Shrinkage porosity and shrinkage cavity in steel castings
During solidification, the steel casting will produce liquid shrinkage and solidification shrinkage. When the feeding system cannot provide sufficient liquid […]
Scientific
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
Scientific
Casting technology and parting design of tractor
The structure of tractor castings is complex. For example, the transmission case shell part of chassis is a thin-walled shell
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
Scientific
Finish machining and NC program generation of sand casting mold template
Finally, it enters the finishing stage of sand casting mold template, in which the part cutting allowance is set to
Scientific
Microstructure comparison of gray cast iron with the same strength
Figure 1 and Figure 2 respectively show the graphite morphology and matrix structure of two kinds of gray cast iron
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
Scientific
Comparison of machinability of gray cast iron with the same strength
As shown in the table, the mechanical properties of gray cast iron poured in two different heats are shown. It
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
Scientific
Effect of inoculation treatment with different inoculants on Machinability of gray cast iron
When the rotating speed and feed rate are constant, the cutting length of the cutting edge for cutting each sample
Scientific
Solid modeling of tooling for sand casting coupling parts
The solid models of sand mold casting, sand core, sprue and riser are made in the form of part modeling.
Scientific
Riser design of coupling parts of sand casting
Riser refers to the structure artificially set in the pouring and riser system to store metal liquid. In the pouring
Scientific
Effect of microstructure on mechanical properties of cutting gray cast iron
1.Graphite morphology Figure 4 shows the graphite morphology of two groups of gray cast iron samples. It can be seen
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
Scientific
Three dimensional modeling of sand casting mold template
Sand casting molds mostly belong to the blank mold of casting products, and the template is a part and the
Scientific
Finite element analysis of sand casting coupling parts
1. Structure description of sand casting coupling parts Based on the above reasons, this topic adds the working condition mechanical
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
Scientific
Effect of different alloying on Machinability of gray cast iron
When the rotating speed and feed rate are constant, the cutting length of each sample cut by gray cast iron
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
Scientific
Influence of blade reassembly and replacement on cutting gray cast iron
The influence of reassembly of the same blade at different cutting depths on the cutting force is shown in 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
Scientific
Influence of blade reassembly and replacement on cutting gray cast iron
One of the important physical parameters in the process of cutting gray cast iron is cutting force. In the process
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
Scientific
Analysis and comparison of shrinkage cavity, porosity and solidification defects in sand casting
Shrinkage cavity in sand casting is a common casting defect, which is basically a volume loss defect. According to the