The Early Stage of The Sand Mold Casting
    Made model test 1. The new model by inspectors to confirm qualified rear can use. 2. The site using the model should be according to the frequency of use, respectively for periodic inspection and repair. 3. Check the drawings, process docume...

Sand Mold Casting Casting Inspection
    Casting inspection 1. New product castings to conduct first article inspection, qualified product model can continue to use. 2. Selective examination pouring conformity of the chemical composition of the product. 3. According to customers te...

Prestressing Effect On The Properties of
    Because of the new type of high strength aluminum and copper alloys have good mechanical properties, high tensile strength, and good plasticity, high temperature resistance and cutting workability, in the field of aerospace and civil enginee...

The Casting Technical Requirements
    A, material requirements.Mainly include hardness, tensile strength, elongation, impact toughness.Second, the dimensional accuracy, form and position accuracy.Different castings have different requirements, the use of different size and geome...

The Design of The Casting Process
    Before design, must understand the production task and requirements, control of factories and workshop production conditions, is also the basis for design.1. The casting part drawing must be clear and correct, has complete sizes and various...

The Usage of Aluminum Casting Products
    Pure aluminum is very soft, intensity is small, has the very good ductility, can be pulled into filaments and pressed into a foil, a large number of used in the production of wire, cable, radio industry packing and so on.It is about two thir...

Casting Operation Procedures
    1, clear channel, and all the casting of obstacles.2, check whether hot metal ladle drying, the bottom of the bag, bag ears, bag, the client is safe and reliable, rotational part is flexible.It is prohibited to use not drying of hot metal la...

Nonferrous Metal Smelting Wastewater Trea
    3, vulcanization method in which sulfur vulcanizing agent to generate insoluble in water. Using the reagent is NaHS, H2S, Na2S. In addition to heavy metal advantages are: low PH condition. The drawback is: to produce hydrogen sulfide seconda...

Nonferrous Metal Smelting Wastewater Trea
    Along with the advance of global industrial level, metal smelting has brought great changes to peoples life, and with the industry developed, which is associated with serious water pollution problems. Among them, non-ferrous metal smelting p...

The Advantages of Resin Sand Casting
    New type resin sand coating advantages: new foundry coating is based on traditional foundry coating is improved, the adjustment, can effectively prevent the high temperature liquid metal oxide, and casting and high temperature chemical react...

The Characteristics and Properties of Nod
    Ductile cast iron is spherical graphite is obtained by spheroidization and inoculation, effectively improve the mechanical properties of cast iron, especially improve the plasticity and toughness, and the strength is higher than carbon steel...

The Role of The Casting System
    Gating system is used to control the speed of the liquid metal filling mold and the time needed for full of mold;Smoothly into the mold, the metal liquid to avoid turbulence and washing of mold;Keeping slag and other inclusion into the mold...