Determination of hot spot position and feeding channel of steel castings
Generally speaking, the riser should be set at the hot joint of steel castings, that is, the final solidification area. […]
News
News
News
Technology of large nodular cast iron roll
The important roll part of an equipment, which was originally a welded part, is now changed into a ductile iron
News
Application of modeless NC machining technology in the production of large steel castings
1. Pouring process selection According to the structural and functional characteristics of components, two feasible pouring schemes are determined before
News
Sand casting process scheme of mud pump body
According to the structural characteristics of sand casting mud pump body and the physicochemical properties of ZG35, two sets of
News
Application of modeless NC machining technology to large steel castings
Combined with a specific case of large-scale steel casting processing and manufacturing, the application of modeless NC processing technology in
News
Numerical simulation and technology of sand casting for dredge pump body
Taking the sand mold casting of the mud pump body as the research object, according to the size and structural
News
Principle and characteristics of NC machining of Moldless mold for large steel castings
Rapid Moldless mold processing and production driven by digitization is not only a common technology in modern industrial production, but
News
Rough machining of sand casting mold formwork
First perform rough machining of sand casting mold template, create a tool with diameter d = 40mm and fillet radius
News
Development status of NC machining technology for large steel castings
In recent years, NC technology has developed rapidly. Developed countries have fully popularized NC machining and manufacturing technology in industrial
News
Treatment technology of delaying spheroidization decay in lost foam casting
The low spheroidizing grade of lost foam casting nodular cast iron is mainly caused by high spheroidizing temperature (due to
News
Spheroidizing process of lost foam ductile iron casting
As a high-performance material, nodular cast iron has been widely used in many industries. After years of development, the output
News
Influence of casting process on local quality of castings
The pouring process of liquid metal involves the phase transformation process of metal. Even on the premise of meeting the
News
Method for improving machinability of gray cast iron
The tensile strength of gray iron castings has been increased from 200 MPa to 250 MPa or even 300 MPa.
News
Improved design of riser feeding system and chill system in sand casting
When liquid metal is poured into the mold, it will produce volume shrinkage during cooling and solidification. This shrinkage may
News
Study on sand mold casting technology of tractor split axle housing
The casting system of sand casting axle housing is simulated and analyzed by using ProCAST simulation software. The solidification sequence
News
Main quality problems of tractor axle housing by sand casting
As a key part of tractor, the main contents of sand casting axle housing are as follows: firstly, the structural
News
There are some factors that can affect the machinability of gray cast iron in actual production
1.Purification degree of molten iron Some high melting point and high hardness particles remain in the molten iron and become
News
Problems in the original sand mold casting process of axle housing
As the original sand mold casting process adopts the bottom pouring process, as shown in Figure 1, through comparative analysis,
News
Determination of main sand casting parting surface of axle housing
For sand casting, in order to realize sand molding, mold taking, setting pouring riser and installing sand core, the sand
News
Development prospect of sand casting simulation technology
Since the 21st century, solidification numerical simulation technology has been developing continuously, and is now in the stage of optimization
News
Design requirements and structural analysis of sand casting axle housing
The structural types of axle housing can be roughly divided into three types: disconnected type, integral type and combined type.
News
Effect of inoculation treatment on Machinability of gray cast iron
Another important link in obtaining high-performance gray cast iron is inoculation treatment. Before the solidification of molten iron, a certain
News
Present situation of sand casting technology in China and abroad
In foreign countries, the analysis unit of “heat and mass flow analyzer” of Columbia University was first used in sand
News
Effect of composition on Machinability of gray cast iron
Because the flake graphite in gray cast iron has good chip breaking and tool lubrication, the machinability of gray cast
News
Sand casting of aluminum alloy box
Sand mold aluminum alloy has been widely used in modern aviation, aircraft manufacturing, automobile, tractor, instrument, electric power and other
News
Factors affecting the machinability of gray cast iron
Iron carbon alloys with carbon content greater than 2.14% or eutectic structure in the structure are called cast iron. It
News
Research status of engine block materials
The castings of engine cylinder block, cylinder head and cylinder liner not only have complex structure, various processes, great casting
News
Welding repair process of nodular cast iron end cover casting
The structure of nodular cast iron end cover casting for train engine is shown in the figure. The material brand
News
Improvement and verification of casting process of vermicular graphite cast iron brake disc
(1) Increase the use of return material In order to reduce cost and increase efficiency, the consumption of return material
News
Lost foam casting process of cylinder block
As the core component of the engine, the cylinder block has complex structure, high precision requirements and difficult forming. lost