V Method Flask/Foundry Casting for Factory

**Vacuum Process Molding (V-Process):** The V-process is an advanced sand casting technique that uses vacuum pressure to create high-quality molds. The process begins by filling the flask with dry sand (without any binder or adhesive), and both sides of the flask are covered with a plastic film. The air inside the system is then evacuated, causing the sand to lose its mobility and form a solid mold under controlled vacuum conditions. **Key Steps in the V-Process:** 1. **Pattern and Film Heating** - Fix the pattern on the pattern carrier and drill holes into it. - Heat the plastic film and cover it over the pattern. 2. **Film Forming and Coating Application** - Apply a thin layer of coating onto the formed film to improve surface quality. 3. **Flask Placement** - Keep the pattern carrier under negative pressure. - Place the flask on the pattern that has been covered with film and coating. 4. **Vibrating and Sand Filling** - Maintain the negative pressure on the pattern carrier. - Fill the flask with dry sand of the appropriate mesh size. - Vibrate the sand to increase its density and ensure uniformity. 5. **Covering Back Film** - Level the surface of the mold. - Cover the back of the flask with another plastic film. - Connect the flask to the vacuum system. 6. **Stripping** - Release the negative pressure on the pattern carrier, allowing the pattern to detach from the EVA film. - Remove the pattern, completing the molding process. 7. **Assembling Flask and Pouring** - Mold the upper and lower parts of the mold using the same procedure. - Assemble the two halves using dowel pins and secure them tightly. - Pour molten metal under vacuum conditions for improved quality. 8. **Shaking Out** - After the casting has cooled sufficiently, release the vacuum pressure in the flask. - The sand will fall away along with the casting under normal atmospheric pressure. - Waste materials such as plastics and iron slag are separated from the sand, which can then be reused after cooling. **Other Information:** We warmly welcome you to visit our company and look forward to a long-term cooperation with you. If you have any questions or need further assistance, please feel free to contact us directly. **Contact Details:** Sales: Lina Chen Phone: +86 13589308133 / +86-532-86239667 Website: www.qdkaijie.com Our team is dedicated to providing reliable, high-quality casting solutions tailored to your specific needs. Let us help you achieve precision and efficiency in your manufacturing process.

Black Oxide Wire Rope

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Jiangsu Juke Metal Products Co.,Ltd. , https://www.jsjukemetal.com