42nd International Foundry Conference in 1975. Introduction The advantages of compacting green sand on modern high-pressure moulding machine outweigh the disadvantages. Therefore, high-pressure moulding machine is becoming increasingly important and common. Advantages: Solid casting; good dimensional accuracy, clear outline and high surface quality of castings; great potential for the use of box-less modeling; high productivity,. sound energy to reduce the noise of the moulding machine.
高压造型紧实的湿型砂的扫描电镜图显示砂粒破裂的开始和延续,并作出一定量的评价。通过临界紧实压力的作用,达到临界的紧实密度,在这时第一批颗粒开始破裂。地变电阻柜 精密铸造 中频电炉设备 保定断桥铝门窗 保定养老院 镜子批发 启闭机影响这个过程的最重要的一些因素是砂粒的棱角锐度、硬度和铸型尺寸。必须知道并且不准超过该造型机的临界紧实压力。描述了它们的相互关系。
Scanning electron microscopy (SEM) of compact green sand with high pressure moulding shows the initiation and continuation of sand grain rupture, and makes a quantitative evaluation. Through the action of critical compaction pressure, the critical compaction density is reached, at which time the first batch of particles begin to rupture. Some of the most important factors affecting this process are the sharpness, hardness and die size of sand grains. The critical compaction pressure of the moulding machine must be known and must not exceed. The relationship between them is described.

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