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Wax model manufacturing is a key process in investment casting production.The quality of wax model will have direct impact on investment castings.Below are the common defects of wax model in investment casting process:
Oxidation slag distributes on the casting surface,in the stuffy corner parts of the mold. Fracture ashen white or yellow, It could be found by X-ray or during machining,can also be found in the alkaline cleaning, acid pickling or anodized.
The quality of investment castings raw material will have a great effect on investment casting quality.It is uncertain that choosing super material will improve production costs of investment castings.
Tongda foundry casts both aluminum impellers and steel impellers in China. Such cast impellers are widely used in lots of industries. Then, what's the difference between Aluminum Impeller and Steel Impeller?
Investment casting is mainly made up of mold making,wax pattern production,shell making and other processes.Wax pattern is the shape that wax injected into the cavity of mold.To obtain investment casting parts with high size accuracy and surface finish,wax pattern itself should have high size accuracy and surface finish.So it is very important to make high quality wax patterns.Now we would like to discuss the factors that affect the quality of wax patterns.
Tongda foundry has the ability and skills to deliver investment castings for oil and gas industry.We have been supplying quality investment castings to the oil and gas industry for more than 28 years.As these investment castings are used in high temperature and high working power,so they encounter hard working conditions(water,mud,crude,ect).By using investment casting technique,we could creat near net shape or net shape parts with high woring performance and wear resistance.From quick sample inspection,large volume production,we could all meet your schedule needs on time.
