What is the necessity of the proper benefit of the use temperature of stainless steel investment casting? The use temperature of stainless steel precision casting can effectively ensure that its melt will have good fluidity during the transfer process. The choice of stainless steel precision casting temperature should be based on the distance of the transfer, the cooling situation during the transfer process, the alloy, the specification, the flow rate, etc. factors to determine.

Possible problems of stainless steel investment casting

The mechanical properties of stainless steel precision casting are higher than those of cast iron in the process of use, but the performance of such materials will be worse. to be higher. In the production of stainless steel precision casting, the main disadvantage of its surface is pitting. If the product has such a phenomenon, it can only be scrapped in the process of use, which will increase our production cost and is not conducive to the resources of the product. of savings.

Process flow of stainless steel precision casting

Stainless steel precision casting has a certain technological process in the production process. During the production process, molds can be effectively made according to the different shapes of their products. Stainless steel precision casting can be effectively divided into upper and lower concave molds. Effective It is completed through comprehensive processes such as planing, milling, etching, turning, and EDM.

The size and pit shape of stainless steel precision casting is effectively consistent with the edge of the product. When using it, it is mainly because the wax mold is mainly used for industrial wax pressing, so its melting point is not high and its hardness is selected. It is not high, and the aluminum alloy material is relatively cheap and light in weight when used as a mold. Stainless steel precision casting needs to effectively trim the peripheral allowance of its wax mold during production. After effective deburring in use, multiple single wax molds are glued to the pre-prepared mold head. This mold head is also Industrial wax solid core models produced from wax models.

Stainless steel precision casting will effectively coat the multiple wax patterns on the fixed die head with industrial glue and spray a layer of fine sand evenly. smooth. After the stainless steel precision casting is sandblasted and air-dried naturally, industrial glue will continue to be applied to the surface of the wax mold during use, and then the second layer of sand will be effectively sprayed with a particle size larger than the previous layer. The sand is big and thick. After spraying the second layer of sand, let the wax mold air dry naturally at the set constant temperature.

After the second sandblasting and natural air-drying of stainless steel precision casting, the third sandblasting, the fourth sandblasting, and the fifth sandblasting are carried out by analogy. Then effectively adjust the number of sandblasting according to the size of its volume, surface requirements and self-weight. Generally, the number of sandblasting is 3-7 times.

Conclusion

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