Precision Casting vs Sand Casting
Sand casting is a casting process working by creating the cavity for casting by sand, and the sand shell will produce a rough shape. Normally the tolerances of sand casting is CT8-9, and the surface finish is around Ra250. So for sand cast products, the rough surface will may well quire more machining operations than investment castings.
Precision casting creats desired shapes by a ceramic shell, and can produce much better surface finish product. We can meet a tight tolerance CT5-6 as precise as possible, thus to reduce net shape products and likely avoid further machining.
Precision Casting vs Machining
For some easy products with simple shape, we may chooice either precision casting or machining. Machining is the process that machining a part into final dimensions from bar directly. This will cause a large waste of raw material, which will imperceptibly add the production cost. Besides, if the quantity is large, the single production will longer the production time, which will delay the lead time.
Precision Casting makes a product to be costly in further machining. CFS foundry has both casting workshop as well as machining shop. We can supply machined precision castings in a best price, but allowing our customers to receive well performed products that can put into application directly.
Precision Casting vs Precision Forging
Precision forging is the metal forming process that press hot or cold metal bars into shapes directly. To withstand high pressure, there is a high requirement on the material of forging dies. Commonly used material of forging dies is tool die, whose cost is quite high. The high cost tooling cost makes precision forging process not competitive as precision casting. Also precision forging has a district control on the shapes of products.
By comparision, precision casting require less tooling cost, and has no limitation on the dimensions of products. This makes our company available for all metal products.
Precision Casting vs Metal Fabrication
Metal fabrication is the process by cutting and bending metal plates into different shapes and thickness, and welding them together to form a product. This will cost more larbour cost and production time.
Precision Casting can greatly reduce the production time by attaching multiple wax models to a gate or system.
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