What is the process of stainless steel precision casting?

The process of stainless steel precision casting is as follows:

1. Modeling: Convert design drawings into physical models.

2. Melting: temperature is 1600 degrees Celsius.

3. Pouring: Pour the molten steel into the mold.

4. Vibration shell: Make the surface of the casting smoother.

5. Cutting: Cut the excess parts of the cast castings.

6. Rough grinding: Preliminary grinding of the cut castings.

7. Pickling: remove oxide scale, pickling temperature is 50 degrees Celsius - 60 degrees Celsius, time is 20 to 30 minutes.

8. Hanging polishing: Polishing the pickled castings.

9. Fine blasting: Sandblasting is used for places that are inconvenient to polish.

10. Solid solution: To obtain a single-phase austenite structure, the temperature is 1080 degrees Celsius and the time is greater than 30 seconds.

11. Passivation: Provide a protective film on the surface of the casting.

12. Final inspection and storage: Carry out quality inspection on the finished products and put them into storage after passing the test.