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南通2W-500-50

2021-06-05 13:53:45
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南通2W-500-50
Detailed introduction:

网络优化资料:

Casting valve is the casting valve. Generally, the pressure grade of the casting valve is low (such as PN16, PN25, PN40, but there are also high pressures, which can reach 1500Lb, 2500Lb, etc.), and the caliber is mostly above DN50. Forged valves are forged and are generally used on high-grade pipelines with a small diameter, generally below DN50.


One, casting.


That is, the metal is smelted into a liquid that meets certain requirements, and then poured into a mold. After the DC solenoid valve is cooled and solidified, and cleaned, the process of obtaining a casting (part or blank) with a predetermined shape, size and performance. The basic technology of modern machinery manufacturing.


The second is the low cost of billets produced by castings.


For parts with complex shapes, especially complex inner cavities, replacing the solenoid valve can better reflect its economy, and at the same time, it has a wide range of adaptability and better comprehensive mechanical properties.


The third is the raw materials required for the production of castings.


There are many gold materials, woods, materials, shaped materials and equipment (such as metallurgical furnaces, sand machines, moulding machines, core machines, sand shakers, shots, iron plates, etc.), and they will generate dust, harmful gases and noise, which will cause damage to the environment. Pollution.


There are many types of castings.


According to the habit of styling, it is divided into:


A common sand casting, including three types: green sand, dry sand, and chemically hardened sand.


B Special casting, according to the modeling material, it can be divided into special casting with natural ore as the main modeling material (such as investment casting, mud casting, shell casting in the casting workshop, negative pressure casting, solid casting, ceramic casting, etc.) And special casting with metal as the main modeling material (such as metal mold casting, die casting, continuous casting, low pressure casting, centrifugal casting, etc.).


2W-500-50

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