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Rust Prevention of Castings
Investment castings often require mid-term rust prevention. Rust prevention methods generally use rust prevention liquid treatment or oil seals. Castings must be cleaned before rust prevention. Casting cleaning The formula, temperature and use of commonly used cleaning l...Read more -
Welding Repair of Castings
Principle 1. Usually refers to castings that do not meet the acceptance technical conditions or order agreement, have casting defects but can be repaired. 2. The area and number of castings allowed for welding repair are specified. The defect type is usually specified in...Read more -
Design of Gating System at Foundry
The gating system is the channel in a sand mold that guides molten metal into the mold cavity. The success of the casting process depends on the properties of the metal, the characteristics of the mold, and the structure of the gating system. A well-designed gating syste...Read more -
Shelling and Surface Cleaning of Castings
Shelling and surface cleaning of castings Casting group shell cleaning Cooling of castings After the shell is poured, the cooling time of the casting in the mold is related to the material, shape, size and production conditions of the casting. Generally, for alloy castin...Read more -
Incomplete Annealing & Spheroidizing Annealing of Metal Castings
Incomplete annealing of Metal Castings Definition: Incomplete annealing is a heat treatment process for steel castings, which involves heating the steel to a temperature range between Ac1 and Ac3 (for hypoeutectoid steel) or Ac1 and Accm (for hypereutectoid steel), cooli...Read more -
Mold Assembly in Castings
Mold assembly includes core setting, installation of chillers, core supports, and venting facilities, as well as securing the mold after assembly. The mold assembly for stainless steel investment castings focuses on wax pattern assembly and shell making, omitting the tra...Read more -
Full Annealing for Metal Castings
Definition The heat treatment process of steel refers to the specific heating, insulation and cooling process parameters of steel during heat treatment, which are formulated according to the structural transformation law of steel during heating and cooling. Classificatio...Read more -
Comparison of Hydrostatic Pressure Testing and Pneumatic Pressure Testing
Due to different application areas and performance requirements, castings products of various materials may need to do pressure testing to evaluate their performance and safety under specific pressure conditions. Hydrostatic testing and pneumatic testing are common press...Read more -
Residual Stress in Castings
Residual stress in metal castings is a significant issue that can affect the performance and longevity of metal components. Predicting and managing these stresses is crucial for ensuring the quality and durability of the final product. Prediction of Residual Stres...Read more -
The Filling Ability of Molten Metal During Casting Process
The filling ability of molten metal, also known as fluidity, is a crucial factor in the casting process. It refers to the capability of molten metal to fill the mold cavity completely before solidification. Understanding and optimizing this property is essential for prod...Read more -
Straightening of Castings
Straightening of castings, also known as correction or rectification, is a crucial step in the manufacturing process to ensure that cast metal parts meet precise dimensional specifications and structural integrity. Methods of Straightening There are several metho...Read more -
Characteristics of Investment Casting
In metal processing and manufacturing, investment casting has become one of the preferred processes for the production of high-precision and complex structure castings with its unique advantages. This ancient and constantly innovative technology has greatly promoted the ...Read more
