Copper Casting Regular Quality Requiremen
    1, casting is not allowed to have a crack, cold shut, misrun and penetrating defects.2, the casting of machining surface, the oxide inclusions is allowed, the depth shall not exceed the specified wall thickness tolerance of deviation, the ar...

The Characteristics of The Cast Steel
    Cast steel used for pouring casting of steel, is a kind of casting alloy. The cast steel is mainly used in the manufacture of some complicated shape, difficult to forging or cutting shape and required high strength and plastic parts. Cast st...

Casting Technology Introduction
    Casting production process is the case in general can be divided into roughly wax injection, shell making, casting and post-processing, and inspection.Wax including 1. The pressure (pressure wax, wax, group tree) :Pressure wax - using wax in...

The Trend of The Development of The Green
    Involved in the current of sand mold casting method, adopting adhesive dry sand molding of epc and V method casting, using a binder of sodium silicate sand mold casting is most likely to realize green casting production process. No binder ep...

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...