Global Casting News

  • Deformation is a common defects on the steel castings. Then, how to reshape the deformation of steel castings?There're mainly two methods to reshape the deformation of steel castings during our investment casting process. One is cold shaping. The other one is hot shaping.

    2022-05-20

  • Water glass casting is one kind of the investment casting process, which is seldomly used in other countries. But is widely used in Chinese foundries for more than 50 years. Lot of spare parts for machine building or construction projects are made in such casting process. Water glass casting factories takes up more than 80% of all the investment casting factories.

    2022-05-18

  • Tongda foundry is a casting factory mainly custon investment castings for customers all over the world.We are a top investment casting foundry located in Ningbo,China.Our management idea is to help our customers to buy cheap investment castings from China on the basis of good quality.Today we would like to talk about how to custom investment castings from our foundry.

    2022-05-17

  • Sand blasting and matter finishing are all widely used surface treatment processes for investment castings. They will be applied according to different requirements.

    2022-05-16

  • Tongda foundry casts and machines lots of Conveyor gears by investment casting process in China. Lots of gears used to build conveyors. They works as rotating components to support the moving of conveyors. 

    2022-05-13

  • To meet certain properties of investment castings, the products will be heat treated. In our casting factory, usually used heat treatment processes are hardening, tempering, annealing, normalizing, etc.

    2022-05-12

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