Chemical composition of vermicular graphite cast iron
Vermicular graphite cast iron is a kind of gray cast iron with transition form between flake and spherical graphite. It […]
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graphite cast iron
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Development history of vermicular graphite cast iron
In 1947, H. morrogh, an Englishman, discovered vermicular graphite in the process of studying the treatment of nodular cast iron
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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
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Mass production of vermicular graphite cast iron brake disc
Brake disc has been widely used in the braking system of rail vehicles. Vermicular graphite cast iron is a new
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Melting and casting production control of vermicular graphite cast iron brake disc
1. Melting process of alloy vermicular graphite cast iron for brake disc (1) Raw materials and chemical composition Pig iron,
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Surface microhardness of PCBN cutter in milling vermicular graphite cast iron
The microhardness of the machined surface was measured by MH- 6 microhardness tester. During the test, the pressure load was
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Surface coarse chain degree of PCBN Cutter in Milling vermicular Graphite cast Iron
The surface roughness is measured by using the TR200 handheld roughness meter of Beijing Times Instruments, and the roughness is
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Surface Morphology of PCBN Cutter in Milling vermicular Graphite cast Iron
At the end of the experiment, the machined surface of the workpiece was observed by Keynes laser microscope (VK-X200K). In
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Tool Wear Mechanism of PCBN Cutter in Milling vermicular Graphite cast Iron
The blade used in the experiment is monolithic PCBN and the binder is A1. Figure 1 shows the energy spectrum
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Tool Life of PCBN Cutter in Milling vermicular Graphite cast Iron
In the process of cutting, the heat in the cutting area gradually accumulates at the arc of the tool tip,
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Milling degree of flat Graphite cast Iron with PCBN Cutter
PCBN cutters can be used for rough machining to improve machining efficiency, or finish machining to improve surface quality. This
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Milling Force of flat Graphite cast Iron with PCBN Cutter
The source of cutting force is the resistance of the tool to overcome elastic deformation, plastic deformation and friction. The
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Orthogonal Milling Experimental Verification of Constitutive equation of flat Graphite cast Iron
The experiment was carried out in the DAEWOOACE-V500 vertical machining center. The schematic diagram of orthogonal milling is shown in
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Experimental Verification of orthogonal turning of Constitutive equation of flat Graphite cast Iron
In orthogonal turning, only one straight cutting edge is involved in the cutting, and the cutting edge is perpendicular to
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Experimental principle of split Hopkinson pressure bar for vermicular graphite cast iron
Figure 1 shows the small Hopkinson pressure bar equipment used in this experiment. Figure 2 is a schematic diagram of
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Research on machining of vermicular graphite cast iron
Vermicular graphite cast iron, as a material that can replace gray cast iron, will be widely used in the future.
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Problems in the research of vermicular graphite cast iron
At present, there are few studies on the cutting simulation of vermicular cast iron. According to the different three phases,
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Research status of vermicular graphite cast iron machining abroad
In the research and application of vermicular cast iron, Europe is in the leading position in the world. In the
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Research status of machining of mite graphite cast iron in China
In the 1960s, China began to study vermicular cast iron, but the production and processing of vermicular cast iron is
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Cutting properties of vermicular graphite cast iron
As shown in the figure, the phase diagram of gjv450 vermicular graphite cast iron seen under the laser microscope after
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Study on tool Wear of PCBN Cutter in Milling vermicular Graphite cast Iron
Many studies have shown that the tool life of cutting vermicular graphite cast iron is 1/10 of that of cutting
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Experimental scheme of split Hopkinson pressure bar for vermicular graphite cast iron.
Hopkinson pressure bar equipment can flexibly replace sleeves of different diameters, corresponding to incident rods and transmission rods of corresponding
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Establishment of constitutive equation of coiled graphite cast iron GJY450
The relationship between stress, strain, strain rate and temperature of materials is its inherent property. There are many studies on
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Development and research of vermicular graphite cast iron
In the 1950s, kdmills and other scholars discovered vermicular graphite cast iron, but it did not attract attention at that
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Effective application of vermicular graphite cast iron in internal combustion engine
Internal combustion engine occupies a very important social position in power machinery. The internal combustion engine has high thermal efficiency,
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Analysis of graphite growth principle in Vermicular Graphite Cast Iron Technology
In order to have an effective understanding of vermicular graphite cast iron technology, we must have a comprehensive understanding of
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Material control and test method of large vermicular graphite iron castings
In order to control the content of some trace elements (Ti, Pb, etc.) in Vermicular Graphite Cast Iron and ensure
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Technological test of large vermicular graphite iron castings
The results show that the cooling rate of heavy section vermicular graphite cast iron is slow and the undercooling degree
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Study on properties of vermicular graphite cast iron and its application in internal combustion engine
As for the development of vermicular graphite cast iron technology, in 1948, the Americans applied it. However, due to the
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Process improvement of large vermicular graphite iron castings
1. improvement of vermicular treatment equipment When the company produces vermicular graphite cast iron engine cylinder block and cylinder head,