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 […]
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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
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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
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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
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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
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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
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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
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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.
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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
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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
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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
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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
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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
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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,
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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
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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
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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.
Scientific
Calibration method for cutting force of gray cast iron
In the gray cast iron cutting force measurement test, the different installation position of the turning tool and the sticking
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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
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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
Scientific
Method for measuring cutting force of gray cast iron
In the process of gray cast iron cutting, the cutting force of gray cast iron directly determines the wear, damage,
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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
Scientific
Production results of large nodular cast iron roll samples
Figure 1 is the physical drawing of large ductile iron castings. 1. Inspection of attached cast test block Figure 2