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          What is the difference between die casting and casting

          From:Changzhou HongHuiHe Machinery Manufacturing Co., Ltd.  Add Time:2018/7/20 13:15:37

          What should be considered when choosing the right casting process? Casting is an ancient manufacturing technology that can be traced back to 1838. The basic casting process has not changed much. Now the machine is more advanced. With the improvement of technology, there are many different ways to achieve the requirements.

          1. The process of die-casting:

          Simply put, when the die castings, molten metal is injected into a hardened steel mold cavity. When the metal solidifies, it is ejector from the tool and the process is repeated. This process varies according to the material you choose, including hot chamber and cold chamber die casting. The hardened steel mold can create 150 thousand die casting processes at any time to more than 1 million times before being repaired or replaced.

          Two. Melt casting process

          Investment casting, also known as lost wax casting, includes wax, wax, tree, slurry, wax, casting metal liquid and post-processing processes. Lost wax casting is made of wax, and the wax mold is to be made into parts. Then the wax mold is coated with mud. This is the clay mold. After drying, the inner wax mold is melted in hot water. The clay mold which melts the wax mold is removed and baked into a ceramic mold. Once roasted. In general, the casting die is left when the mold is made, and then the molten metal is poured into the pouring gate. After cooling, the required parts are made.

          Most of the die castings are made of non-ferrous metals such as zinc, aluminum and magnesium. Investment casting can be made of non-ferrous metal, including stainless steel. If you want to use a non-metallic material, the machining process provides comparable characteristics. However, if you want to use stainless steel or copper alloy, casting is a better choice.

          The comparison of the molding cycle time between the die casting and the casting:

          Casting and die-casting produce complex parts with great difference in cycle time. Traditional investment casting requires considerable manpower and time, and die casting is produced 3-4 times per minute, and more than 45 times per slide die casting. A die casting part can usually be created without manual completion of automation.

          Analysis of cost differences between die casting and casting:

          Cycle time determines 60% of your final cost. Therefore, it is not surprising that casting is usually more expensive than die casting. The components produced by the highly manual process are very similar to the die castings, but the cycle time is much longer.

          When casting in large volume, the castings are more cost-effective than investment casting. If you have only one or several parts of the casting required size or stainless steel, casting may be a lower cost option.

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