Production status and problems of sand casting impeller
Technical requirements for impeller production (1) The surface of the casting shall be smooth and free from defects such as […]
Technical requirements for impeller production (1) The surface of the casting shall be smooth and free from defects such as […]
The casting blank of automobile engine cylinder head is produced by sand gravity casting. ZL105 aluminum alloy is selected as
Lost foam casting and sand mold casting are two major processes in the foundry industry. They have both advantages and
In power station, petrochemical industry, metallurgy, ship industry and equipment manufacturing industry, there are large-scale bearing pedestal applications, such as
1 Rapid investment casting Investment casting, also known as “lost wax casting”, has a long history in China. It is
With the introduction of a large number of social cars, the demand for this kind of consumption parts of the
1 Advantages of lost foam casting (1) In the casting process, there is no need to lower the core, and
From the air pollution prevention and control law issued by the State Council and the Ministry of environmental protection, we
Sand casting is a casting method in which the metal liquid fills the mold cavity under the action of gravity.
In order to draw the casting process diagram, the following process parameters must be selected after the casting scheme is
In the process of solidification and cooling of sand-clad iron mold casting for pump valve castings, there are many cores
The choice of parting surface is also one of the key factors for the casting process. If the casting is
The production practice of iron mold sand covered casting pump valve castings shows that the iron mold sand covered casting
Pump valve is a kind of equipment basic component with large quantity, wide range and various varieties, which is widely
The first step of casting production is to determine the casting process plan and draw the casting process diagram according
Classification of moulding sand: According to different binders, molding sand can be divided into: (1) Clay sand (2) water glass
1 Introduction to rapid prototyping manufacturing technology Rapid prototyping technology is a kind of technology that appeared and rose in
The development of aerospace industry is inseparable from the support of the casting industry. Some large aircrafts often need to
Counter gravity casting has very high requirements for molding, core making technology and sand fluidity. (1) Sufficient strength and rigidity:
In order to eliminate the shortcomings of sand casting, improve the quality of die casting parts and expand the application
The defect analysis of nodular iron crankshaft in the actual production process can be divided into many defects, such as
In recent years, in order to pursue the reasonable structure and lightweight of parts and components, the parts originally composed
Crankshaft is one of the most important components of automobile engine. For automobile crankshaft, its main function is to realize
The traditional pattern of sand mold casting is to form products by mold and sand mold combination casting. For multi
Defect characteristics and detection methods The smooth and glossy dimples and pits on the surface of castings where chill is
As a common production method of castings, casting has been developed and innovated for many years. At present, sand casting,
In order to stabilize the casting process quality, there are strict regulations on the casting process, material, process and quality
Defect characteristics and detection methods It is often found after sand cleaning or sand blasting of castings that the layered
Green sand is composed of original sand, clay, additives and water in a certain proportion. The commonly used feeding sequence
Casting can also be divided into gravity casting and pressure casting according to the pouring process of liquid metal. Gravity