For the solution of the quality problem of large slag pots

In the machinery industry, we all know that there are many types of machinery, so there are a variety of accessories used in large-scale mechanical equipment, which requires the quality and requirements of mechanical parts. In the process of casting large slag pot, steel casting manufacturers sometimes encounter the defects of cracks or sand holes on the surface of castings, and need to carry out follow-up treatment, which increases the workload of finishing.

Because customers have specific requirements for the quality of large slag pot, steel casting manufacturers will work hard on the quality of their products, such as the rough surface of steel castings:

1. The raw materials of core sand and moulding sand used by steel castings foundry factories are coarse in grain size.

2. The density of the sand mold used in the slag pot of the large slag pot is not uniform enough compared with the raw material density of the core, which directly affects the appearance quality of the large castings.

3. The quality of the coating used in the mold core is relatively poor, in which the thickness of the coating is not uniform enough and it is easy to fall off.

4. The gating system used by steel casting manufacturers requires too high height and temperature, and the pressure of metal hydrodynamic water is also relatively high.

5. The height of the upper box and pouring cup is too high, and the hydrostatic pressure of large slag pot is relatively high.

6. When steel casting manufacturers produce large slag pot, there are more clay or additives in the molding sand, which makes the thermal conductivity and fire resistance of the slag pot become very poor.

7. When opening the box, there is no time to drop sand, and a relatively solid hot bonded sand is formed directly, especially the thick steel castings similar to large slag pot and alloy castings with high melting point.

In fact, there are many factors that can affect the quality of large slag pot. The above are some of the more specific reasons for the rough surface of slag pots summarized by steel casting manufacturers for you. Therefore, steel castings foundry manufacturers no matter what kind of steel castings are produced, they will ensure the quality of steel castings of their customers, so if you have a demand, you can contact us directly!