Author name: zhycasting

Casting pattern and core box for sand casting

zhycasting / February 16, 2020

The mold used to obtain the shape of the casting is called pattern, and the mold used to obtain the […]

casting core box, sand casting

Characteristics and problems of valve casting process

zhycasting / February 16, 2020

Casting features: 1.Casting has a wide range of adaptability, great flexibility, product requirements and various working conditions. It can manufacture

casting process, valve casting

Influence factors of die casting defects

zhycasting / February 15, 2020

Thinking of solving die casting defects Because the causes of each defect come from many different influencing factors, so in

casting defects, die casting

Overview of valve casting in China

zhycasting / February 15, 2020

Casting is the process of pouring liquid metal into a mold cavity which is suitable for the shape of the

casting China, valve casting

Product parts casting molding method

zhycasting / February 15, 2020

After the design of product parts, the reasonable molding and core making methods shall be determined according to the product

Sand box and mold plate for sand casting

zhycasting / February 15, 2020

Casting sand box When making sand mold, we need to use a frame without bottom, cover and around the sand

Prevention of graphite floatation defects in iron castings

zhycasting / February 14, 2020

Features: a layer of clear and dense black spots can be seen on the upper surface of the fracture surface

cast iron, casting defects

Review the structure of parts from the point of view of simplifying the casting process

zhycasting / February 14, 2020

1.Improve the structure of boss, flange and rib plate that hinder the lifting The boss (LAP), flange, rib plate, etc.

casting process

Assembly characteristics of sand casting process

zhycasting / February 14, 2020

Sand casting process equipment is the general name of molds and devices used in the process of molding, core making

sand casting process

The prevention method of spheroidization decline defect of cast iron

zhycasting / February 13, 2020

Features: in the castings poured by the same ladle, the early casting has good spheroidization, and the later casting has

News Scientific

Review the rationality of casting structure from the aspect of avoiding defects

zhycasting / February 13, 2020

The casting process of part structure usually refers to that the structure of the part itself should meet the requirements

casting defects

Sand casting process, advantages and disadvantages

zhycasting / February 13, 2020

Basic process of sand casting process a. Sand casting process includes manufacturing model and core, sand mixing, molding and core

sand casting process

The prevention method of the non-uniform hardness of the cast iron

zhycasting / February 12, 2020

Features: after the surface of the casting is processed, there are micro concave and convex, and some parts have “shiny”

How to prevent the defect of broken fast graphite in ductile iron casting

zhycasting / February 12, 2020

(1) The influence of chemical composition on carbon equivalent is the biggest. In heavy section ductile iron, carbon equivalent should

casting defects, ductile iron casting

Classification of sand casting process

zhycasting / February 12, 2020

Gravity casting Gravity casting refers to the process of injecting molten metal into the mold under the action of the

centrifugal casting, pressure casting, sand casting process

Prevention method of casting deformation defects of cast iron

zhycasting / February 11, 2020

Features: long castings are prone to deformation, such as machine bed, cylinder block and cylinder head of diesel engine. Due

cast iron, casting deformation

How to dehydrate the casting coating

zhycasting / February 11, 2020

Paint dewatering refers to the “shrinkage dewatering” of paint slurry, also known as “desizing”, in which a layer of water

Common casting methods are as follows

zhycasting / February 11, 2020

1.Sand casting: sand casting is a method of making sand mold with model and pouring in liquid metal after mixing

lost foam casting, sand casting

Common defects and prevention of metal mold casting

zhycasting / February 11, 2020

(1) Casting pinhole Measures to prevent pinholes: a. It is strictly prohibited to use polluted cast aluminum alloy materials, materials

casting defects, metal mold casting

Prevention methods of casting crack defects of cast iron

zhycasting / February 10, 2020

Features: the surface of the casting has straight or curved cracks. There are two kinds of cracks: hot crack and

cast iron, casting crack

Characteristics and remedy of segregation defects in sand casting

zhycasting / February 10, 2020

Defect characteristics and detection methods In the center and upper part of the thick part of the casting, there are

Causes and prevention of anti white defects in ductile iron casting

zhycasting / February 10, 2020

Anti whitemouth phenomenon On the section of iron castings, the opposite phenomenon of normal section appears. In the central part

casting defects, ductile iron casting

Brief introduction of casting and forming technology

zhycasting / February 10, 2020

Casting is the process of melting metal into a liquid that meets certain requirements and pouring it into the mold.

casting forming, casting technology

Sand casting is widely used

zhycasting / February 10, 2020

Sand casting is a kind of traditional casting technology which takes sand as the main molding material to make the

Prevention of sand sticking defects in cast iron

zhycasting / February 9, 2020

Features: the surface of the casting is bonded with a layer of molding material that is difficult to clean. There

cast iron, casting sand sticking

Floating defect of graphite in ductile iron casting

zhycasting / February 9, 2020

Graphite floating means that there are a large number of graphite balls on the upper surface of the casting, and

casting defects, ductile cast iron

What about casting coating without film

zhycasting / February 9, 2020

If the die is not hung, it means poor coating and hanging. The reasons for poor coating and hanging should

Engine casting cylinder block and head

zhycasting / February 9, 2020

With the rapid development of China’s automobile manufacturing industry, many high-end automobile brands have been launched almost at the same

cylinder block, cylinder head

Improvement measures for loose and under cast defects of regulating and sealing pieces

zhycasting / February 9, 2020

In the process, the asbestos is wrapped on the mold shell for treatment (as shown in Figure 5), that is,

Prevention methods of shrinkage cavity and porosity in cast iron

zhycasting / February 8, 2020

Features: in the thick section of the casting, hot spot or axis and other places of the final solidification, rough

cast iron, casting porosity, casting shrinkage