Lots of investment castings made in fly foundry require for lettering on. Then, what types of lettering on investment castings required in Tongda? We have a brief talk here.

Excavator investment castings made in China were delivered into markets all around the world.Excavator, also called 'excavating machinery', is a kind of machinery used for excavating, loading and transporting the material onto stockyard. Most components of the excavator are made by investment castin......

ongda precision casting focuses on the techniques of silica sol, water glass，shell mould and lost-foam castings. The materials we are dealing with are stainless steel, carbon steel, alloy steel, ductile iron, grey iron and so on.(China sand casting)

Normalizing is the normally used heat treating process for steel investment castings. After normalizing, the steel investment castings are with better mechanical properties. To control the steel investment castings with a good mechanical property, there're several announcements on normalizing. 

When designing the mold structure of investment castings,we should try to make the structure impact and the operation should be very convenient.Meanwhile,also should ensure mold parts have enough strength and stiffness.In the allowed conditions of mold structure,the surface corner of mold parts shou......

Casting, also called pouring, is the most important process during steel castings manufacturing. If this process is not properly managed, the scrap rate of the steel castings will be very high. Thus, during steel casting production process, our investment casting factory builds strict requirements a......