{"id":6895,"date":"2022-10-18T03:26:25","date_gmt":"2022-10-18T03:26:25","guid":{"rendered":"https:\/\/www.hengkemetal.com\/?p=6895"},"modified":"2023-02-17T03:59:15","modified_gmt":"2023-02-17T03:59:15","slug":"casting-process","status":"publish","type":"post","link":"https:\/\/www.hengkemetal.com\/casting-process\/","title":{"rendered":"Investment Casting Process"},"content":{"rendered":"
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Our Stainless Steel Investment Casting Process<\/h1>\n<\/div>\n

1. Wax Model Making & Assembly<\/strong><\/p>\n

Once the mold is ready, inject wax material into the mold cavity, then take out the wax model from the mold after cooling. Repair some appearance defects of wax models, such as slot, wax injection nozzle, flow pattern, etc. After inspection wax models, weld them to the casting system one by one to form a assembly, which looks like a tree.<\/p>\n

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2. Shell Building<\/strong><\/p>\n

Shell making process is a whole silica sol process, namely dip the assembly into good colloidal silica coating, sprinkle with fire-resistant sand, dry and harden shell under certain temperature,thus to form dense refractory coating surface outside the surface of wax models, and then repeat the step 5-6, finally form a certain strength and refractoriness of silica sol shell.<\/p>\n

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3. Dewaxing<\/strong><\/p>\n

Dewaxing is a process in which the wax inside the shell is melted by high temperature steam and then drained out, resulting in a cavity that can be poured into the mold.<\/p>\n

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4. Pouring<\/strong><\/p>\n

Melt stainless steel ingots into liquid status under a certain high temperature, then pour the liquid into the shell and cool under room temperature. After solidification, knock out the blacks and clean sand.<\/p>\n

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5. Cutting,Grinding & Surface Finishing<\/strong><\/p>\n

Cut the stainless steel casting blanks from the assembly one by one, remove the sprue gate by grinding machine, and smooth the surface with various surface finishes, such as shot blasting, sandblasting, electropolishing, mirror polishing, etc.<\/p>\n

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6. Inspection<\/strong><\/p>\n

After finishing production, inspection is also an indispensable process before delivery. The inspection of stainless steel castings includes dimensional inspection, defects inspection, and material inspection. Only qualified products can be shipped to customers.<\/p>\n

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When to Use Stainless Steel Investment Casting<\/a><\/div>\n

You\u2019ll get the most significant advantage from using investment castings if your part:<\/p>\n