Investment Casting Services

We are professional manufacturer in Ningbo, China, where is famous for casting parts as a production Zone. We have been offer precision Investment casting services to foreign customer for many years and enjoy good business relation with our customer.

Investment casting process

Investment casting, also known as lost wax casting, including wax pressure, wax repair, group tree, dip slurry, wax melting, casting metal liquid and post-processing process. Lost wax casting is made of wax to cast parts with wax, wax and then coated with mud, which is mud. Mud dry, add hot water in internal wax melting. The melting end clay mold wax removal and roasting into ceramic mold. Roast at once. When the general mold is made, the sprue is left, and then molten metal is poured from the sprue. After cooling, the required parts are made.

Investment casting requires a little or no addition cutting, also known as the lost wax casting in the past, the parts made by investment castings are accuracy in dimensional and surface quality are better than other casting method. In addition, it can be used for some high complexity, not easy processing casting parts.

Lost Wax Investment Casting Advantage

There are many advantage for you to choose our investment castings services

Lost Wax Investment Castings Design Advantages

Lost wax casting provides greater design flexibility
Lost wax investment castings provides greater detail
Near net shape
Greater alloy selection to enhance part performance
Surface finishes 120 to 150 RMS
Close tolerances ±.005 inch per inch
Lost wax investment casting results in weight reduction

Lost Wax Investment Castings Cost Advantages

Lost wax casting provides near net shape lowers material usage
Reduce material costs
Lost wax investment castings reduces expensive machining operations
Eliminate expensive fabrications and weldments
Low initial tooling costs
Economic order quantities ranging from Prototype quantities to Long Production Runs

Investment casting Quality

Quality Control Policy

CMC is committed to provide high quality components with competitive price. Each part will be strickly machined to the print.
CMC is committed continually improves the effectiveness of the quality management system (QMS) and sets quality objectives and continuous improvement plans.
CMC is committed introducing all staff to its quality policy and quality systems,to familiarize themselves with the QMS and strive to continue to improve upon the quality, capability and work environment.

Material Supply

1.To be sure material specification and size correct.

2.To be sure material chemical composition correct, material certification must be provided in each material purchasing lot.

Investment Casting Production Method

At present, the main casting methods are water glass and silica sol. Because the products of silica sol casting are more precise, the surface is more delicate, and it is more in line with environmental protection requirements. Most of all products are produced by silica sol casting.

Only some products with low requirements and low prices are made of water glass

investment casting